PROG-T1071: Bomb

#include <iostream>
using namespace std;

bool table[1010][1010];

int nb, n;

int main(){

    int x, y, r, cnt;

    scanf("%d %d", &n, &nb);
    for(int i = 0; i < n; ++i){
        scanf("%d %d", &x, &y);
        table[x][y] = true;
    }
    for(int i = 0; i < nb; ++i){
        scanf("%d %d %d", &x, &y, &r);
        cnt = 0;
        for(int j = x - r; j <= x + r; ++j){
            if(j >= 0 && j <= 1000){
                for(int k = y - r; k <= y + r; ++k){
                    if(k >= 0 && k <= 1000){
                        if(table[j][k]){
                            table[j][k] = false;
                            ++cnt;
                        }
                    }
                }
            }
        }
        cout << cnt << "\n";
    }

    return 0;
}