Submission #1258722

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258722		nasufyro	Bitaro the Brave (JOI19_ho_t1)	C++20	20 / 100	1093 ms	656 KiB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
long long h, w;
vector<string> board;
vector<long long> row, col;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    cin >> h >> w;
    board.resize(h);
    for (int i = 0; i < h; i++) {
        cin >> board[i];
    }
    long long ans = 0;
    for(long long i=0;i<h;i++)
    {
        for(long long k=i+1;k<h;k++)
        {
            for(long long j=0;j<w;j++)
            {
                if(board[i][j]== 'J' && board[k][j] == 'I')
                {
                    for(long long l=j+1;l<w;l++)
                    {
                        if(board[i][l] == 'O')
                        {
                            ans++;
                        }
                    }
                }
            }
        }
    }
    cout << ans;
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50