#589
Roy-Floyd
Se dă un graf orientat ponderat cu n
noduri și m
arce – în care fiecare arc are asociat un cost, număr natural strict pozitiv. Folosind algoritmul Roy-Floyd, construiți matricea costurilor minime.
Problema | Roy-Floyd | Operații I/O |
roy-floyd.in /roy-floyd.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #54174349 | Utilizator | |
Fișier | roy-floyd.cpp | Dimensiune | 1.72 KB |
Data încărcării | 21 Noiembrie 2024, 12:08 | Scor / rezultat | Eroare de compilare |
roy-floyd.cpp:38:18: error: empty character constant cout<<0<<''; ^ roy-floyd.cpp:77:48: warning: missing terminating " character [enabled by default] cout<<"iar nodurile lui sunt:"<<i<<"; ^ roy-floyd.cpp:77:13: error: missing terminating " character cout<<"iar nodurile lui sunt:"<<i<<"; ^ roy-floyd.cpp: In function 'void citire()': roy-floyd.cpp:9:5: error: 'fin' was not declared in this scope fin>>n>>m; ^ roy-floyd.cpp:14:26: error: 'inf' was not declared in this scope else a[i][j]=a[j][i]=inf; ^ roy-floyd.cpp: In function 'void afisare_matrice()': roy-floyd.cpp:39:26: error: 'inf' was not declared in this scope else if(a[i][j]==inf) cout<<-1<<' '; ^ roy-floyd.cpp: In function 'void drum(int, int)': roy-floyd.cpp:57:28: error: lvalue required as left operand of assignment for(k=1; k<=n; && gasit=0;k++) ^ roy-floyd.cpp:57:30: error: expected ')' before ';' token for(k=1; k<=n; && gasit=0;k++) ^ roy-floyd.cpp:57:34: error: expected ';' before ')' token for(k=1; k<=n; && gasit=0;k++) ^ roy-floyd.cpp:57:23: error: label 'gasit' used but not defined for(k=1; k<=n; && gasit=0;k++) ^ roy-floyd.cpp: In function 'void afisare_drumuri_minime()': roy-floyd.cpp:72:25: error: 'inf' was not declared in this scope if(a[i][j]==inf) ^ roy-floyd.cpp:77:46: error: no match for 'operator<<' (operand types are 'std::basic_ostream<char>' and 'void') cout<<"iar nodurile lui sunt:"<<i<<"; ^ roy-floyd.cpp:77:46: note: candidates are: In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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 'void' 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 'void' 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 'void' 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 'void' 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 'void' 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 'void' to 'bool' In file included from /usr/include/c++/4.8/ostream:612:0, from /usr/include/c++/4.8/iostream:39, from roy-floyd.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 'void' to 'short int' In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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 'void' to 'short unsigned int' In file included from /usr/include/c++/4.8/ostream:612:0, from /usr/include/c++/4.8/iostream:39, from roy-floyd.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 'void' to 'int' In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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 'void' 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 'void' 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 'void' 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 'void' 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 'void' 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 'void' 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 'void' to 'const void*' In file included from /usr/include/c++/4.8/ostream:612:0, from /usr/include/c++/4.8/iostream:39, from roy-floyd.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 'void' 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/ostream:38, from /usr/include/c++/4.8/iostream:39, from roy-floyd.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: roy-floyd.cpp:78:21: note: mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'void' drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.cpp:1: /usr/include/c++/4.8/ostream:471:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT) operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) ^ /usr/include/c++/4.8/ostream:471:5: note: template argument deduction/substitution failed: roy-floyd.cpp:78:21: note: deduced conflicting types for parameter '_CharT' ('char' and 'void') drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.cpp:1: /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: roy-floyd.cpp:78:21: note: cannot convert 'drum(i, j)' (type 'void') to type 'char' drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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: roy-floyd.cpp:78:21: note: cannot convert 'drum(i, j)' (type 'void') to type 'char' drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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: roy-floyd.cpp:78:21: note: cannot convert 'drum(i, j)' (type 'void') to type 'signed char' drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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: roy-floyd.cpp:78:21: note: cannot convert 'drum(i, j)' (type 'void') to type 'unsigned char' drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.cpp:1: /usr/include/c++/4.8/ostream:513:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*) operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) ^ /usr/include/c++/4.8/ostream:513:5: note: template argument deduction/substitution failed: roy-floyd.cpp:78:21: note: mismatched types 'const _CharT*' and 'void' drum(i,j); ^ In file included from /usr/include/c++/4.8/ostream:612:0, from /usr/include/c++/4.8/iostream:39, from roy-floyd.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: roy-floyd.cpp:78:21: note: cannot convert 'drum(i, j)' (type 'void') to type 'const char*' drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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: roy-floyd.cpp:78:21: note: cannot convert 'drum(i, j)' (type 'void') to type 'const char*' drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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: roy-floyd.cpp:78:21: note: cannot convert 'drum(i, j)' (type 'void') to type 'const signed char*' drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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: roy-floyd.cpp:78:21: note: cannot convert 'drum(i, j)' (type 'void') to type 'const unsigned char*' drum(i,j); ^ In file included from /usr/include/c++/4.8/iostream:39:0, from roy-floyd.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: /usr/include/c++/4.8/ostream: In substitution of 'template<class _CharT, class _Traits, class _Tp> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&&, const _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = void]': roy-floyd.cpp:78:21: required from here /usr/include/c++/4.8/ostream:602:5: error: forming reference to void
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Roy-Floyd face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.