답안 #1037340

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1037340	2024-07-28T14:19:18 Z	vanea	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	86 ms	89684 KB

joi2019_ho_t1

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

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int h, w;
    cin >> h >> w;
    vector<string> v(h+1);
    vector<vector<int>> prefI(h+1, vector<int>(w+1)), prefO(h+1, vector<int>(w+1));
    for(int i = 1; i <= h; i++) {
        cin >> v[i];
    }
    for(int i = 1; i <= h; i++) {
        for(int j = 1; j <= w; j++) {
            prefO[i][j] = prefO[i][j-1]+(v[i][j-1] == 'O');
            prefI[i][j] = prefI[i-1][j]+(v[i][j-1] == 'I');
        }
    }
    ll ans = 0;
    for(int i = 1; i <= h; i++) {
        for(int j = 1; j <= w; j++) {
            if(v[i][j-1] == 'J') {
                ll curr = prefO[i][w]-prefO[i][j];
                curr *= prefI[h][j]-prefI[i][j];
                ans += curr;
            }
        }
    }
    cout << ans;
    return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	2 ms	2396 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	1628 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	3 ms	2908 KB	Output is correct
19	Correct	2 ms	2652 KB	Output is correct
20	Correct	2 ms	2908 KB	Output is correct
21	Correct	3 ms	2904 KB	Output is correct
22	Correct	2 ms	2652 KB	Output is correct
23	Correct	2 ms	2792 KB	Output is correct
24	Correct	3 ms	2836 KB	Output is correct
25	Correct	2 ms	2652 KB	Output is correct
26	Correct	2 ms	2816 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	2 ms	2396 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	1628 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	3 ms	2908 KB	Output is correct
19	Correct	2 ms	2652 KB	Output is correct
20	Correct	2 ms	2908 KB	Output is correct
21	Correct	3 ms	2904 KB	Output is correct
22	Correct	2 ms	2652 KB	Output is correct
23	Correct	2 ms	2792 KB	Output is correct
24	Correct	3 ms	2836 KB	Output is correct
25	Correct	2 ms	2652 KB	Output is correct
26	Correct	2 ms	2816 KB	Output is correct
27	Correct	74 ms	84568 KB	Output is correct
28	Correct	1 ms	856 KB	Output is correct
29	Correct	4 ms	6748 KB	Output is correct
30	Correct	0 ms	696 KB	Output is correct
31	Correct	54 ms	62176 KB	Output is correct
32	Correct	57 ms	89020 KB	Output is correct
33	Correct	56 ms	89452 KB	Output is correct
34	Correct	62 ms	72280 KB	Output is correct
35	Correct	56 ms	89076 KB	Output is correct
36	Correct	54 ms	89424 KB	Output is correct
37	Correct	86 ms	89684 KB	Output is correct
38	Correct	39 ms	61780 KB	Output is correct
39	Correct	39 ms	62036 KB	Output is correct