Rezumat problemă

clase

#2644

Într-o școală sunt n clase, fiecare având un număr diferit de elevi. Școală primește m pachete cu cărți, fiecare cu un număr diferit de cărți. Pentru ca o clasa să primească un pachet, numărul elevilor din acea clasa trebuie să fie egal cu numărul cărților din pachet. Să se determine câte clase primesc un pachet de cărți.

Fișiere Doru Floare (Doruletz) Doru Floare medie

Clasa 9 Tablouri unidimensionale (vectori) Căutare binară Cautare binara

Rezolvă

Detalii

Problema	clase	Operații I/O	clase.in/clase.out
Limita timp	0.01 secunde	Limita memorie	Total: 1 MB / Stivă 1 MB
Id soluție	#64104107	Utilizator	Samolinschi Magda (MagdaSamolinschi)
Fișier	clase.cpp	Dimensiune	675 B
Data încărcării	17 Aprilie 2026, 09:32	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

clase.cpp:4:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type
    4 | ifstream cin("clase.in");
      |             ^
clase.cpp:5:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type
    5 | ofstream cout("clase.out");
      |              ^
clase.cpp:7:1: error: expected unqualified-id before ‘long’
    7 | long long a[10005;
      | ^~~~
clase.cpp:8:1: error: ‘lonf’ does not name a type; did you mean ‘long’?
    8 | lonf long b[10005];
      | ^~~~
      | long
clase.cpp: In function ‘int main()’:
clase.cpp:12:5: error: reference to ‘cin’ is ambiguous
   12 |     cin>>n;
      |     ^~~
In file included from clase.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
clase.cpp:4:10: note:                 ‘<typeprefixerror>cin’
    4 | ifstream cin("clase.in");
      |          ^~~
clase.cpp:14:9: error: reference to ‘cin’ is ambiguous
   14 |         cin>>a[i];
      |         ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
clase.cpp:4:10: note:                 ‘<typeprefixerror>cin’
    4 | ifstream cin("clase.in");
      |          ^~~
clase.cpp:14:14: error: ‘a’ was not declared in this scope
   14 |         cin>>a[i];
      |              ^
clase.cpp:16:5: error: reference to ‘cin’ is ambiguous
   16 |     cin>>m;
      |     ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
clase.cpp:4:10: note:                 ‘<typeprefixerror>cin’
    4 | ifstream cin("clase.in");
      |          ^~~
clase.cpp:18:9: error: reference to ‘cin’ is ambiguous
   18 |         cin>>b[i];
      |         ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
clase.cpp:4:10: note:                 ‘<typeprefixerror>cin’
    4 | ifstream cin("clase.in");
      |          ^~~
clase.cpp:18:14: error: ‘b’ was not declared in this scope
   18 |         cin>>b[i];
      |              ^
clase.cpp:24:13: error: ‘mij’ was not declared in this scope
   24 |             mij=(st+dr)/2;
      |             ^~~
clase.cpp:25:16: error: ‘b’ was not declared in this scope
   25 |             if(b[i]==a[mij])
      |                ^
clase.cpp:25:22: error: ‘a’ was not declared in this scope
   25 |             if(b[i]==a[mij])
      |                      ^
clase.cpp:27:17: error: ‘cont’ was not declared in this scope; did you mean ‘cout’?
   27 |                 cont++;
      |                 ^~~~
      |                 cout
clase.cpp:36:5: error: reference to ‘cout’ is ambiguous
   36 |     cout<<cont;
      |     ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
clase.cpp:5:10: note:                 ‘<typeprefixerror>cout’
    5 | ofstream cout("clase.out");
      |          ^~~~
clase.cpp:36:11: error: ‘cont’ was not declared in this scope; did you mean ‘cout’?
   36 |     cout<<cont;
      |           ^~~~
      |           cout

Cum funcționează evaluarea?