Bomb PROG1071

Source #671626:
#include<stdio.h>

int room[1010][1010];

int main()
{
    int n,m;
    scanf("%d %d",&n,&m);
    for(int i=0;i<n;i++){
        int x,y;
        scanf("%d %d",&x,&y);
        room[y][x] = 1;
    }
    for(int i=0;i<m;i++){
        int x,y,r;
        scanf("%d %d %d",&x,&y,&r);
        int count = 0;
        for(int Y = y-r;Y <= y + r ; Y++){
            for(int X = x-r ; X <= x + r ; X++){
                if(Y < 0 || Y > 1000 || X < 0 || X > 1000)continue;
            //  printf("Test %d %d\n",X,Y);
                if( room[Y][X] == 1){
                    room[Y][X] = 0;
                    count++;
                }
            }
        }
        printf("%d\n",count);
    }
}