Submission

Score: 0

User: Quaoar

Problemset: fireball

Language: cpp

Time: 0.003 second

Submitted On: 2025-12-10 12:35:15

#include <iostream>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int map[100][100];
    int n , m ,q;
    int cnt = 0;
    cin >> n >> m >> q;
    for (int i = 0 ; i < n ; i++){
        for (int j = 0 ; j < m ; j++){
            cin >> map[i][j];
            if (map[i][j] == 1){
                cnt++;
            }
        }
    }

    for (int i = 0 ; i < q ; i++){
        int x , y;
        cin >> x >> y;
        x--;
        y--;
        //cout << map[x][y];
        if (map[x][y] == 0){
            cout << cnt << "\n";
            continue;
        }

        for (int ny = -1 ; ny <= 1 ; ny++){
            if (y + ny < 0 || y + ny >= m ){
                continue;
            }
            if (map[x][y + ny] == 1){
                map[x][y + ny] = 0;
                cnt--;
            }
        }
        for (int nx = -1 ; nx <= 1 ; nx++){
            if (x + nx < 0 || x + nx >= n ){
                continue;
            }
            if (map[x + nx][y] == 1){
                map[x + nx][y] = 0;
                cnt--;
            }
        }
        cout << cnt << "\n";
    }
    

    return 0;
}