oj.uz

Submission #850936

# Submission time Handle Problem Language Result Execution time Memory
850936 2023-09-17T23:35:26 Z Itamar NoM (RMI21_nom) C++14
52 / 100
 87 ms 45652 KB 
#include <iostream>
using namespace std;
#include <vector>
#define ll long long
#define pll pair<ll,ll>
#define vll vector<ll>

const int siz = 2001;
ll dp[siz][siz];
ll fac[siz];
ll c[siz][siz];
const int mod = 1e9 + 7;
int main()
{
    int n, m;
    cin >> n >> m;
    dp[0][0] = 1;
    fac[0] = 1;
    for (int i = 1; i < siz; i++) {
        fac[i] = (i * fac[i - 1]) % mod;
    }
    for (int i = 0; i < siz; i++) {
        for (int j = 0; j < siz; j++) {
            if (j == 0)c[i][j] = 1;
            else if (i == 0)c[i][j] = 0;
            else c[i][j] = (c[i - 1][j] + c[i - 1][j - 1]) % mod;
        }
    }
    for (int i = 1; i <= m; i++) {
        int pile = ((2 * n) / m) + (i <= (2 * n) % m);
        for (int j = 0; j <= 2 * n; j++) {
            for (int k = 0; k<=j && j+pile>=2*k&& k<=pile; k++) {
                dp[i][j] =(dp[i][j]+(((dp[i - 1][j + pile - 2 * k] * ((c[j + pile - 2 * k][j - k] * fac[pile - k]) % mod)) % mod)* c[pile][k]) % mod)%mod;
            }
        }
    }
    for (int i = 0; i < n; i++) {
        dp[m][0]=(2*dp[m][0])%mod;
    }
    dp[m][0] = (dp[m][0] * fac[n]) % mod;
    cout << dp[m][0];

}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 33368 KB Output is correct
2 Correct 9 ms 33372 KB Output is correct
3 Correct 10 ms 33424 KB Output is correct
4 Correct 9 ms 33372 KB Output is correct
5 Correct 10 ms 33372 KB Output is correct
6 Correct 9 ms 33372 KB Output is correct
7 Correct 9 ms 33372 KB Output is correct
8 Correct 9 ms 33412 KB Output is correct
9 Correct 9 ms 33372 KB Output is correct
10 Correct 9 ms 33372 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 33368 KB Output is correct
2 Correct 9 ms 33372 KB Output is correct
3 Correct 10 ms 33424 KB Output is correct
4 Correct 9 ms 33372 KB Output is correct
5 Correct 10 ms 33372 KB Output is correct
6 Correct 9 ms 33372 KB Output is correct
7 Correct 9 ms 33372 KB Output is correct
8 Correct 9 ms 33412 KB Output is correct
9 Correct 9 ms 33372 KB Output is correct
10 Correct 9 ms 33372 KB Output is correct
11 Correct 10 ms 33452 KB Output is correct
12 Correct 10 ms 33432 KB Output is correct
13 Correct 10 ms 33372 KB Output is correct
14 Correct 10 ms 33468 KB Output is correct
15 Correct 10 ms 33372 KB Output is correct
16 Correct 10 ms 33368 KB Output is correct
17 Correct 9 ms 33368 KB Output is correct
18 Correct 10 ms 33432 KB Output is correct
19 Correct 9 ms 33372 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 33368 KB Output is correct
2 Correct 9 ms 33372 KB Output is correct
3 Correct 10 ms 33424 KB Output is correct
4 Correct 9 ms 33372 KB Output is correct
5 Correct 10 ms 33372 KB Output is correct
6 Correct 9 ms 33372 KB Output is correct
7 Correct 9 ms 33372 KB Output is correct
8 Correct 9 ms 33412 KB Output is correct
9 Correct 9 ms 33372 KB Output is correct
10 Correct 9 ms 33372 KB Output is correct
11 Correct 10 ms 33452 KB Output is correct
12 Correct 10 ms 33432 KB Output is correct
13 Correct 10 ms 33372 KB Output is correct
14 Correct 10 ms 33468 KB Output is correct
15 Correct 10 ms 33372 KB Output is correct
16 Correct 10 ms 33368 KB Output is correct
17 Correct 9 ms 33368 KB Output is correct
18 Correct 10 ms 33432 KB Output is correct
19 Correct 9 ms 33372 KB Output is correct
20 Correct 10 ms 33440 KB Output is correct
21 Correct 11 ms 33368 KB Output is correct
22 Correct 14 ms 34652 KB Output is correct
23 Correct 11 ms 33372 KB Output is correct
24 Correct 13 ms 33628 KB Output is correct
25 Correct 13 ms 34392 KB Output is correct
26 Correct 11 ms 33372 KB Output is correct
27 Correct 14 ms 34908 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 33368 KB Output is correct
2 Correct 9 ms 33372 KB Output is correct
3 Correct 10 ms 33424 KB Output is correct
4 Correct 9 ms 33372 KB Output is correct
5 Correct 10 ms 33372 KB Output is correct
6 Correct 9 ms 33372 KB Output is correct
7 Correct 9 ms 33372 KB Output is correct
8 Correct 9 ms 33412 KB Output is correct
9 Correct 9 ms 33372 KB Output is correct
10 Correct 9 ms 33372 KB Output is correct
11 Correct 10 ms 33452 KB Output is correct
12 Correct 10 ms 33432 KB Output is correct
13 Correct 10 ms 33372 KB Output is correct
14 Correct 10 ms 33468 KB Output is correct
15 Correct 10 ms 33372 KB Output is correct
16 Correct 10 ms 33368 KB Output is correct
17 Correct 9 ms 33368 KB Output is correct
18 Correct 10 ms 33432 KB Output is correct
19 Correct 9 ms 33372 KB Output is correct
20 Correct 10 ms 33440 KB Output is correct
21 Correct 11 ms 33368 KB Output is correct
22 Correct 14 ms 34652 KB Output is correct
23 Correct 11 ms 33372 KB Output is correct
24 Correct 13 ms 33628 KB Output is correct
25 Correct 13 ms 34392 KB Output is correct
26 Correct 11 ms 33372 KB Output is correct
27 Correct 14 ms 34908 KB Output is correct
28 Correct 22 ms 33372 KB Output is correct
29 Correct 26 ms 36512 KB Output is correct
30 Correct 31 ms 40016 KB Output is correct
31 Correct 22 ms 33372 KB Output is correct
32 Correct 26 ms 36952 KB Output is correct
33 Correct 34 ms 41556 KB Output is correct
34 Correct 49 ms 45652 KB Output is correct

Subtask #5
0 / 48.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 33368 KB Output is correct
2 Correct 9 ms 33372 KB Output is correct
3 Correct 10 ms 33424 KB Output is correct
4 Correct 9 ms 33372 KB Output is correct
5 Correct 10 ms 33372 KB Output is correct
6 Correct 9 ms 33372 KB Output is correct
7 Correct 9 ms 33372 KB Output is correct
8 Correct 9 ms 33412 KB Output is correct
9 Correct 9 ms 33372 KB Output is correct
10 Correct 9 ms 33372 KB Output is correct
11 Correct 10 ms 33452 KB Output is correct
12 Correct 10 ms 33432 KB Output is correct
13 Correct 10 ms 33372 KB Output is correct
14 Correct 10 ms 33468 KB Output is correct
15 Correct 10 ms 33372 KB Output is correct
16 Correct 10 ms 33368 KB Output is correct
17 Correct 9 ms 33368 KB Output is correct
18 Correct 10 ms 33432 KB Output is correct
19 Correct 9 ms 33372 KB Output is correct
20 Correct 10 ms 33440 KB Output is correct
21 Correct 11 ms 33368 KB Output is correct
22 Correct 14 ms 34652 KB Output is correct
23 Correct 11 ms 33372 KB Output is correct
24 Correct 13 ms 33628 KB Output is correct
25 Correct 13 ms 34392 KB Output is correct
26 Correct 11 ms 33372 KB Output is correct
27 Correct 14 ms 34908 KB Output is correct
28 Correct 22 ms 33372 KB Output is correct
29 Correct 26 ms 36512 KB Output is correct
30 Correct 31 ms 40016 KB Output is correct
31 Correct 22 ms 33372 KB Output is correct
32 Correct 26 ms 36952 KB Output is correct
33 Correct 34 ms 41556 KB Output is correct
34 Correct 49 ms 45652 KB Output is correct
35 Incorrect 87 ms 33372 KB Output isn't correct
36 Halted 0 ms 0 KB -