Borderou de evaluare (job #49422)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:15: warning: variable ‘a2’ set but not used [-Wunused-but-set-variable] user.cpp:9:18: warning: variable ‘cif’ set but not used [-Wunused-but-set-variable] user.cpp:9:45: warning: unused variable ‘p’ [-Wunused-variable] user.cpp:7:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]