Compilare: user.cpp: In function ‘void ReadInput()’: user.cpp:30:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:32:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &vec[i].x, &vec[i].y); ^ user.cpp: In function ‘void ProcessQueries()’: user.cpp:84:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int m; scanf("%d", &m); ^ user.cpp:86:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int a, b, c; scanf("%d%d%d", &a, &b, &c); ^