Compilare: user.cpp: In function ‘int main()’: user.cpp:30:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[i].x>xs&&v[i].y>ys)//CADRANUL SUS-DREAPTA ^ user.cpp:80:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[i].x<xs&&v[i].y<ys)//CADRANUL JOS-STANGA ^ user.cpp:104:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[i].x<xs&&v[i].y>ys)//CADRANUL SUS-STANGA ^ user.cpp:18:36: 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:19:38: 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:22:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&xs,&ys); ^ user.cpp:25:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i].x,&v[i].y); ^