#include <bits/stdc++.h>
#include <unordered_map>
#include <unordered_set>
#define endl '\n'
#define fast ios::sync_with_stdio(0), cin.tie(0)
#define debug cout << "ok" << endl
#define finish(x) return cout << x << endl, 0
typedef long long ll;
typedef long double ldb;
const int md = 1e9 + 7, inf = 1e9 + 7;
const ll hs = 199;
const ldb eps = 1e-9, pi = acos(-1);
using namespace std;
int n, m, k;
vector<int> c;
vector<vector<int>> g;
vector<ll> dp[32];
ll calc(int v, int mask) {
if ((mask & (1 << c[v])) == 0) return 0;
if (dp[mask][v] != -1) return dp[mask][v];
if (mask == (1 << c[v])) return dp[mask][v] = 1;
dp[mask][v] = 0;
for (const auto &i : g[v]) {
dp[mask][v] += calc(i, mask ^ (1 << c[v]));
}
return dp[mask][v];
}
int main() {
fast;
cin >> n >> m >> k;
c.resize(n);
for (auto &i : c) cin >> i, --i;
g.resize(n);
for (int i = 0, u, v; i < m; i++) {
cin >> u >> v;
--u, --v;
g[u].push_back(v);
g[v].push_back(u);
}
for (int i = 0; i < (1 << k); i++) dp[i].resize(n, -1);
ll ans = 0;
for (int i = 0; i < n; i++) for (int mask = 0; mask < (1 << k); mask++)
if (mask != (mask & -mask))
ans += calc(i, mask);
finish(ans);
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
504 KB |
Output is correct |
| 2 |
Correct |
2 ms |
632 KB |
Output is correct |
| 3 |
Correct |
2 ms |
632 KB |
Output is correct |
| 4 |
Correct |
3 ms |
636 KB |
Output is correct |
| 5 |
Correct |
2 ms |
636 KB |
Output is correct |
| 6 |
Correct |
2 ms |
636 KB |
Output is correct |
| 7 |
Correct |
2 ms |
796 KB |
Output is correct |
| 8 |
Correct |
2 ms |
796 KB |
Output is correct |
| 9 |
Correct |
2 ms |
796 KB |
Output is correct |
| 10 |
Correct |
2 ms |
796 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
111 ms |
7724 KB |
Output is correct |
| 2 |
Correct |
78 ms |
9436 KB |
Output is correct |
| 3 |
Correct |
459 ms |
45768 KB |
Output is correct |
| 4 |
Correct |
176 ms |
45768 KB |
Output is correct |
| 5 |
Correct |
119 ms |
45768 KB |
Output is correct |
| 6 |
Correct |
303 ms |
46364 KB |
Output is correct |
| 7 |
Correct |
451 ms |
61072 KB |
Output is correct |
| 8 |
Correct |
440 ms |
66364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
504 KB |
Output is correct |
| 2 |
Correct |
2 ms |
632 KB |
Output is correct |
| 3 |
Correct |
2 ms |
632 KB |
Output is correct |
| 4 |
Correct |
3 ms |
636 KB |
Output is correct |
| 5 |
Correct |
2 ms |
636 KB |
Output is correct |
| 6 |
Correct |
2 ms |
636 KB |
Output is correct |
| 7 |
Correct |
2 ms |
796 KB |
Output is correct |
| 8 |
Correct |
2 ms |
796 KB |
Output is correct |
| 9 |
Correct |
2 ms |
796 KB |
Output is correct |
| 10 |
Correct |
2 ms |
796 KB |
Output is correct |
| 11 |
Correct |
111 ms |
7724 KB |
Output is correct |
| 12 |
Correct |
78 ms |
9436 KB |
Output is correct |
| 13 |
Correct |
459 ms |
45768 KB |
Output is correct |
| 14 |
Correct |
176 ms |
45768 KB |
Output is correct |
| 15 |
Correct |
119 ms |
45768 KB |
Output is correct |
| 16 |
Correct |
303 ms |
46364 KB |
Output is correct |
| 17 |
Correct |
451 ms |
61072 KB |
Output is correct |
| 18 |
Correct |
440 ms |
66364 KB |
Output is correct |
| 19 |
Correct |
103 ms |
66364 KB |
Output is correct |
| 20 |
Correct |
80 ms |
66364 KB |
Output is correct |
| 21 |
Correct |
463 ms |
75244 KB |
Output is correct |
| 22 |
Correct |
128 ms |
75244 KB |
Output is correct |
| 23 |
Correct |
117 ms |
75244 KB |
Output is correct |
| 24 |
Correct |
316 ms |
75924 KB |
Output is correct |
| 25 |
Correct |
461 ms |
90744 KB |
Output is correct |
| 26 |
Correct |
469 ms |
95620 KB |
Output is correct |
| 27 |
Correct |
101 ms |
95620 KB |
Output is correct |
| 28 |
Correct |
135 ms |
95620 KB |
Output is correct |
| 29 |
Correct |
656 ms |
123472 KB |
Output is correct |
| 30 |
Correct |
435 ms |
123472 KB |
Output is correct |
| 31 |
Correct |
481 ms |
123472 KB |
Output is correct |
| 32 |
Correct |
653 ms |
135916 KB |
Output is correct |
| 33 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 34 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 35 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 36 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 37 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 38 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 39 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 40 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 41 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 42 |
Correct |
2 ms |
135916 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 2 |
Correct |
68 ms |
135916 KB |
Output is correct |
| 3 |
Correct |
26 ms |
135916 KB |
Output is correct |
| 4 |
Correct |
115 ms |
135916 KB |
Output is correct |
| 5 |
Correct |
87 ms |
135916 KB |
Output is correct |
| 6 |
Correct |
274 ms |
135916 KB |
Output is correct |
| 7 |
Correct |
34 ms |
135916 KB |
Output is correct |
| 8 |
Correct |
167 ms |
135916 KB |
Output is correct |
| 9 |
Correct |
109 ms |
135916 KB |
Output is correct |
| 10 |
Correct |
139 ms |
135916 KB |
Output is correct |
| 11 |
Correct |
134 ms |
135916 KB |
Output is correct |
| 12 |
Correct |
132 ms |
135916 KB |
Output is correct |
| 13 |
Correct |
131 ms |
135916 KB |
Output is correct |
| 14 |
Correct |
244 ms |
135916 KB |
Output is correct |
| 15 |
Correct |
272 ms |
135916 KB |
Output is correct |
| 16 |
Correct |
3 ms |
135916 KB |
Output is correct |
| 17 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 18 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 19 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 20 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 21 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 22 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 23 |
Correct |
2 ms |
135916 KB |
Output is correct |
| 24 |
Correct |
3 ms |
135916 KB |
Output is correct |
| 25 |
Correct |
3 ms |
135916 KB |
Output is correct |
