답안 #965239

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
965239	2024-04-18T08:47:16 Z	thinknoexit	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	97 ms	89656 KB

joi2019_ho_t1

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 3030;
char c[N][N];
int qs[2][N][N];
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n, m;
    cin >> n >> m;
    for (int i = 1;i <= n;i++) {
        cin >> (c[i] + 1);
        for (int j = 1;j <= m;j++) {
            qs[0][i][j] = qs[0][i][j - 1] + (c[i][j] == 'O');
            qs[1][i][j] = qs[1][i - 1][j] + (c[i][j] == 'I');
        }
    }
    ll ans = 0;
    for (int i = 1;i < n;i++) {
        for (int j = 1;j < m;j++) {
            if (c[i][j] == 'J') {
                ans += 1ll * (qs[0][i][m] - qs[0][i][j]) * (qs[1][n][j] - qs[1][i][j]);
            }
        }
    }
    cout << ans;
    return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	2 ms	7516 KB	Output is correct
6	Correct	1 ms	7372 KB	Output is correct
7	Correct	2 ms	5212 KB	Output is correct
8	Correct	2 ms	7260 KB	Output is correct
9	Correct	2 ms	7260 KB	Output is correct
10	Correct	1 ms	5212 KB	Output is correct
11	Correct	2 ms	7388 KB	Output is correct
12	Correct	2 ms	7260 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	2 ms	7516 KB	Output is correct
6	Correct	1 ms	7372 KB	Output is correct
7	Correct	2 ms	5212 KB	Output is correct
8	Correct	2 ms	7260 KB	Output is correct
9	Correct	2 ms	7260 KB	Output is correct
10	Correct	1 ms	5212 KB	Output is correct
11	Correct	2 ms	7388 KB	Output is correct
12	Correct	2 ms	7260 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	4 ms	14172 KB	Output is correct
15	Correct	2 ms	10588 KB	Output is correct
16	Correct	3 ms	8796 KB	Output is correct
17	Correct	1 ms	2512 KB	Output is correct
18	Correct	5 ms	14428 KB	Output is correct
19	Correct	4 ms	14684 KB	Output is correct
20	Correct	4 ms	14428 KB	Output is correct
21	Correct	5 ms	14464 KB	Output is correct
22	Correct	4 ms	14428 KB	Output is correct
23	Correct	5 ms	14680 KB	Output is correct
24	Correct	6 ms	14428 KB	Output is correct
25	Correct	5 ms	14300 KB	Output is correct
26	Correct	4 ms	14300 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	2 ms	7516 KB	Output is correct
6	Correct	1 ms	7372 KB	Output is correct
7	Correct	2 ms	5212 KB	Output is correct
8	Correct	2 ms	7260 KB	Output is correct
9	Correct	2 ms	7260 KB	Output is correct
10	Correct	1 ms	5212 KB	Output is correct
11	Correct	2 ms	7388 KB	Output is correct
12	Correct	2 ms	7260 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	4 ms	14172 KB	Output is correct
15	Correct	2 ms	10588 KB	Output is correct
16	Correct	3 ms	8796 KB	Output is correct
17	Correct	1 ms	2512 KB	Output is correct
18	Correct	5 ms	14428 KB	Output is correct
19	Correct	4 ms	14684 KB	Output is correct
20	Correct	4 ms	14428 KB	Output is correct
21	Correct	5 ms	14464 KB	Output is correct
22	Correct	4 ms	14428 KB	Output is correct
23	Correct	5 ms	14680 KB	Output is correct
24	Correct	6 ms	14428 KB	Output is correct
25	Correct	5 ms	14300 KB	Output is correct
26	Correct	4 ms	14300 KB	Output is correct
27	Correct	97 ms	88912 KB	Output is correct
28	Correct	10 ms	47196 KB	Output is correct
29	Correct	6 ms	12632 KB	Output is correct
30	Correct	1 ms	2652 KB	Output is correct
31	Correct	56 ms	76380 KB	Output is correct
32	Correct	51 ms	89596 KB	Output is correct
33	Correct	51 ms	89424 KB	Output is correct
34	Correct	66 ms	86460 KB	Output is correct
35	Correct	57 ms	89420 KB	Output is correct
36	Correct	52 ms	89356 KB	Output is correct
37	Correct	83 ms	89656 KB	Output is correct
38	Correct	39 ms	76116 KB	Output is correct
39	Correct	38 ms	76236 KB	Output is correct