Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:14: error: ‘n’ was not declared in this scope user.cpp:15: error: ‘nr’ was not declared in this scope user.cpp:17: error: ‘c’ was not declared in this scope user.cpp:17: error: ‘k’ was not declared in this scope user.cpp:18: error: ‘ap’ was not declared in this scope user.cpp:21: error: ‘c’ was not declared in this scope user.cpp:21: error: ‘k’ was not declared in this scope user.cpp:21: error: ‘sort’ was not declared in this scope user.cpp:22: error: ‘num’ was not declared in this scope user.cpp:23: error: ‘i’ was not declared in this scope user.cpp:24: error: ‘ap’ was not declared in this scope user.cpp:25: error: ‘p’ was not declared in this scope user.cpp:26: error: ‘ap’ was not declared in this scope user.cpp:26: error: ‘nc’ was not declared in this scope user.cpp:28: error: ‘R’ was not declared in this scope user.cpp:28: error: ‘u’ was not declared in this scope