Compilare: user.cpp: In function ‘int main()’: user.cpp:63:14: warning: unused variable ‘Ans1’ [-Wunused-variable] int Ans = 0,Ans1 = 0,Ans2 = 0,Ans3 = 0; ^ user.cpp:63:23: warning: unused variable ‘Ans2’ [-Wunused-variable] int Ans = 0,Ans1 = 0,Ans2 = 0,Ans3 = 0; ^ user.cpp:63:32: warning: unused variable ‘Ans3’ [-Wunused-variable] int Ans = 0,Ans1 = 0,Ans2 = 0,Ans3 = 0; ^ user.cpp:37:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pachete.in", "r", stdin); ^ user.cpp:38:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pachete.out", "w", stdout); ^ user.cpp:41:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n%d%d",&n,&X,&Y); ^ user.cpp:44:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld",&a.x,&a.y); ^