#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 | #50828600 | Utilizator | |
Fișier | roy-floyd.cpp | Dimensiune | 920 B |
Data încărcării | 08 Mai 2024, 21:26 | Scor / rezultat | Eroare de compilare |
roy-floyd.cpp:5:13: error: variable 'std::ifstream cin' has initializer but incomplete type ifstream cin("roy-floyd.in"); ^ roy-floyd.cpp:6:14: error: variable 'std::ofstream cout' has initializer but incomplete type ofstream cout("roy-floyd.out"); ^ roy-floyd.cpp: In function 'int main()': roy-floyd.cpp:22:5: error: reference to 'cin' is ambiguous cin >> n >> m; ^ roy-floyd.cpp:5:10: note: candidates are: <typeprefixerror>cin ifstream cin("roy-floyd.in"); ^ In file included from roy-floyd.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ roy-floyd.cpp:30:9: error: reference to 'cin' is ambiguous cin >> x >> y >> w; ^ roy-floyd.cpp:5:10: note: candidates are: <typeprefixerror>cin ifstream cin("roy-floyd.in"); ^ In file included from roy-floyd.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ roy-floyd.cpp:39:31: error: reference to 'cout' is ambiguous if(c[i][j] != Inf)cout << c[i][j] << ' '; ^ roy-floyd.cpp:6:10: note: candidates are: <typeprefixerror>cout ofstream cout("roy-floyd.out"); ^ In file included from roy-floyd.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ roy-floyd.cpp:40:18: error: reference to 'cout' is ambiguous else cout << "-1 "; ^ roy-floyd.cpp:6:10: note: candidates are: <typeprefixerror>cout ofstream cout("roy-floyd.out"); ^ In file included from roy-floyd.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ roy-floyd.cpp:41:9: error: reference to 'cout' is ambiguous cout << '\n'; ^ roy-floyd.cpp:6:10: note: candidates are: <typeprefixerror>cout ofstream cout("roy-floyd.out"); ^ In file included from roy-floyd.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^
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.