Rezumat problemă

ProdusXXL

#2410

Numim număr mare un număr care conține prea multe cifre pentru a fi memorat în tipurile existente.
Se dau două numere mari. Calculați produsul lor.

Fișiere Capangi Mihaela (mcapangi) Mihaela Capangi medie

Clasa 9 Tablouri unidimensionale (vectori) Parcurgerea vectorilor Numere mari

Rezolvă

Detalii

Problema	ProdusXXL	Operații I/O	produsxxl.in/produsxxl.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63874794	Utilizator	Costa Maria (costamaria02)
Fișier	produsxxl.cpp	Dimensiune	941 B
Data încărcării	24 Martie 2026, 08:51	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

produsxxl.cpp:23:14: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin(produsxxl.in);

              ^
produsxxl.cpp:23:14: error: 'produsxxl' was not declared in this scope
produsxxl.cpp:24:15: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout(produsxxl.out);

               ^
produsxxl.cpp:24:15: error: 'produsxxl' was not declared in this scope
produsxxl.cpp: In function 'int main()':
produsxxl.cpp:29:5: error: reference to 'cin' is ambiguous
     cin>>n;

     ^
produsxxl.cpp:23:10: note: candidates are: <typeprefixerror>cin
 ifstream cin(produsxxl.in);

          ^
In file included from produsxxl.cpp:20:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
produsxxl.cpp:32:9: error: reference to 'cin' is ambiguous
         cin>>cnt;

         ^
produsxxl.cpp:23:10: note: candidates are: <typeprefixerror>cin
 ifstream cin(produsxxl.in);

          ^
In file included from produsxxl.cpp:20:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
produsxxl.cpp:35:5: error: reference to 'cin' is ambiguous
     cin>>m;

     ^
produsxxl.cpp:23:10: note: candidates are: <typeprefixerror>cin
 ifstream cin(produsxxl.in);

          ^
In file included from produsxxl.cpp:20:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
produsxxl.cpp:38:9: error: reference to 'cin' is ambiguous
         cin>>cnt;

         ^
produsxxl.cpp:23:10: note: candidates are: <typeprefixerror>cin
 ifstream cin(produsxxl.in);

          ^
In file included from produsxxl.cpp:20:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
produsxxl.cpp:54:5: error: reference to 'cout' is ambiguous
     cout<<c[i];

     ^
produsxxl.cpp:24:10: note: candidates are: <typeprefixerror>cout
 ofstream cout(produsxxl.out);

          ^
In file included from produsxxl.cpp:20:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^

Cum funcționează evaluarea?