Eroare de compilare: user.cpp:53:2: warning: no newline at end of file user.cpp:3: error: size of array 'a' is too large user.cpp: In function 'int verifica()': user.cpp:8: error: 'a' was not declared in this scope user.cpp:10: error: 'a' was not declared in this scope user.cpp:11: error: 'a' was not declared in this scope user.cpp:5: warning: unused variable 'ok' user.cpp: In function 'int main()': user.cpp:47: error: 'a' was not declared in this scope