#include <bits/stdc++.h>
#define sz(z) ( (int)z.size() )
using namespace std;
ifstream in("in.in");
ofstream out("out.out");
int n,c[10],sol = 0;
bool discard(vector<int> &v) {
bool eliminated = false;
for (int i = 0; i + 1 < sz(v); i++) {
for (int j = i + 1; j < sz(v); j++) {
if (v[i] == v[j]) {
swap(v[i] , v[sz(v) - 1]);
v.pop_back();
swap(v[j] , v[sz(v) - 1]);
v.pop_back();
eliminated = true;
}
}
}
return eliminated;
}
void back(int round, vector<int> v[3], bool eliminated) {
int mround = round % 3;
if (mround == 0 && eliminated == 0) {
sol++;
return;
} else if (sol == 0) eliminated = 0;
int l = mround, r = (mround + 1) % 3;
if (sz(v[l]) == 0) {
back(round + 1 , v , eliminated);
} else {
for (int i = 0; i < sz(v[l]); i++) {
vector<int> newv[3] = {v[0] , v[1] , v[2]};
int x = newv[l][i];
swap(newv[l][i] , newv[l][sz(newv[l]) - 1]);
newv[l].pop_back();
newv[r].push_back(x);
eliminated = discard(newv[r]);
back(round + 1, newv, eliminated);
}
}
// cout << "\n";
}
int main() {
int t;
cin >> t;
while (t--) {
cin >> n;
vector<int> v[3];
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 2 * n; j++) {
int x;
cin >> x;
v[i].push_back(x);
}
}
sol = 0;
for (int i = 0; i < 3; i++) discard(v[i]);
back(0 , v , 1);
// cout << "\n";
cout << sol << "\n";
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 2 |
Execution timed out |
2086 ms |
204 KB |
Time limit exceeded |
| 3 |
Execution timed out |
2088 ms |
204 KB |
Time limit exceeded |
| 4 |
Execution timed out |
2066 ms |
204 KB |
Time limit exceeded |
| 5 |
Execution timed out |
2084 ms |
204 KB |
Time limit exceeded |
| 6 |
Execution timed out |
2065 ms |
324 KB |
Time limit exceeded |
| 7 |
Execution timed out |
2080 ms |
204 KB |
Time limit exceeded |
| 8 |
Execution timed out |
2079 ms |
484 KB |
Time limit exceeded |
| 9 |
Execution timed out |
2087 ms |
380 KB |
Time limit exceeded |
| 10 |
Execution timed out |
2089 ms |
556 KB |
Time limit exceeded |
