답안 #701462

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
701462	2023-02-21T09:48:46 Z	Dan4Life	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	283 ms	160200 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define all(a) a.begin(),a.end()
const int mxN = (int)3e3+10;
string a[mxN];
int n, m, ans, r[mxN][mxN], c[mxN][mxN];

int32_t main()
{
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> m;
    for(int i = 0; i < n; i++){
        cin >> a[i];
        for(int j = m-1; j>=0; j--)
            r[i][j]=r[i][j+1]+(a[i][j]=='O');
    }
    for(int j = 0; j < m; j++)
        for(int i = n-1; i>=0; i--)
            c[i][j]=c[i+1][j]+(a[i][j]=='I');
    for(int i = 0; i < n; i++)
        for(int j = 0; j < m; j++)
            if(a[i][j]=='J') ans+=r[i][j+1]*c[i+1][j];
    cout << ans;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	1364 KB	Output is correct
6	Correct	1 ms	1364 KB	Output is correct
7	Correct	1 ms	1236 KB	Output is correct
8	Correct	1 ms	1364 KB	Output is correct
9	Correct	1 ms	1364 KB	Output is correct
10	Correct	1 ms	1236 KB	Output is correct
11	Correct	1 ms	1364 KB	Output is correct
12	Correct	1 ms	1364 KB	Output is correct
13	Correct	1 ms	1236 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	1364 KB	Output is correct
6	Correct	1 ms	1364 KB	Output is correct
7	Correct	1 ms	1236 KB	Output is correct
8	Correct	1 ms	1364 KB	Output is correct
9	Correct	1 ms	1364 KB	Output is correct
10	Correct	1 ms	1236 KB	Output is correct
11	Correct	1 ms	1364 KB	Output is correct
12	Correct	1 ms	1364 KB	Output is correct
13	Correct	1 ms	1236 KB	Output is correct
14	Correct	6 ms	7636 KB	Output is correct
15	Correct	2 ms	3796 KB	Output is correct
16	Correct	3 ms	4564 KB	Output is correct
17	Correct	1 ms	468 KB	Output is correct
18	Correct	7 ms	8532 KB	Output is correct
19	Correct	6 ms	8404 KB	Output is correct
20	Correct	8 ms	8432 KB	Output is correct
21	Correct	6 ms	8532 KB	Output is correct
22	Correct	5 ms	8404 KB	Output is correct
23	Correct	6 ms	8404 KB	Output is correct
24	Correct	8 ms	8532 KB	Output is correct
25	Correct	6 ms	8392 KB	Output is correct
26	Correct	6 ms	8404 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	1364 KB	Output is correct
6	Correct	1 ms	1364 KB	Output is correct
7	Correct	1 ms	1236 KB	Output is correct
8	Correct	1 ms	1364 KB	Output is correct
9	Correct	1 ms	1364 KB	Output is correct
10	Correct	1 ms	1236 KB	Output is correct
11	Correct	1 ms	1364 KB	Output is correct
12	Correct	1 ms	1364 KB	Output is correct
13	Correct	1 ms	1236 KB	Output is correct
14	Correct	6 ms	7636 KB	Output is correct
15	Correct	2 ms	3796 KB	Output is correct
16	Correct	3 ms	4564 KB	Output is correct
17	Correct	1 ms	468 KB	Output is correct
18	Correct	7 ms	8532 KB	Output is correct
19	Correct	6 ms	8404 KB	Output is correct
20	Correct	8 ms	8432 KB	Output is correct
21	Correct	6 ms	8532 KB	Output is correct
22	Correct	5 ms	8404 KB	Output is correct
23	Correct	6 ms	8404 KB	Output is correct
24	Correct	8 ms	8532 KB	Output is correct
25	Correct	6 ms	8392 KB	Output is correct
26	Correct	6 ms	8404 KB	Output is correct
27	Correct	254 ms	156028 KB	Output is correct
28	Correct	9 ms	19592 KB	Output is correct
29	Correct	11 ms	13868 KB	Output is correct
30	Correct	1 ms	852 KB	Output is correct
31	Correct	186 ms	130876 KB	Output is correct
32	Correct	283 ms	160028 KB	Output is correct
33	Correct	226 ms	159776 KB	Output is correct
34	Correct	226 ms	151900 KB	Output is correct
35	Correct	235 ms	160136 KB	Output is correct
36	Correct	232 ms	159740 KB	Output is correct
37	Correct	258 ms	160200 KB	Output is correct
38	Correct	164 ms	130068 KB	Output is correct
39	Correct	169 ms	130460 KB	Output is correct