Borderou de evaluare (job #229299)

Compilare: user.cpp: In function ‘int main()’: user.cpp:43:9: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:43:11: warning: unused variable ‘y’ [-Wunused-variable] user.cpp:39:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:40:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]