Submission #1115543

#	Time	Username	Problem	Language	Result	Execution time	Memory
1115543		staszic_ojuz	Dango Maker (JOI18_dango_maker)	C++17	100 / 100	201 ms	21856 KiB

dango_maker

#include <iostream>
#include <vector>
using namespace std;
int main(){
    int n, m;
    cin>>n>>m;
    vector<string> vect(n);
    for (int i=0;i<n;i++) cin>>vect[i];
    vector<vector<bool>> used(n);
    for (int i=0;i<n;i++) used[i].resize(m);
    int out=0;
    for (int i=0;i<n;i++){
        for (int j=0;j<m;j++){
            if (used[i][j]) continue;
            if (j>=2){
                if (vect[i][j]=='W'&&vect[i][j-1]=='G'&&vect[i][j-2]=='R'&&!used[i][j-1]&&!used[i][j-2]){
                    out++;
                    used[i][j]=true;
                    used[i][j-1]=true;
                    used[i][j-2]=true;
                    continue;
                }
            }
            if (i>0&&i<n-1){
                if (vect[i][j]=='G'&&vect[i-1][j]=='R'&&vect[i+1][j]=='W'&&!used[i-1][j]&&!used[i+1][j]){
                    if (j>0&&vect[i][j-1]=='R'&&vect[i][j+1]=='W'&&!used[i][j-1]&&!used[i][j+1]){
                        out++;
                        used[i][j]=true;
                        used[i-1][j]=true;
                        used[i][j+1]=true;
                        continue;
                    }
                    out++;
                    used[i][j]=true;
                    used[i-1][j]=true;
                    used[i+1][j]=true;
                }
            }
        }
    }
    cout<<out<<'\n';
    return 0;
}

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