Submission

Score: 0

User: onlyme910

Problemset: สำรวจอาเรย์ 2

Language: cpp

Time: 0.009 second

Submitted On: 2025-10-08 16:54:21

#include <bits/stdc++.h>
using namespace std;

int R,C;
int last[4];

int main(){
    int plus = 0,minus = 0,even = 0,odd = 0;
    cin >> R >> C;
    int arr[R][C];
    for(int i = 0;i<R;i++){
        for(int j = 0;j<C;j++){
            cin >> arr[i][j];
        }
    }
    int K,x,y;
    cin >> K;
    while(K--){
        cin >> x >> y;
        if(x <1 || y<1||x>R||y>C){
            for(int i = 0;i < 4;i++){
                switch (i)
                {
                case 0:
                    plus += last[0];
                    break;
                case 1:
                    minus += last[1];
                    break;
                case 2:
                    minus += last[2];
                    break;
                case 3:
                    minus += last[3];
                    break;
                }
            }
        }
        else{
            x--;y--;
            if(arr[x][y] < 0){
                minus++;
                last[1] = 1;
            }else last[1] = 0;
            if(arr[x][y] > 0){
                plus++;
                last[0] = 1;
            }else last[0] = 0;
            if(arr[x][y]%2 == 0){
                even++;
                last[2] = 1;
            }else last[2] = 0;
            if(arr[x][y]%2 != 0){
                odd++;
                last[3] = 1;
            }else last[3] = 0;
        }
    }
    cout << plus << " " << minus << " " << even << " " << odd;
}