Borderou de evaluare (job #350422)

Compilare: user.cpp: In function ‘int main()’: user.cpp:14:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:26:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:172:29: warning: ‘y’ may be used uninitialized in this function [-Wuninitialized] user.cpp:172:29: warning: ‘x’ may be used uninitialized in this function [-Wuninitialized]