#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 305;
const int Mod = 1e9 + 7;
int dp[N][N][N];
int ct = 0, ii, jj, kk;
/*
i : 0 1 1
j : 1 0 1
k: 1 1 0
*/
int norm(int x) { if(x >= Mod) return x - Mod; return x; }
int res(int i, int j, int k)
{
if(i < 0 || j < 0 || k < 0) return 0;
if(dp[i][j][k] != -1) return dp[i][j][k];
dp[i][j][k] = 0;
///1 delete + 2 swaps
dp[i][j][k] = norm(dp[i][j][k] + res(i, j, k - 1));
dp[i][j][k] = norm(dp[i][j][k] + res(i, j - 1, k));
dp[i][j][k] = norm(dp[i][j][k] + res(i - 1, j, k));
///2 deletes + 1 swap
dp[i][j][k] = norm(dp[i][j][k] + res(i - 1, j + 1, k - 2));
dp[i][j][k] = norm(dp[i][j][k] + res(i + 1, j - 2, k - 1));
dp[i][j][k] = norm(dp[i][j][k] + res(i - 2, j - 1, k + 1));
///3 deletes
dp[i][j][k] = norm(dp[i][j][k] + res(i - 1, j - 1, k - 1));
return dp[i][j][k];
}
int r[N];
int main()
{
int n, t;
cin >> n >> t;
for(int i = 1; i <= t; i++) {
for(int i = 0; i < N; i++)
for(int j = 0; j < N; j++)
for(int k = 0; k < N; k++)
dp[i][j][k] = -1;
dp[0][0][0] = 1;
for(int i = 1; i < N; i++)
dp[i][0][0] = dp[0][i][0] = dp[0][0][i] = i * dp[0][0][i - 1] % Mod;
fill(r, r + N, 0);
for(int j : {0, 1, 2})
for(int i = 1, x; i <= 2 * n; i++) {
cin >> x;
r[x] |= 1 << j;
}
ii = jj = kk = 0;
for(int i = 1; i <= 3 * n; i++)
if(r[i] == 6) ii++;
else if(r[i] == 5) jj++;
else if(r[i] == 3) kk++;
cout << res(ii, jj, kk) << "\n";
}
return 0;
}
/*
1 10
1 2
3 3
2 1
1 2
3 3
2 1
1 2
3 3
2 1
1 2
3 3
2 1
1 2
3 3
2 1
1 2
3 3
2 1
1 2
3 3
2 1
1 2
3 3
2 1
1 2
3 3
2 1
1 2
3 3
2 1
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
69 ms |
111336 KB |
Output isn't correct |
2 |
Incorrect |
90 ms |
111236 KB |
Output isn't correct |
3 |
Incorrect |
90 ms |
111308 KB |
Output isn't correct |
4 |
Incorrect |
98 ms |
111216 KB |
Output isn't correct |
5 |
Incorrect |
178 ms |
111356 KB |
Output isn't correct |
6 |
Incorrect |
217 ms |
111360 KB |
Output isn't correct |
7 |
Incorrect |
242 ms |
111308 KB |
Output isn't correct |
8 |
Incorrect |
299 ms |
111368 KB |
Output isn't correct |
9 |
Incorrect |
346 ms |
111364 KB |
Output isn't correct |
10 |
Incorrect |
440 ms |
111368 KB |
Output isn't correct |