Rezumat problemă

MSuma

#1395

Se dau două matrice cu elemente numere întregi. Calculați suma lor.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Probleme diverse Matematica

Rezolvă

Detalii

Problema	MSuma	Operații I/O	msuma.in/msuma.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64493519	Utilizator	PAVAL ROBERT-CONSTANTIN (pavalrobertconstantin)
Fișier	msuma.cpp	Dimensiune	653 B
Data încărcării	11 Mai 2026, 09:42	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

msuma.cpp:3:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type
    3 | ifstream cin("msuma.in");
      |             ^
msuma.cpp:4:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type
    4 | ofstream cout("msuma.out");
      |              ^
msuma.cpp: In function ‘int main()’:
msuma.cpp:8:5: error: reference to ‘cin’ is ambiguous
    8 |     cin>>n1>>m1>>n2>>m2;
      |     ^~~
In file included from msuma.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
msuma.cpp:3:10: note:                 ‘<typeprefixerror>cin’
    3 | ifstream cin("msuma.in");
      |          ^~~
msuma.cpp:11:9: error: reference to ‘cin’ is ambiguous
   11 |         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
      |                  ^~~
msuma.cpp:3:10: note:                 ‘<typeprefixerror>cin’
    3 | ifstream cin("msuma.in");
      |          ^~~
msuma.cpp:9:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
    9 |     for(int i=1; i<=n1;++i)
      |     ^~~
msuma.cpp:12:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   12 |         cin>>n2>>m2;
      |         ^~~
msuma.cpp:12:9: error: reference to ‘cin’ is ambiguous
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
msuma.cpp:3:10: note:                 ‘<typeprefixerror>cin’
    3 | ifstream cin("msuma.in");
      |          ^~~
msuma.cpp:15:13: error: reference to ‘cin’ is ambiguous
   15 |             cin>>B[i][j];
      |             ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
msuma.cpp:3:10: note:                 ‘<typeprefixerror>cin’
    3 | ifstream cin("msuma.in");
      |          ^~~
msuma.cpp:13:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   13 |     for(int i=1;i<=n1;++i)
      |     ^~~
msuma.cpp:16:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   16 |         if(n1=n1 || m1==m2){
      |         ^~
msuma.cpp:16:14: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   16 |         if(n1=n1 || m1==m2){
      |            ~~^~~~~~~~~~~~~
msuma.cpp:17:25: error: reference to ‘cout’ is ambiguous
   17 |                         cout<<n1<<' '<<m1<<'\n';
      |                         ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
msuma.cpp:4:10: note:                 ‘<typeprefixerror>cout’
    4 | ofstream cout("msuma.out");
      |          ^~~~
msuma.cpp:21:9: error: reference to ‘cout’ is ambiguous
   21 |         cout<<S[i][j]<<' ';
      |         ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
msuma.cpp:4:10: note:                 ‘<typeprefixerror>cout’
    4 | ofstream cout("msuma.out");
      |          ^~~~
msuma.cpp:21:20: error: ‘j’ was not declared in this scope
   21 |         cout<<S[i][j]<<' ';
      |                    ^
msuma.cpp:23:9: error: reference to ‘cout’ is ambiguous
   23 |         cout<<'\n';
      |         ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
msuma.cpp:4:10: note:                 ‘<typeprefixerror>cout’
    4 | ofstream cout("msuma.out");
      |          ^~~~
msuma.cpp: At global scope:
msuma.cpp:26:5: error: expected unqualified-id before ‘return’
   26 |     return 0;
      |     ^~~~~~
msuma.cpp:27:1: error: expected declaration before ‘}’ token
   27 | }
      | ^

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