Borderou de evaluare (job #348095)

Compilare: user.cpp: In function ‘int main()’: user.cpp:22:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:23:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:24:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:27:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:62:10: warning: ‘py2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:61:10: warning: ‘py1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:60:10: warning: ‘px2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:59:11: warning: ‘px1’ may be used uninitialized in this function [-Wuninitialized]