답안 #100868

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
100868	2019-03-15T00:21:07 Z	TAISA_	Asceticism (JOI18_asceticism)	C++14	49 / 100	15 ms	8448 KB

asceticism

#include<bits/stdc++.h>
#define all(vec) vec.begin(),vec.end()
using namespace std;
using ll=long long;
const ll MOD=1000000007LL;
template<typename T> void chmax(T &a,T b){a=max(a,b);}
template<typename T> void chmin(T &a,T b){a=min(a,b);} 
int main(){
	ll n,k;cin>>n>>k;if(n>3000)return 0;
	vector<vector<ll>> dp(n+10,vector<ll>(n+10));
	dp[0][0]=1;
	for(ll i=1;i<=n;i++){
		for(ll j=0;j<i;j++){//i+1通り挿入できる
			dp[i][j]+=dp[i-1][j]*(j+1LL)%MOD;
			if(j>0){
				dp[i][j]+=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	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	432 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	432 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	4 ms	1152 KB	Output is correct
13	Correct	3 ms	1152 KB	Output is correct
14	Correct	3 ms	1024 KB	Output is correct
15	Correct	3 ms	1152 KB	Output is correct
16	Correct	3 ms	1024 KB	Output is correct
17	Correct	2 ms	640 KB	Output is correct
18	Correct	3 ms	896 KB	Output is correct
19	Correct	3 ms	512 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct

Subtask #3

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	432 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	4 ms	1152 KB	Output is correct
13	Correct	3 ms	1152 KB	Output is correct
14	Correct	3 ms	1024 KB	Output is correct
15	Correct	3 ms	1152 KB	Output is correct
16	Correct	3 ms	1024 KB	Output is correct
17	Correct	2 ms	640 KB	Output is correct
18	Correct	3 ms	896 KB	Output is correct
19	Correct	3 ms	512 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	13 ms	8292 KB	Output is correct
22	Correct	15 ms	8448 KB	Output is correct
23	Correct	12 ms	8320 KB	Output is correct
24	Correct	11 ms	8320 KB	Output is correct
25	Correct	11 ms	8448 KB	Output is correct
26	Correct	14 ms	8320 KB	Output is correct
27	Correct	12 ms	8364 KB	Output is correct
28	Correct	6 ms	3328 KB	Output is correct
29	Correct	2 ms	612 KB	Output is correct
30	Correct	12 ms	8192 KB	Output is correct

Subtask #4

0 / 51.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	432 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	4 ms	1152 KB	Output is correct
13	Correct	3 ms	1152 KB	Output is correct
14	Correct	3 ms	1024 KB	Output is correct
15	Correct	3 ms	1152 KB	Output is correct
16	Correct	3 ms	1024 KB	Output is correct
17	Correct	2 ms	640 KB	Output is correct
18	Correct	3 ms	896 KB	Output is correct
19	Correct	3 ms	512 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	13 ms	8292 KB	Output is correct
22	Correct	15 ms	8448 KB	Output is correct
23	Correct	12 ms	8320 KB	Output is correct
24	Correct	11 ms	8320 KB	Output is correct
25	Correct	11 ms	8448 KB	Output is correct
26	Correct	14 ms	8320 KB	Output is correct
27	Correct	12 ms	8364 KB	Output is correct
28	Correct	6 ms	3328 KB	Output is correct
29	Correct	2 ms	612 KB	Output is correct
30	Correct	12 ms	8192 KB	Output is correct
31	Incorrect	3 ms	384 KB	Output isn't correct
32	Halted	0 ms	0 KB	-