제출 #1289561

#제출 시각아이디문제언어결과실행 시간메모리
1289561ayemanDango Maker (JOI18_dango_maker)C++20
0 / 100
2 ms576 KiB
#include <bits/stdc++.h>
using namespace std;
#define int long long

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, m;
    cin >> n >> m;
    vector<vector<char>> d(n, vector<char>(m));
    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
            cin >> d[i][j];

    int cnt = 0;

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if (j + 2 < m && d[i][j] == 'R' && d[i][j+1] == 'G' && d[i][j+2] == 'W')
                cnt++;
            else if (i + 2 < n && d[i][j] == 'R' && d[i+1][j] == 'G' && d[i+2][j] == 'W')
                cnt++;
        }
    }

    cout << cnt;
}
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