Submission #381348

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
381348	2021-03-25T06:46:03 Z	jlallas384	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	286 ms	56044 KB

joi2019_ho_t1

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

int main(){
    int n,m;
    cin >> n >> m;
    vector<string> g(n);
    for(auto &x: g){
        cin >> x;
    }
    vector<vector<int>> cnt(n+1,vector<int>(m));
    for(int i = n - 1; i >= 0; i--){
        for(int j = 0; j < m; j++){
            cnt[i][j] = cnt[i+1][j] + (g[i][j] == 'I');
        }
    }
    ll ans = 0;
    for(int i = 0; i < n; i++){
        int c = 0;
        for(int j = 0; j < m; j++){
            if(g[i][j] == 'J') c += cnt[i+1][j];
            if(g[i][j] == 'O') ans += c;
        }
    }
    cout << ans;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	2 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	2 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	8 ms	1644 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	5 ms	1260 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	9 ms	2048 KB	Output is correct
19	Correct	8 ms	1772 KB	Output is correct
20	Correct	8 ms	2028 KB	Output is correct
21	Correct	9 ms	2028 KB	Output is correct
22	Correct	8 ms	1772 KB	Output is correct
23	Correct	9 ms	2028 KB	Output is correct
24	Correct	9 ms	2028 KB	Output is correct
25	Correct	8 ms	1772 KB	Output is correct
26	Correct	8 ms	2156 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	2 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	8 ms	1644 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	5 ms	1260 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	9 ms	2048 KB	Output is correct
19	Correct	8 ms	1772 KB	Output is correct
20	Correct	8 ms	2028 KB	Output is correct
21	Correct	9 ms	2028 KB	Output is correct
22	Correct	8 ms	1772 KB	Output is correct
23	Correct	9 ms	2028 KB	Output is correct
24	Correct	9 ms	2028 KB	Output is correct
25	Correct	8 ms	1772 KB	Output is correct
26	Correct	8 ms	2156 KB	Output is correct
27	Correct	262 ms	53356 KB	Output is correct
28	Correct	2 ms	620 KB	Output is correct
29	Correct	19 ms	4460 KB	Output is correct
30	Correct	2 ms	492 KB	Output is correct
31	Correct	193 ms	40556 KB	Output is correct
32	Correct	244 ms	55532 KB	Output is correct
33	Correct	246 ms	55788 KB	Output is correct
34	Correct	225 ms	47084 KB	Output is correct
35	Correct	243 ms	55788 KB	Output is correct
36	Correct	243 ms	55824 KB	Output is correct
37	Correct	286 ms	56044 KB	Output is correct
38	Correct	173 ms	40428 KB	Output is correct
39	Correct	172 ms	40556 KB	Output is correct