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답안 #952706

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
952706 2024-03-24T15:37:03 Z wood Asceticism (JOI18_asceticism) C++17
4 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>  
using namespace std;
 
typedef long long ll;
typedef pair<ll,ll> p64;
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define fast_cin() ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define MOD %1000000007

 int main()
{
    fast_cin();
    #ifndef ONLINE_JUDGE
        #ifdef _WIN32
            freopen("input.in", "r", stdin);
            freopen("input.out", "w", stdout);
        #endif
    #endif
     ll n,k;
    cin>>n>>k;
     ll dp[n][n];
    memset(dp[0],0,sizeof dp[0]);
    dp[0][0] = 1;
    for (size_t i = 1; i < n; i++)
    {
        for (size_t j = 0; j < n; j++)
        {
            if(j==0)
               dp[i][j]=1;
            else dp[i][j]=((j+1)* dp[i-1][j])MOD+((i-j+1)*dp[i-1][j-1])MOD; 
        }
        
    }
    cout<<dp[n-1][k-1];
    return 0;
}

Compilation message

asceticism.cpp: In function 'int main()':
asceticism.cpp:27:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   27 |     for (size_t i = 1; i < n; i++)
      |                        ~~^~~
asceticism.cpp:29:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   29 |         for (size_t j = 0; j < n; j++)
      |                            ~~^~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Incorrect 0 ms 344 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Incorrect 0 ms 344 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Incorrect 0 ms 344 KB Output isn't correct
12 Halted 0 ms 0 KB -