Submission #928489

#	Time	Username	Problem	Language	Result	Execution time	Memory
928489		Art_ogo	Bitaro the Brave (JOI19_ho_t1)	C++17	20 / 100	1034 ms	860 KiB

joi2019_ho_t1

#include <bits/stdc++.h>

#define ll long long
#define fi first
#define se second
#define ve vector
#define all(x) x.begin(), x.end()

using namespace std;

typedef pair<ll, ll> pll;
typedef pair<int, int> pii;

#pragma GCC optimize("O3")

signed main(){
    int n, m;
    cin >> n >> m;
    ve<string> v(n);
    for(auto& i : v)
        cin >> i;
    int res = 0;
    for(int i = 0; i < n; i++)
        for(int j = 0; j < m; j++)
            for(int k = i + 1; k < n; k++)
                for(int l = j + 1; l < m; l++)
                    res += v[i][j] == 'J' && v[i][l] == 'O' && v[k][j] == 'I';

    cout << res;
}

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