Borderou de evaluare (job #55890)

Compilare: user.cpp: In function ‘int main()’: user.cpp:8:9: warning: variable ‘c1’ set but not used [-Wunused-but-set-variable] user.cpp:8:12: warning: variable ‘c2’ set but not used [-Wunused-but-set-variable] user.cpp:5:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]