Submission #1258766

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258766		nuggetbrain007	Bitaro the Brave (JOI19_ho_t1)	C++20	0 / 100	0 ms	328 KiB

joi2019_ho_t1

#include<bits/stdc++.h>
using namespace std;

int main() {
    int h, w;
    cin >> h >> w;
    
    vector<string> v(h);
    for (int i = 0; i < h; i++) {
        cin >> v[i];
    }
    
    vector<int> v1(h, 0);
    vector<int> v2(w, 0);
    
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            if (v[i][j] == 'O') {
                v1[i]++;
            } else if (v[i][j] == 'I') {
                v2[j]++;
            }
        }
    }
    
    long long sum = 0;
    
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            if (v[i][j] == 'J') { 
                sum += (long long)v1[i] * v2[j];
            }
        }
    }
    
    cout << sum;
    
    return 0;
}

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