Borderou de evaluare (job #271785)

Compilare: user.cpp: In function ‘int main()’: user.cpp:8:11: warning: unused variable ‘i’ [-Wunused-variable] user.cpp:9:10: warning: unused variable ‘c’ [-Wunused-variable] user.cpp:10:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]