Borderou de evaluare (job #366878)

Compilare: user.cpp: In function ‘int main()’: user.cpp:60:34: warning: left operand of comma operator has no effect [-Wunused-value] user.cpp:30:17: warning: unused variable ‘s’ [-Wunused-variable] user.cpp:30:21: warning: unused variable ‘st’ [-Wunused-variable] user.cpp:30:24: warning: unused variable ‘dr’ [-Wunused-variable] user.cpp:30:32: warning: unused variable ‘m’ [-Wunused-variable] user.cpp:30:34: warning: unused variable ‘elem’ [-Wunused-variable] user.cpp:26:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:27:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]