Eroare de compilare: user.cpp:5: error: expected constructor, destructor, or type conversion before ‘=’ token user.cpp: In function ‘int main()’: user.cpp:16: error: ‘i’ was not declared in this scope user.cpp:20: error: ‘exista’ was not declared in this scope user.cpp:24: error: ‘exista’ was not declared in this scope user.cpp:28: error: ‘exista’ was not declared in this scope user.cpp:32: error: ‘exista’ was not declared in this scope user.cpp:36: error: ‘exista’ was not declared in this scope user.cpp:40: error: ‘exista’ was not declared in this scope user.cpp:44: error: ‘exista’ was not declared in this scope user.cpp:48: error: ‘exista’ was not declared in this scope user.cpp:52: error: ‘exista’ was not declared in this scope user.cpp:56: error: ‘exista’ was not declared in this scope user.cpp:60: error: ‘exista’ was not declared in this scope user.cpp:62: error: ‘exista’ was not declared in this scope