Borderou de evaluare (job #284580)

Compilare: user.cpp: In function 'int main()': user.cpp:10:9: warning: unused variable 'x' [-Wunused-variable] user.cpp:10:13: warning: unused variable 'y' [-Wunused-variable] user.cpp:10:45: warning: unused variable 'xi' [-Wunused-variable] user.cpp:10:50: warning: unused variable 'yi' [-Wunused-variable] user.cpp:8:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]