#437
Conex
Se dă lista muchiilor unui graf neorientat. Să se verifice dacă graful este sau nu conex.
Problema | Conex | Operații I/O |
conex.in /conex.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #51203277 | Utilizator | |
Fișier | conex.cpp | Dimensiune | 510 B |
Data încărcării | 29 Mai 2024, 19:50 | Scor / rezultat | Eroare de compilare |
conex.cpp:4:13: error: variable 'std::ifstream cin' has initializer but incomplete type ifstream cin("conex.in"); ^ conex.cpp:5:14: error: variable 'std::ofstream cout' has initializer but incomplete type ofstream cout("conex.out"); ^ conex.cpp: In function 'int main()': conex.cpp:18:5: error: reference to 'cin' is ambiguous cin >> n; ^ conex.cpp:4:10: note: candidates are: <typeprefixerror>cin ifstream cin("conex.in"); ^ In file included from conex.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ conex.cpp:19:11: error: reference to 'cin' is ambiguous while(cin >> x >> y) a[x][y] = a[y][x] = 1 , m++; ^ conex.cpp:4:10: note: candidates are: <typeprefixerror>cin ifstream cin("conex.in"); ^ In file included from conex.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ conex.cpp:25:17: error: reference to 'cout' is ambiguous if(ok != 0) cout << "NU"; ^ conex.cpp:5:10: note: candidates are: <typeprefixerror>cout ofstream cout("conex.out"); ^ In file included from conex.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ conex.cpp:26:10: error: reference to 'cout' is ambiguous else cout << "DA"; ^ conex.cpp:5:10: note: candidates are: <typeprefixerror>cout ofstream cout("conex.out"); ^ In file included from conex.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 Conex 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.