Submission #541527

#	Time	Username	Problem	Language	Result	Execution time	Memory
541527		happypotato	Bitaro the Brave (JOI19_ho_t1)	C++17	50 / 100	1101 ms	17804 KiB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
#define ll long long
void init() {

}
void solve() {
    int h, w;
    cin >> h >> w;
    string a[h];
    for (int i = 0; i < h; i++) cin >> a[i];
    ll int ans = 0;
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            if (a[i][j] == 'J') {
                int cnt1 = 0, cnt2 = 0;
                for (int k = i + 1; k < h; k++) cnt1 += (a[k][j] == 'I');
                for (int k = j + 1; k < w; k++) cnt2 += (a[i][k] == 'O');
                ans += cnt1 * cnt2;
            }
        }
    }
    cout << ans << endl;
}
int main() {
    // #ifndef ONLINE_JUDGE
    // freopen("input.txt", "r", stdin);
    // #endif
    ios::sync_with_stdio(false); cin.tie(0);
    init();
    solve();
}

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