Borderou de evaluare (job #423879)

Compilare: user.cpp: In function ‘int main()’: user.cpp:12:24: warning: variable ‘st’ set but not used [-Wunused-but-set-variable] user.cpp:12:27: warning: variable ‘dr’ set but not used [-Wunused-but-set-variable] user.cpp:12:30: warning: unused variable ‘m’ [-Wunused-variable] user.cpp:10:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]