Borderou de evaluare (job #53188)

Compilare: user.cpp: In function ‘int main()’: user.cpp:7:7: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:8:8: warning: variable ‘e’ set but not used [-Wunused-but-set-variable] user.cpp:5:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]