Submission

Score: 100

User: ssens3

Problemset: สำรวจอาเรย์ 2

Language: cpp

Time: 0.009 second

Submitted On: 2026-10-04 10:13:29

#include <iostream>
#include <vector>
using namespace std;
int main(){
    int r, c, n, x, y, ox = -1, oy = -1, e[4] = {0}; cin >> r >> c;
    vector<vector<int>> v(r+1, vector<int>(c+1));
    for (int i = 1; i <= r; i++){
        for (int j = 1; j <= c; j++){
            cin >> v[i][j];
        }
    }
    cin >> n;
    for (int i = 0; i < n; i++){
        cin >> x >> y;
        if (x > r || x <= 0 || y > c || y <= 0){
            if (ox == -1 || oy == -1) continue;
            if (v[ox][oy] > 0) e[0]++;
            else if (v[ox][oy] < 0) e[1]++;
            if (v[ox][oy] % 2 == 0) e[2]++;
            else e[3]++;
            continue;
        }
        if (v[x][y] > 0) e[0]++;
        else if (v[x][y] < 0) e[1]++;
        if (v[x][y] % 2 == 0) e[2]++;
        else e[3]++;
        ox = x; oy = y;
    }
    for (int i = 0; i < 4; i++){
        cout << e[i] << " ";
    }
}