Rezumat problemă

scadere2

#1258

Se dau 2 numere naturale. Calculați diferenţa lor.

Consola Vilău Marian (marianvilau) Marian Vilau ușoară

Clasa 9 Elemente de baza ale limbajului Operatori și expresii

Rezolvă

Detalii

Problema	scadere2	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64403998	Utilizator	COCA ALEXANDRA (coca_alexandra189)
Fișier	scadere2.cpp	Dimensiune	137 B
Data încărcării	05 Mai 2026, 12:40	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

scadere2.cpp:2:7: error: expected nested-name-specifier before ‘namesapce’
    2 | using namesapce std;
      |       ^~~~~~~~~
scadere2.cpp: In function ‘int main()’:
scadere2.cpp:5:5: error: ‘usinged’ was not declared in this scope; did you mean ‘unsigned’?
    5 |     usinged int a,b;
      |     ^~~~~~~
      |     unsigned
scadere2.cpp:6:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
    6 |     cin >>a>.b;
      |     ^~~
      |     std::cin
In file included from scadere2.cpp:1:
/usr/include/c++/13/iostream:62:18: note: ‘std::cin’ declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
scadere2.cpp:6:11: error: ‘a’ was not declared in this scope
    6 |     cin >>a>.b;
      |           ^
scadere2.cpp:6:13: error: expected primary-expression before ‘.’ token
    6 |     cin >>a>.b;
      |             ^
scadere2.cpp:7:5: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
    7 |     cout<<a+b<<endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
scadere2.cpp:7:13: error: ‘b’ was not declared in this scope
    7 |     cout<<a+b<<endl;
      |             ^
scadere2.cpp:7:16: error: ‘endl’ was not declared in this scope; did you mean ‘std::endl’?
    7 |     cout<<a+b<<endl;
      |                ^~~~
      |                std::endl
In file included from /usr/include/c++/13/iostream:41:
/usr/include/c++/13/ostream:735:5: note: ‘std::endl’ declared here
  735 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~

Cum funcționează evaluarea?