Eroare de compilare: user.cpp:34:2: warning: no newline at end of file user.cpp:5: error: expected initializer before 'long' user.cpp: In function 'void aha()': user.cpp:10: error: 'v' was not declared in this scope user.cpp:16: error: 'v' was not declared in this scope user.cpp: In function 'int main()': user.cpp:30: error: 'sum' was not declared in this scope user.cpp:30: error: 'v' was not declared in this scope