Submission #634632

#	Time	Username	Problem	Language	Result	Execution time	Memory
634632		colossal_pepe	Dango Maker (JOI18_dango_maker)	C++17	13 / 100	1 ms	340 KiB

dango_maker

#include <iostream>
using namespace std;

int n, m;
string g[1001];

int solve(int is, int js) {
    int ret = 0;
    int i = is, j = js;
    while (i < n and j > -1) {
        if (j + 2 < m and g[i][j] == 'R' and g[i][j + 1] == 'G' and g[i][j + 2] == 'W') {
            ret++;
            g[i][j] = g[i][j + 1] = g[i][j + 2] = '.';
        }
        i++, j--;
    }
    i = is, j = js;
    while (i < n and j > -1) {
        if (i + 2 < n and g[i][j] == 'R' and g[i + 1][j] == 'G' and g[i + 2][j] == 'W') {
            ret++;
            g[i][j] = g[i + 1][j] = g[i + 2][j] = '.';
        }
        i++, j--;
    }
    return ret;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> m;
    for (int i = 0; i < n; i++) {
        cin >> g[i];
    }
    int ans = 0;
    for (int i = 0; i < m; i++) {
        ans += solve(0, i);
    }
    for (int i = 1; i < n; i++) {
        ans += solve(i, m - 1);
    }
    cout << ans << '\n';
    return 0;
}

• Subtask 1: 13 / 13
• Subtask 2: 0 / 20
• Subtask 3: 0 / 67