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Submission #474620

# Submission time Handle Problem Language Result Execution time Memory
474620 2021-09-19T08:09:14 Z prvocislo Asceticism (JOI18_asceticism) C++17
49 / 100
 46 ms 24964 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
typedef long long ll;
using namespace std;

const int maxn = 3005, mod = 1e9 + 7;
int dp[maxn][maxn];
int mul(const int& a, const int& b) { return (a * 1ll * b) % (ll)mod; }
void upd(int& a, const int& b) { a = (a + b) % mod; }
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	int N, K;
	cin >> N >> K;
	dp[1][1] = 1;
	for (int n = 2; n <= N; n++) for (int k = 1; k <= min(K, n); k++)
	{
		upd(dp[n][k], mul(dp[n - 1][k], k)); // umiestnime ho na koniec jedneho z k usekov
		upd(dp[n][k], mul(dp[n - 1][k - 1], n - k + 1)); //  umiestnime ho inde a vytvorime novy usek
	}
	cout << dp[N][K] << "\n";
	return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 716 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 1 ms 1484 KB Output is correct
14 Correct 2 ms 1612 KB Output is correct
15 Correct 2 ms 1612 KB Output is correct
16 Correct 2 ms 1612 KB Output is correct
17 Correct 1 ms 1100 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 1 ms 844 KB Output is correct
20 Correct 1 ms 320 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 716 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 1 ms 1484 KB Output is correct
14 Correct 2 ms 1612 KB Output is correct
15 Correct 2 ms 1612 KB Output is correct
16 Correct 2 ms 1612 KB Output is correct
17 Correct 1 ms 1100 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 1 ms 844 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 3 ms 4300 KB Output is correct
22 Correct 3 ms 4300 KB Output is correct
23 Correct 6 ms 5708 KB Output is correct
24 Correct 7 ms 5708 KB Output is correct
25 Correct 9 ms 6220 KB Output is correct
26 Correct 8 ms 6300 KB Output is correct
27 Correct 9 ms 6220 KB Output is correct
28 Correct 4 ms 3404 KB Output is correct
29 Correct 1 ms 1100 KB Output is correct
30 Correct 8 ms 6220 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 716 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 1 ms 1484 KB Output is correct
14 Correct 2 ms 1612 KB Output is correct
15 Correct 2 ms 1612 KB Output is correct
16 Correct 2 ms 1612 KB Output is correct
17 Correct 1 ms 1100 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 1 ms 844 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 3 ms 4300 KB Output is correct
22 Correct 3 ms 4300 KB Output is correct
23 Correct 6 ms 5708 KB Output is correct
24 Correct 7 ms 5708 KB Output is correct
25 Correct 9 ms 6220 KB Output is correct
26 Correct 8 ms 6300 KB Output is correct
27 Correct 9 ms 6220 KB Output is correct
28 Correct 4 ms 3404 KB Output is correct
29 Correct 1 ms 1100 KB Output is correct
30 Correct 8 ms 6220 KB Output is correct
31 Runtime error 46 ms 24964 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -