답안 #703662

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
703662	2023-02-28T04:51:36 Z	qwe1rt1yuiop1	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	264 ms	160220 KB

joi2019_ho_t1

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

inline void solve()
{
    int n, m;
    cin >> n >> m;
    vector<string> v(n);
    for (auto &i : v)
        cin >> i;
    
    vector<vector<int>> ii(n + 1, vector<int>(m + 1, 0)), oo(ii);
    for (int i = n - 1; i >= 0; --i)
        for (int j = 0; j < m; ++j)
            ii[i][j] = ii[i + 1][j] + (v[i][j] == 'I');
    for (int j = m - 1; j >= 0; --j)
        for (int i = 0; i < n; ++i)
            oo[i][j] = oo[i][j + 1] + (v[i][j] == 'O');
    
    int ans = 0;
    for (int i = 0; i < n; ++i)
        for (int j = 0; j < m; ++j)
            if (v[i][j] == 'J')
                ans += ii[i][j] * oo[i][j];
    cout << ans << '\n';
}

signed main()
{
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);

    solve();

    return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	456 KB	Output is correct
7	Correct	1 ms	468 KB	Output is correct
8	Correct	1 ms	452 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	456 KB	Output is correct
7	Correct	1 ms	468 KB	Output is correct
8	Correct	1 ms	452 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	3 ms	3656 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	2 ms	2636 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	5 ms	4692 KB	Output is correct
19	Correct	4 ms	4552 KB	Output is correct
20	Correct	4 ms	4692 KB	Output is correct
21	Correct	4 ms	4792 KB	Output is correct
22	Correct	4 ms	4564 KB	Output is correct
23	Correct	4 ms	4684 KB	Output is correct
24	Correct	5 ms	4684 KB	Output is correct
25	Correct	4 ms	4564 KB	Output is correct
26	Correct	4 ms	4692 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	456 KB	Output is correct
7	Correct	1 ms	468 KB	Output is correct
8	Correct	1 ms	452 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	3 ms	3656 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	2 ms	2636 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	5 ms	4692 KB	Output is correct
19	Correct	4 ms	4552 KB	Output is correct
20	Correct	4 ms	4692 KB	Output is correct
21	Correct	4 ms	4792 KB	Output is correct
22	Correct	4 ms	4564 KB	Output is correct
23	Correct	4 ms	4684 KB	Output is correct
24	Correct	5 ms	4684 KB	Output is correct
25	Correct	4 ms	4564 KB	Output is correct
26	Correct	4 ms	4692 KB	Output is correct
27	Correct	232 ms	151076 KB	Output is correct
28	Correct	2 ms	984 KB	Output is correct
29	Correct	9 ms	11756 KB	Output is correct
30	Correct	1 ms	724 KB	Output is correct
31	Correct	171 ms	111208 KB	Output is correct
32	Correct	219 ms	158948 KB	Output is correct
33	Correct	224 ms	159560 KB	Output is correct
34	Correct	189 ms	128848 KB	Output is correct
35	Correct	229 ms	158964 KB	Output is correct
36	Correct	257 ms	159580 KB	Output is correct
37	Correct	264 ms	160220 KB	Output is correct
38	Correct	168 ms	110312 KB	Output is correct
39	Correct	154 ms	110748 KB	Output is correct