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Detalii

Problema	eval_exp2	Operații I/O	tastatură/ecran
Limita timp	0.01 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#54410140	Utilizator	Bogdanescu Tudor (Bogdanescutudor)
Fișier	eval_exp2.cpp	Dimensiune	792 B
Data încărcării	27 Noiembrie 2024, 19:57	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

eval_exp2.cpp: In function 'long long int exp()':
eval_exp2.cpp:12:17: warning: comparison with string literal results in unspecified behaviour [-Waddress]
     while(s[p]=="+" || s[p]=="-")

                 ^
eval_exp2.cpp:12:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
eval_exp2.cpp:12:30: warning: comparison with string literal results in unspecified behaviour [-Waddress]
     while(s[p]=="+" || s[p]=="-")

                              ^
eval_exp2.cpp:12:30: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
eval_exp2.cpp: In function 'long long int fact()':
eval_exp2.cpp:35:31: error: expected ';' before '}' token
     if(s[p]=='-'){semn=-1; p++}

                               ^
eval_exp2.cpp: In function 'int main()':
eval_exp2.cpp:52:10: error: no match for 'operator<<' (operand types are 'std::ostream {aka std::basic_ostream<char>}' and '<unresolved overloaded function type>')
     cout << exp;

          ^
eval_exp2.cpp:52:10: note: candidates are:
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:108:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ostream_type& (*)(std::basic_ostream<_CharT, _Traits>::__ostream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(__ostream_type& (*__pf)(__ostream_type&))
       ^
/usr/include/c++/4.8/ostream:108:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_ostream<char>::__ostream_type& (*)(std::basic_ostream<char>::__ostream_type&) {aka std::basic_ostream<char>& (*)(std::basic_ostream<char>&)}'
/usr/include/c++/4.8/ostream:117:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ios_type& (*)(std::basic_ostream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>; std::basic_ostream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]
       operator<<(__ios_type& (*__pf)(__ios_type&))
       ^
/usr/include/c++/4.8/ostream:117:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_ostream<char>::__ios_type& (*)(std::basic_ostream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}'
/usr/include/c++/4.8/ostream:127:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(ios_base& (*__pf) (ios_base&))
       ^
/usr/include/c++/4.8/ostream:127:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::ios_base& (*)(std::ios_base&)'
/usr/include/c++/4.8/ostream:166:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(long __n)
       ^
/usr/include/c++/4.8/ostream:166:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long int'
/usr/include/c++/4.8/ostream:170:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(unsigned long __n)
       ^
/usr/include/c++/4.8/ostream:170:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long unsigned int'
/usr/include/c++/4.8/ostream:174:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(bool __n)
       ^
/usr/include/c++/4.8/ostream:174:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'bool'
In file included from /usr/include/c++/4.8/ostream:612:0,
                 from /usr/include/c++/4.8/istream:39,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/ostream.tcc:91:5: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char; _Traits = std::char_traits<char>]
     basic_ostream<_CharT, _Traits>::
     ^
/usr/include/c++/4.8/bits/ostream.tcc:91:5: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short int'
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:181:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(unsigned short __n)
       ^
/usr/include/c++/4.8/ostream:181:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short unsigned int'
In file included from /usr/include/c++/4.8/ostream:612:0,
                 from /usr/include/c++/4.8/istream:39,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/ostream.tcc:105:5: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char; _Traits = std::char_traits<char>]
     basic_ostream<_CharT, _Traits>::
     ^
/usr/include/c++/4.8/bits/ostream.tcc:105:5: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'int'
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:192:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(unsigned int __n)
       ^
/usr/include/c++/4.8/ostream:192:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'unsigned int'
/usr/include/c++/4.8/ostream:201:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(long long __n)
       ^
/usr/include/c++/4.8/ostream:201:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long int'
/usr/include/c++/4.8/ostream:205:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(unsigned long long __n)
       ^
/usr/include/c++/4.8/ostream:205:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long unsigned int'
/usr/include/c++/4.8/ostream:220:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(double __f)
       ^
/usr/include/c++/4.8/ostream:220:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'double'
/usr/include/c++/4.8/ostream:224:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(float __f)
       ^
/usr/include/c++/4.8/ostream:224:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'float'
/usr/include/c++/4.8/ostream:232:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(long double __f)
       ^
/usr/include/c++/4.8/ostream:232:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long double'
/usr/include/c++/4.8/ostream:245:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]
       operator<<(const void* __p)
       ^
/usr/include/c++/4.8/ostream:245:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'const void*'
In file included from /usr/include/c++/4.8/ostream:612:0,
                 from /usr/include/c++/4.8/istream:39,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/ostream.tcc:119:5: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]
     basic_ostream<_CharT, _Traits>::
     ^
/usr/include/c++/4.8/bits/ostream.tcc:119:5: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_ostream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}'
In file included from /usr/include/c++/4.8/string:52:0,
                 from /usr/include/c++/4.8/bits/locale_classes.h:40,
                 from /usr/include/c++/4.8/bits/ios_base.h:41,
                 from /usr/include/c++/4.8/ios:42,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/basic_string.h:2753:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::basic_string<_CharT, _Traits, _Alloc>&)
     operator<<(basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/basic_string.h:2753:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_Alloc'
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:471:5: note: std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT) [with _CharT = char; _Traits = std::char_traits<char>]
     operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
     ^
/usr/include/c++/4.8/ostream:471:5: note:   no known conversion for argument 2 from '<unresolved overloaded function type>' to 'char'
/usr/include/c++/4.8/ostream:476:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char)
     operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
     ^
/usr/include/c++/4.8/ostream:476:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'char'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:482:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char)
     operator<<(basic_ostream<char, _Traits>& __out, char __c)
     ^
/usr/include/c++/4.8/ostream:482:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'char'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:488:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char)
     operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
     ^
/usr/include/c++/4.8/ostream:488:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'signed char'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:493:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, unsigned char)
     operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
     ^
/usr/include/c++/4.8/ostream:493:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'unsigned char'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:513:5: note: std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>]
     operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
     ^
/usr/include/c++/4.8/ostream:513:5: note:   no known conversion for argument 2 from '<unresolved overloaded function type>' to 'const char*'
In file included from /usr/include/c++/4.8/ostream:612:0,
                 from /usr/include/c++/4.8/istream:39,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/ostream.tcc:321:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const char*)
     operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
     ^
/usr/include/c++/4.8/bits/ostream.tcc:321:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'const char*'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:530:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*)
     operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
     ^
/usr/include/c++/4.8/ostream:530:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'const char*'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:543:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const signed char*)
     operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
     ^
/usr/include/c++/4.8/ostream:543:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'const signed char*'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:548:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const unsigned char*)
     operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
     ^
/usr/include/c++/4.8/ostream:548:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'const unsigned char*'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/ostream:602:5: note: template<class _CharT, class _Traits, class _Tp> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&&, const _Tp&)
     operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x)
     ^
/usr/include/c++/4.8/ostream:602:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_Tp'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/complex:524:5: note: template<class _Tp, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::complex<_Tp>&)
     operator<<(basic_ostream<_CharT, _Traits>& __os, const complex<_Tp>& __x)
     ^
/usr/include/c++/4.8/complex:524:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::complex<_Tp>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::complex<_Tp>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::complex<_Tp>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::complex<_Tp>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_Tp'
In file included from /usr/include/c++/4.8/random:50:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.h:1277:5: note: template<class _RandomNumberEngine, unsigned int __w, class _UIntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::independent_bits_engine<_RandomNumberEngine, __w, _UIntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.h:1277:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::independent_bits_engine<_RandomNumberEngine, __w, _UIntType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::independent_bits_engine<_RandomNumberEngine, __w, _UIntType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::independent_bits_engine<_RandomNumberEngine, __w, _UIntType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::independent_bits_engine<_RandomNumberEngine, __w, _UIntType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RandomNumberEngine'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:477:5: note: template<class _UIntType1, unsigned int __w1, unsigned int __n1, unsigned int __m1, unsigned int __r1, _UIntType1 __a1, unsigned int __u1, _UIntType1 __d1, unsigned int __s1, _UIntType1 __b1, unsigned int __t1, _UIntType1 __c1, unsigned int __l1, _UIntType1 __f1, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:477:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_UIntType1'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:1029:5: note: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::uniform_int_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:1029:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::uniform_int_distribution<_IntType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::uniform_int_distribution<_IntType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::uniform_int_distribution<_IntType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::uniform_int_distribution<_IntType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_IntType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:1088:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::uniform_real_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:1088:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::uniform_real_distribution<_IntType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::uniform_real_distribution<_IntType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::uniform_real_distribution<_IntType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::uniform_real_distribution<_IntType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2275:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::cauchy_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2275:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::cauchy_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::cauchy_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::cauchy_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::cauchy_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:1150:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::bernoulli_distribution&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:1150:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'const std::bernoulli_distribution&'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2050:5: note: template<class _RealType1, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::normal_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2050:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::normal_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::normal_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::normal_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::normal_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType1'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:1232:5: note: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::geometric_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:1232:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::geometric_distribution<_IntType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::geometric_distribution<_IntType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::geometric_distribution<_IntType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::geometric_distribution<_IntType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_IntType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2596:5: note: template<class _RealType1, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::gamma_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2596:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::gamma_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::gamma_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::gamma_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::gamma_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType1'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:1883:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::exponential_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:1883:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::exponential_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::exponential_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::exponential_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::exponential_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2674:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::weibull_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2674:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::weibull_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::weibull_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::weibull_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::weibull_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2750:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::extreme_value_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2750:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::extreme_value_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::extreme_value_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::extreme_value_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::extreme_value_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:156:5: note: template<class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::linear_congruential_engine<_UIntType, __a, __c, __m>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:156:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::linear_congruential_engine<_UIntType, __a, __c, __m>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::linear_congruential_engine<_UIntType, __a, __c, __m>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::linear_congruential_engine<_UIntType, __a, __c, __m>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::linear_congruential_engine<_UIntType, __a, __c, __m>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_UIntType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:632:5: note: template<class _UIntType, unsigned int __w, unsigned int __s, unsigned int __r, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::subtract_with_carry_engine<_UIntType, __w, __s, __r>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:632:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::subtract_with_carry_engine<_UIntType, __w, __s, __r>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::subtract_with_carry_engine<_UIntType, __w, __s, __r>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::subtract_with_carry_engine<_UIntType, __w, __s, __r>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::subtract_with_carry_engine<_UIntType, __w, __s, __r>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_UIntType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:702:5: note: template<class _RandomNumberEngine, unsigned int __p, unsigned int __r, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::discard_block_engine<_RandomNumberEngine, __p, __r>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:702:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::discard_block_engine<_RandomNumberEngine, __p, __r>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::discard_block_engine<_RandomNumberEngine, __p, __r>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::discard_block_engine<_RandomNumberEngine, __p, __r>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::discard_block_engine<_RandomNumberEngine, __p, __r>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RandomNumberEngine'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:831:5: note: template<class _RandomNumberEngine, unsigned int __k, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::shuffle_order_engine<_RandomNumberEngine, __k>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:831:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::shuffle_order_engine<_RandomNumberEngine, __k>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::shuffle_order_engine<_RandomNumberEngine, __k>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::shuffle_order_engine<_RandomNumberEngine, __k>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::shuffle_order_engine<_RandomNumberEngine, __k>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RandomNumberEngine'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:1347:5: note: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::negative_binomial_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:1347:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::negative_binomial_distribution<_IntType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::negative_binomial_distribution<_IntType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::negative_binomial_distribution<_IntType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::negative_binomial_distribution<_IntType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_IntType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:1552:5: note: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::poisson_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:1552:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::poisson_distribution<_IntType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::poisson_distribution<_IntType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::poisson_distribution<_IntType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::poisson_distribution<_IntType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_IntType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:1819:5: note: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::binomial_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:1819:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::binomial_distribution<_IntType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::binomial_distribution<_IntType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::binomial_distribution<_IntType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::binomial_distribution<_IntType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_IntType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2115:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::lognormal_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2115:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::lognormal_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::lognormal_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::lognormal_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::lognormal_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2188:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::chi_squared_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2188:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::chi_squared_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::chi_squared_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::chi_squared_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::chi_squared_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2352:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::fisher_f_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2352:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::fisher_f_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::fisher_f_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::fisher_f_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::fisher_f_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2427:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::student_t_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2427:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::student_t_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::student_t_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::student_t_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::student_t_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:2886:5: note: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::discrete_distribution<_IntType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:2886:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::discrete_distribution<_IntType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::discrete_distribution<_IntType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::discrete_distribution<_IntType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::discrete_distribution<_IntType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_IntType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:3096:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::piecewise_constant_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:3096:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::piecewise_constant_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::piecewise_constant_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::piecewise_constant_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::piecewise_constant_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/c++/4.8/random:52:0,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/random.tcc:3312:5: note: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::piecewise_linear_distribution<_RealType>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bits/random.tcc:3312:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::piecewise_linear_distribution<_RealType>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::piecewise_linear_distribution<_RealType>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::piecewise_linear_distribution<_RealType>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::piecewise_linear_distribution<_RealType>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_RealType'
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:65:0,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bitset:1521:5: note: template<class _CharT, class _Traits, unsigned int _Nb> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::bitset<_Nb>&)
     operator<<(std::basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/4.8/bitset:1521:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::bitset<_Nb>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::bitset<_Nb>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::bitset<_Nb>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::bitset<_Nb>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_Nb'
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:71:0,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/iomanip:76:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Resetiosflags)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f)
     ^
/usr/include/c++/4.8/iomanip:76:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'std::_Resetiosflags'
     cout << exp;

             ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:71:0,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/iomanip:106:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setiosflags)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f)
     ^
/usr/include/c++/4.8/iomanip:106:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'std::_Setiosflags'
     cout << exp;

             ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:71:0,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/iomanip:140:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setbase)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setbase __f)
     ^
/usr/include/c++/4.8/iomanip:140:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'std::_Setbase'
     cout << exp;

             ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:71:0,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/iomanip:175:5: note: std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setfill<_CharT>) [with _CharT = char; _Traits = std::char_traits<char>]
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setfill<_CharT> __f)
     ^
/usr/include/c++/4.8/iomanip:175:5: note:   no known conversion for argument 2 from '<unresolved overloaded function type>' to 'std::_Setfill<char>'
/usr/include/c++/4.8/iomanip:205:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setprecision)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setprecision __f)
     ^
/usr/include/c++/4.8/iomanip:205:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'std::_Setprecision'
     cout << exp;

             ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:71:0,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/iomanip:235:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setw)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setw __f)
     ^
/usr/include/c++/4.8/iomanip:235:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   cannot convert 'std::exp' (type '<unresolved overloaded function type>') to type 'std::_Setw'
     cout << exp;

             ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:71:0,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/iomanip:308:5: note: template<class _CharT, class _Traits, class _MoneyT> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Put_money<_MoneyT>)
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_money<_MoneyT> __f)
     ^
/usr/include/c++/4.8/iomanip:308:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'std::_Put_money<_MoneyT>' and 'float (*)(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'std::_Put_money<_MoneyT>' and 'long double (*)(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'std::_Put_money<_MoneyT>' and 'long long int (*)()'
eval_exp2.cpp:52:13: note:   mismatched types 'std::_Put_money<_MoneyT>' and 'double (*)(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_MoneyT'
In file included from /usr/include/c++/4.8/memory:82:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:81,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/shared_ptr.h:66:5: note: template<class _Ch, class _Tr, class _Tp, __gnu_cxx::_Lock_policy _Lp> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__shared_ptr<_Tp, _Lp>&)
     operator<<(std::basic_ostream<_Ch, _Tr>& __os,
     ^
/usr/include/c++/4.8/bits/shared_ptr.h:66:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   mismatched types 'const std::__shared_ptr<_Tp, _Lp>' and 'float(float)'
     cout << exp;

             ^
eval_exp2.cpp:52:13: note:   mismatched types 'const std::__shared_ptr<_Tp, _Lp>' and 'long double(long double)'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::__shared_ptr<_Tp, _Lp>' and 'long long int()'
eval_exp2.cpp:52:13: note:   mismatched types 'const std::__shared_ptr<_Tp, _Lp>' and 'double(double)throw ()'
eval_exp2.cpp:52:13: note:   couldn't deduce template parameter '_Tp'
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:410:5: note: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__shift_left, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__shift_left, typename _Dom1::value_type>::result_type> std::operator<<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:410:5: note:   template argument deduction/substitution failed:
eval_exp2.cpp:52:13: note:   'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
     cout << exp;

             ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from eval_exp2.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:410:5: note: template<class _Dom>

Cum funcționează evaluarea?