oj.uz

답안 #312096

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
312096 2020-10-12T11:06:55 Z Kripton Asceticism (JOI18_asceticism) C++14
49 / 100
 53 ms 24952 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
const int MOD=1e9+7;
int dp[3005][3005];
int main()
{
#ifdef HOME
    freopen("test.in","r",stdin);
    freopen("test.out","w",stdout);
#endif // HOME
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    int n,k,i,j;
    cin>>n>>k;
    dp[0][0]=1;
    for(i=0; i<=n; i++)
        for(j=0; j<=k; j++)
        {
            dp[i+1][j]=(dp[i+1][j]+1LL*j*dp[i][j])%MOD;
            dp[i+1][j+1]=(dp[i+1][j+1]+1LL*(i+1-j)*dp[i][j])%MOD;
        }
    cout<<dp[n][k];
    return 0;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 768 KB Output is correct
12 Correct 1 ms 1536 KB Output is correct
13 Correct 2 ms 1536 KB Output is correct
14 Correct 2 ms 1664 KB Output is correct
15 Correct 2 ms 1920 KB Output is correct
16 Correct 2 ms 1920 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 2 ms 1536 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 1 ms 384 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 768 KB Output is correct
12 Correct 1 ms 1536 KB Output is correct
13 Correct 2 ms 1536 KB Output is correct
14 Correct 2 ms 1664 KB Output is correct
15 Correct 2 ms 1920 KB Output is correct
16 Correct 2 ms 1920 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 2 ms 1536 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 3 ms 4352 KB Output is correct
22 Correct 3 ms 4352 KB Output is correct
23 Correct 7 ms 6144 KB Output is correct
24 Correct 7 ms 6272 KB Output is correct
25 Correct 10 ms 8064 KB Output is correct
26 Correct 11 ms 8320 KB Output is correct
27 Correct 11 ms 8320 KB Output is correct
28 Correct 5 ms 4096 KB Output is correct
29 Correct 1 ms 1152 KB Output is correct
30 Correct 11 ms 8064 KB Output is correct

Subtask #4
0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 768 KB Output is correct
12 Correct 1 ms 1536 KB Output is correct
13 Correct 2 ms 1536 KB Output is correct
14 Correct 2 ms 1664 KB Output is correct
15 Correct 2 ms 1920 KB Output is correct
16 Correct 2 ms 1920 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 2 ms 1536 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 3 ms 4352 KB Output is correct
22 Correct 3 ms 4352 KB Output is correct
23 Correct 7 ms 6144 KB Output is correct
24 Correct 7 ms 6272 KB Output is correct
25 Correct 10 ms 8064 KB Output is correct
26 Correct 11 ms 8320 KB Output is correct
27 Correct 11 ms 8320 KB Output is correct
28 Correct 5 ms 4096 KB Output is correct
29 Correct 1 ms 1152 KB Output is correct
30 Correct 11 ms 8064 KB Output is correct
31 Runtime error 53 ms 24952 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Halted 0 ms 0 KB -