Submission #1289618

#	Time	Username	Problem	Language	Result	Execution time	Memory
1289618		ey00	Dango Maker (JOI18_dango_maker)	C++20	0 / 100	1 ms	584 KiB

dango_maker

#include <bits/stdc++.h>
#define int long long
using namespace std;
char c[3000][3000];
int n,m;
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>n>>m;
    for(int i=0;i<n;i++)
        for(int j=0;j<m;j++)
            cin>>c[i][j];
    int ans=0;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            if(c[i][j]!='R') continue;
            if(j+2<m && c[i][j+1]=='G' && c[i][j+2]=='W'){
                ans++;
                c[i][j]=c[i][j+1]=c[i][j+2]='A';
                continue;
            }
            if(j-2>=0 && c[i][j-1]=='G' && c[i][j-2]=='W'){
                ans++;
                c[i][j]=c[i][j-1]=c[i][j-2]='A';
                continue;
            }
            if(i+2<n && c[i+1][j]=='G' && c[i+2][j]=='W'){
                ans++;
                c[i][j]=c[i+1][j]=c[i+2][j]='A';
                continue;
            }
            if(i-2>=0 && c[i-1][j]=='G' && c[i-2][j]=='W'){
                ans++;
                c[i][j]=c[i-1][j]=c[i-2][j]='A';
                continue;
            }
        }
    }
    cout<<ans;
    return 0;
}

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