제출 #1289560

#제출 시각아이디문제언어결과실행 시간메모리
1289560hasandasDango Maker (JOI18_dango_maker)C++20
13 / 100
1 ms580 KiB
#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>> a(n, vector<bool>(m,false)); int ans = 0; for (int i = 0;i<n;i++) { cin>>v[i]; } for (int i = 0;i<n-2;i++) { for (int j = 0;j<m-2;j++) { if (v[i][j] == 'R' && v[i][j+1] == 'G' && v[i][j+2] == 'W') { if (!a[i][j] && !a[i][j+1] && !a[i][j+2]) { a[i][j] = true; a[i][j+1] = true; a[i][j+2] = true; ans++; } } } } for (int i = 0;i<n-2;i++) { for (int j = 0;j<m;j++) { if (v[i][j] == 'R' && v[i+1][j] == 'G' && v[i+2][j] == 'W') { if (!a[i][j] && !a[i+1][j] && !a[i+2][j]) { a[i][j] = true; a[i+1][j] = true; a[i+2][j] = true; ans++; } } } } cout << ans << endl; return 0; }
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