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Submission #100868

# Submission time Handle Problem Language Result Execution time Memory
100868 2019-03-15T00:21:07 Z TAISA_ Asceticism (JOI18_asceticism) C++14
49 / 100
 15 ms 8448 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -