Borderou de evaluare (job #363480)

Compilare: user.cpp: In function ‘int main()’: user.cpp:30:17: warning: left operand of comma operator has no effect [-Wunused-value] user.cpp:17:21: warning: variable ‘m’ set but not used [-Wunused-but-set-variable] user.cpp:17:23: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:15:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:16:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]