#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
ll mod = 1e9+7;
int n, t;
ll dp[209][209][209];
ll f(int a, int b, int ab){
if(dp[a][b][ab] == -2)
return 0;
if(dp[a][b][ab] != -1)
return dp[a][b][ab];
if(a == 0 && b == 0)
return dp[a][b][ab] = 1;
dp[a][b][ab] = -2;
ll ret = 0;
int c = a-ab+b-ab;
if(a-ab > 0)
ret += (a-ab)*f(b+1, c, b-ab+1)%mod;
ret %= mod;
if(ab > 0)
ret += ab*f(b-1, c, b-ab)%mod;
ret %= mod;
//cout << a << ' ' << b << ' ' << ab << ' ' << dp[a][b][ab] << '\n';
return (dp[a][b][ab] = ret);
}
vector<int> clean(vector<int> v){
sort(all(v));
vector<int> ret;
for(int i = 0; i < v.size(); ++i){
if(i == v.size()-1 || v[i] != v[i+1])
ret.pb(v[i]);
else
++i;
}
return ret;
}
void solve(){
vector<int> a(2*n), b(2*n), c(2*n);
for(int i = 0; i < 2*n; ++i)
cin >> a[i];
for(int i = 0; i < 2*n; ++i)
cin >> b[i];
for(int i = 0; i < 2*n; ++i)
cin >> c[i];
a = clean(a);
b = clean(b);
int abcon = 0;
for(int i = 0; i < a.size(); ++i)
for(int j = 0; j < b.size(); ++j)
if(a[i] == b[j])
abcon++;
for(int i = 0; i <= 200; ++i)
for(int j = 0; j <= 200; ++j)
for(int k = 0; k <= 200; ++k)
dp[i][j][k] = -1;
cout << f(a.size(), b.size(), abcon) << '\n';
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("in.txt", "r", stdin);
//freopen("out.txt", "w", stdout);
cin >> n >> t;
while(t--){
solve();
}
}
Compilation message
fishing.cpp: In function 'std::vector<int> clean(std::vector<int>)':
fishing.cpp:41:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | for(int i = 0; i < v.size(); ++i){
| ~~^~~~~~~~~~
fishing.cpp:42:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
42 | if(i == v.size()-1 || v[i] != v[i+1])
| ~~^~~~~~~~~~~~~
fishing.cpp: In function 'void solve()':
fishing.cpp:60:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
60 | for(int i = 0; i < a.size(); ++i)
| ~~^~~~~~~~~~
fishing.cpp:61:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
61 | for(int j = 0; j < b.size(); ++j)
| ~~^~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
57 ms |
67192 KB |
Output isn't correct |
| 2 |
Incorrect |
81 ms |
67192 KB |
Output isn't correct |
| 3 |
Incorrect |
76 ms |
67192 KB |
Output isn't correct |
| 4 |
Incorrect |
86 ms |
67320 KB |
Output isn't correct |
| 5 |
Incorrect |
148 ms |
67296 KB |
Output isn't correct |
| 6 |
Incorrect |
180 ms |
67192 KB |
Output isn't correct |
| 7 |
Incorrect |
206 ms |
67320 KB |
Output isn't correct |
| 8 |
Incorrect |
259 ms |
67320 KB |
Output isn't correct |
| 9 |
Incorrect |
299 ms |
67320 KB |
Output isn't correct |
| 10 |
Incorrect |
406 ms |
67416 KB |
Output isn't correct |
