Eroare de compilare: user.cpp: In function 'int main()': user.cpp:17: error: 'p' was not declared in this scope user.cpp:20: warning: 3rd expression in for has no effect user.cpp:20: error: expected `)' before ';' token user.cpp:20: error: expected `;' before ')' token user.cpp:32: error: expected `}' at end of input user.cpp:32: error: expected `}' at end of input user.cpp:32: error: expected `}' at end of input user.cpp:32: error: expected `}' at end of input user.cpp:20: error: label 'nr' used but not defined