Compilare: user.cpp: In function ‘bool Check(int)’: user.cpp:32:9: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int x,x11,x12,y11,y12,y; ^ user.cpp: In function ‘int main()’: user.cpp:82:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("robotics.in","r",stdin); ^ user.cpp:83:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("robotics.out","w",stdout); ^ user.cpp:84:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&m,&t); ^ user.cpp:87:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&v[i].x,&v[i].y,&v[i].tip); ^