답안 #379746

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
379746	2021-03-19T08:04:08 Z	nafis_shifat	Asceticism (JOI18_asceticism)	C++14	49 / 100	158 ms	262148 KB

asceticism

#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
using namespace std;
const int mxn=1e5+5;
const int inf=1e9;
const ll mod = 1e9 + 7;
int main() {
	int n,k;

	cin >> n >> k;

	ll dp[n + 1][k + 1] = {};

	dp[1][0] = 1;

	for(int i = 2; i <= n; i++) {
		dp[i][0] = 1;
		for(int j = 1; j <= k; j++) {
			dp[i][j] = (dp[i - 1][j] * (j + 1)) % mod + (dp[i - 1][j - 1] * (i - j) % mod);
			dp[i][j] %= mod;
		}
	}

	cout<<dp[n][k - 1]<<endl;


	
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	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	1 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

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	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	1 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	1 ms	620 KB	Output is correct
15	Correct	2 ms	1004 KB	Output is correct
16	Correct	2 ms	1004 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	620 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct

Subtask #3

25.0 / 25.0

#	결과	실행 시간	메모리	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	1 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	1 ms	620 KB	Output is correct
15	Correct	2 ms	1004 KB	Output is correct
16	Correct	2 ms	1004 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	620 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	5 ms	3820 KB	Output is correct
24	Correct	6 ms	4204 KB	Output is correct
25	Correct	12 ms	7788 KB	Output is correct
26	Correct	11 ms	8172 KB	Output is correct
27	Correct	11 ms	8172 KB	Output is correct
28	Correct	4 ms	2796 KB	Output is correct
29	Correct	1 ms	492 KB	Output is correct
30	Correct	11 ms	7788 KB	Output is correct

Subtask #4

0 / 51.0

#	결과	실행 시간	메모리	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	1 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	1 ms	620 KB	Output is correct
15	Correct	2 ms	1004 KB	Output is correct
16	Correct	2 ms	1004 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	620 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	5 ms	3820 KB	Output is correct
24	Correct	6 ms	4204 KB	Output is correct
25	Correct	12 ms	7788 KB	Output is correct
26	Correct	11 ms	8172 KB	Output is correct
27	Correct	11 ms	8172 KB	Output is correct
28	Correct	4 ms	2796 KB	Output is correct
29	Correct	1 ms	492 KB	Output is correct
30	Correct	11 ms	7788 KB	Output is correct
31	Correct	4 ms	1900 KB	Output is correct
32	Correct	7 ms	5120 KB	Output is correct
33	Runtime error	158 ms	262148 KB	Execution killed with signal 9
34	Halted	0 ms	0 KB	-