Rezumat problemă

InterschimbareLinii

#193

Să se interschimbe într-o matrice, linia care conținea valoarea maximă cu cea care conține valoarea minimă.

Fișiere Candale Silviu (silviu) ușoară

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor oarecare

Rezolvă

Detalii

Problema	InterschimbareLinii	Operații I/O	interschimbarelinii.in/interschimbarelinii.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64880230	Utilizator	Farcas Melisa (melifarcas)
Fișier	interschimbarelinii.cpp	Dimensiune	922 B
Data încărcării	09 Iunie 2026, 11:09	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

interschimbarelinii.cpp:5:14: error: variable ‘std::ifstream cin’ has initializer but incomplete type
    5 | ifstream cin ("interschimbarelinii.in");
      |              ^
interschimbarelinii.cpp:6:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type
    6 | ofstream cout("interschimbarelinii.out");
      |              ^
interschimbarelinii.cpp: In function ‘int main()’:
interschimbarelinii.cpp:11:4: error: reference to ‘cin’ is ambiguous
   11 |    cin >> n >> m;
      |    ^~~
In file included from interschimbarelinii.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
interschimbarelinii.cpp:5:10: note:                 ‘<typeprefixerror>cin’
    5 | ifstream cin ("interschimbarelinii.in");
      |          ^~~
interschimbarelinii.cpp:16:6: error: reference to ‘cin’ is ambiguous
   16 |      cin >> A[i][j];
      |      ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
interschimbarelinii.cpp:5:10: note:                 ‘<typeprefixerror>cin’
    5 | ifstream cin ("interschimbarelinii.in");
      |          ^~~
interschimbarelinii.cpp:24:4: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   24 |    for(int i = 1; i <= n; i++)
      |    ^~~
interschimbarelinii.cpp:36:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   36 |     for (int i = 1; i <= m; i++){
      |     ^~~
interschimbarelinii.cpp:41:6: error: reference to ‘cout’ is ambiguous
   41 |      cout << A[i][j] << " ";
      |      ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
interschimbarelinii.cpp:6:10: note:                 ‘<typeprefixerror>cout’
    6 | ofstream cout("interschimbarelinii.out");
      |          ^~~~
interschimbarelinii.cpp:43:6: error: reference to ‘cout’ is ambiguous
   43 |      cout << endl;
      |      ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
interschimbarelinii.cpp:6:10: note:                 ‘<typeprefixerror>cout’
    6 | ofstream cout("interschimbarelinii.out");
      |          ^~~~
interschimbarelinii.cpp:45:4: error: reference to ‘cin’ is ambiguous
   45 |    cin.close();
      |    ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
interschimbarelinii.cpp:5:10: note:                 ‘<typeprefixerror>cin’
    5 | ifstream cin ("interschimbarelinii.in");
      |          ^~~
interschimbarelinii.cpp:46:4: error: reference to ‘cout’ is ambiguous
   46 |    cout.close();
      |    ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
interschimbarelinii.cpp:6:10: note:                 ‘<typeprefixerror>cout’
    6 | ofstream cout("interschimbarelinii.out");
      |          ^~~~

Cum funcționează evaluarea?