Submission #1289562

#	Time	Username	Problem	Language	Result	Execution time	Memory
1289562		hasandas	Dango Maker (JOI18_dango_maker)	C++20	13 / 100	2 ms	584 KiB

dango_maker

#include <bits/stdc++.h>

using namespace std;


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

	long long n,m;
	cin>>n>>m;

	vector<string> v(n);

	vector<vector<bool>> aH(n, vector<bool>(m,false));
	vector<vector<bool>> aV(n, vector<bool>(m,false));

	long long H = 0;
	long long V = 0;

	for (long long i = 0;i<n;i++) {
		cin>>v[i];
	}

	for (long long i = 0;i<n;i++) {
		for (long long j = 0;j<m-2;j++) {
			if (v[i][j] == 'R' && v[i][j+1] == 'G' && v[i][j+2] == 'W') {
				if (!aH[i][j] && !aH[i][j+1] && !aH[i][j+2]) {
					aH[i][j] = true;
					aH[i][j+1] = true;
					aH[i][j+2] = true;

					H++;
				}
			}
		}
	}

	for (long long i = 0;i<n-2;i++) {
		for (long long j = 0;j<m;j++) {
			if (v[i][j] == 'R' && v[i+1][j] == 'G' && v[i+2][j] == 'W') {
				if (!aV[i][j] && !aV[i+1][j] && !aV[i+2][j]) {
					aV[i][j] = true;
					aV[i+1][j] = true;
					aV[i+2][j] = true;

					V++;
				}
			}
		}
	}

	cout << max(V,H) << endl;

	return 0;
}

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