답안 #56853

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
56853	2018-07-12T21:33:05 Z	ksun48	Asceticism (JOI18_asceticism)	C++14	49 / 100	14 ms	7800 KB

asceticism

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;

const LL MOD = 1000000007;

int main(){
	int n, k;
	cin >> n >> k;
	n--;
	k--;
	LL dp[n+1][n+1];
	for(LL i = 0; i <= n; i++){
		for(LL j = 0; j <= i; j++){
			dp[i][j] = 0;
			if(i == 0 && j == 0){
				dp[i][j] = 1;
			}
			if(i > 0){
				if(j > 0){
					dp[i][j] += dp[i-1][j-1] * (i+1-j);
				}
				if(j < i){
					dp[i][j] += dp[i-1][j] * (j+1);
				}
			}
			dp[i][j] %= MOD;
		}
	}
	cout << dp[n][k] << '\n';

}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	2 ms	484 KB	Output is correct
3	Correct	2 ms	524 KB	Output is correct
4	Correct	2 ms	672 KB	Output is correct
5	Correct	2 ms	672 KB	Output is correct
6	Correct	2 ms	756 KB	Output is correct
7	Correct	2 ms	756 KB	Output is correct
8	Correct	2 ms	756 KB	Output is correct
9	Correct	2 ms	756 KB	Output is correct
10	Correct	2 ms	756 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	2 ms	484 KB	Output is correct
3	Correct	2 ms	524 KB	Output is correct
4	Correct	2 ms	672 KB	Output is correct
5	Correct	2 ms	672 KB	Output is correct
6	Correct	2 ms	756 KB	Output is correct
7	Correct	2 ms	756 KB	Output is correct
8	Correct	2 ms	756 KB	Output is correct
9	Correct	2 ms	756 KB	Output is correct
10	Correct	2 ms	756 KB	Output is correct
11	Correct	2 ms	788 KB	Output is correct
12	Correct	2 ms	1560 KB	Output is correct
13	Correct	2 ms	1560 KB	Output is correct
14	Correct	2 ms	1560 KB	Output is correct
15	Correct	3 ms	1560 KB	Output is correct
16	Correct	3 ms	1560 KB	Output is correct
17	Correct	3 ms	1560 KB	Output is correct
18	Correct	2 ms	1560 KB	Output is correct
19	Correct	2 ms	1560 KB	Output is correct
20	Correct	2 ms	1560 KB	Output is correct

Subtask #3

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	2 ms	484 KB	Output is correct
3	Correct	2 ms	524 KB	Output is correct
4	Correct	2 ms	672 KB	Output is correct
5	Correct	2 ms	672 KB	Output is correct
6	Correct	2 ms	756 KB	Output is correct
7	Correct	2 ms	756 KB	Output is correct
8	Correct	2 ms	756 KB	Output is correct
9	Correct	2 ms	756 KB	Output is correct
10	Correct	2 ms	756 KB	Output is correct
11	Correct	2 ms	788 KB	Output is correct
12	Correct	2 ms	1560 KB	Output is correct
13	Correct	2 ms	1560 KB	Output is correct
14	Correct	2 ms	1560 KB	Output is correct
15	Correct	3 ms	1560 KB	Output is correct
16	Correct	3 ms	1560 KB	Output is correct
17	Correct	3 ms	1560 KB	Output is correct
18	Correct	2 ms	1560 KB	Output is correct
19	Correct	2 ms	1560 KB	Output is correct
20	Correct	2 ms	1560 KB	Output is correct
21	Correct	8 ms	7800 KB	Output is correct
22	Correct	8 ms	7800 KB	Output is correct
23	Correct	9 ms	7800 KB	Output is correct
24	Correct	9 ms	7800 KB	Output is correct
25	Correct	12 ms	7800 KB	Output is correct
26	Correct	11 ms	7800 KB	Output is correct
27	Correct	14 ms	7800 KB	Output is correct
28	Correct	7 ms	7800 KB	Output is correct
29	Correct	3 ms	7800 KB	Output is correct
30	Correct	11 ms	7800 KB	Output is correct

Subtask #4

0 / 51.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	2 ms	484 KB	Output is correct
3	Correct	2 ms	524 KB	Output is correct
4	Correct	2 ms	672 KB	Output is correct
5	Correct	2 ms	672 KB	Output is correct
6	Correct	2 ms	756 KB	Output is correct
7	Correct	2 ms	756 KB	Output is correct
8	Correct	2 ms	756 KB	Output is correct
9	Correct	2 ms	756 KB	Output is correct
10	Correct	2 ms	756 KB	Output is correct
11	Correct	2 ms	788 KB	Output is correct
12	Correct	2 ms	1560 KB	Output is correct
13	Correct	2 ms	1560 KB	Output is correct
14	Correct	2 ms	1560 KB	Output is correct
15	Correct	3 ms	1560 KB	Output is correct
16	Correct	3 ms	1560 KB	Output is correct
17	Correct	3 ms	1560 KB	Output is correct
18	Correct	2 ms	1560 KB	Output is correct
19	Correct	2 ms	1560 KB	Output is correct
20	Correct	2 ms	1560 KB	Output is correct
21	Correct	8 ms	7800 KB	Output is correct
22	Correct	8 ms	7800 KB	Output is correct
23	Correct	9 ms	7800 KB	Output is correct
24	Correct	9 ms	7800 KB	Output is correct
25	Correct	12 ms	7800 KB	Output is correct
26	Correct	11 ms	7800 KB	Output is correct
27	Correct	14 ms	7800 KB	Output is correct
28	Correct	7 ms	7800 KB	Output is correct
29	Correct	3 ms	7800 KB	Output is correct
30	Correct	11 ms	7800 KB	Output is correct
31	Runtime error	3 ms	7800 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
32	Halted	0 ms	0 KB	-