Borderou de evaluare (job #401725)

Compilare: user.cpp: In function ‘int main()’: user.cpp:6:17: warning: variable ‘p’ set but not used [-Wunused-but-set-variable] user.cpp:6:19: warning: unused variable ‘v’ [-Wunused-variable] user.cpp:8:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]