Rezumat problemă

Detalii

Problema	trapez	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#51267063	Utilizator	Mir Sebastian (sebastian321)
Fișier	trapez.cpp	Dimensiune	248 B
Data încărcării	03 Iunie 2024, 11:02	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

trapez.cpp: In function 'int main()':
trapez.cpp:7:17: error: expected unqualified-id before numeric constant
     float B, b, 1;

                 ^
trapez.cpp:8:19: error: ambiguous overload for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}' and 'int')
     cin >> B >> b >> 1;

                   ^
trapez.cpp:8:19: note: candidates are:
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from trapez.cpp:1:
/usr/include/c++/4.8/istream:120:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(__istream_type& (*__pf)(__istream_type&))
       ^
/usr/include/c++/4.8/istream:120:7: note:   no known conversion for argument 1 from 'int' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&) {aka std::basic_istream<char>& (*)(std::basic_istream<char>&)}'
/usr/include/c++/4.8/istream:124:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>] <near match>
       operator>>(__ios_type& (*__pf)(__ios_type&))
       ^
/usr/include/c++/4.8/istream:124:7: note:   no known conversion for argument 1 from 'int' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}'
/usr/include/c++/4.8/istream:131:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(ios_base& (*__pf)(ios_base&))
       ^
/usr/include/c++/4.8/istream:131:7: note:   no known conversion for argument 1 from 'int' to 'std::ios_base& (*)(std::ios_base&)'
/usr/include/c++/4.8/istream:259:7: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>] <near match>
       operator>>(__streambuf_type* __sb);
       ^
/usr/include/c++/4.8/istream:259:7: note:   no known conversion for argument 1 from 'int' to 'std::basic_istream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}'
trapez.cpp:10:12: error: 'l' was not declared in this scope
     h=sqrt(l*l-(B-b)*(B-b)/4);

            ^

Cum funcționează evaluarea?