| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1015759 |
2024-07-06T18:06:26 Z |
phoenix |
Paths (BOI18_paths) |
C++17 |
|
313 ms |
70736 KB |
#include <bits/stdc++.h>
using namespace std;
const int N = 300100;
int n, m, k;
vector<int> g[N];
int color[N];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m >> k;
for (int i = 1; i <= n; i++) {
cin >> color[i];
color[i]--;
}
for (int i = 1; i <= m; i++) {
int u, v;
cin >> u >> v;
g[u].push_back(v);
g[v].push_back(u);
}
vector<int> ord((1 << k) - 1);
iota(ord.begin(), ord.end(), 1);
sort(ord.begin(), ord.end(), [&](int a, int b) {
return __builtin_popcount(a) <= __builtin_popcount(b);
});
vector<vector<long long>> dp(n + 1, vector<long long>(1 << k));
for (int i = 1; i <= n; i++) {
dp[i][(1 << color[i])] = 1;
}
for (int msk : ord) {
for (int v = 1; v <= n; v++) {
for (int to : g[v]) {
if (msk >> color[to] & 1) continue;
dp[to][msk | (1 << color[to])] += dp[v][msk];
}
}
}
long long ans = 0;
for (int i = 1; i <= n; i++) {
for (int msk = 1; msk < (1 << k); msk++) {
if (__builtin_popcount(msk) < 2) continue;
ans += dp[i][msk];
}
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 2 |
Correct |
1 ms |
8284 KB |
Output is correct |
| 3 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 4 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 5 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 6 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 7 |
Correct |
1 ms |
8284 KB |
Output is correct |
| 8 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 9 |
Correct |
1 ms |
8284 KB |
Output is correct |
| 10 |
Correct |
1 ms |
8284 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
57 ms |
12116 KB |
Output is correct |
| 2 |
Correct |
37 ms |
11868 KB |
Output is correct |
| 3 |
Correct |
174 ms |
51284 KB |
Output is correct |
| 4 |
Correct |
61 ms |
17996 KB |
Output is correct |
| 5 |
Correct |
70 ms |
17748 KB |
Output is correct |
| 6 |
Correct |
126 ms |
40060 KB |
Output is correct |
| 7 |
Correct |
194 ms |
51792 KB |
Output is correct |
| 8 |
Correct |
219 ms |
52564 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 2 |
Correct |
1 ms |
8284 KB |
Output is correct |
| 3 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 4 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 5 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 6 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 7 |
Correct |
1 ms |
8284 KB |
Output is correct |
| 8 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 9 |
Correct |
1 ms |
8284 KB |
Output is correct |
| 10 |
Correct |
1 ms |
8284 KB |
Output is correct |
| 11 |
Correct |
57 ms |
12116 KB |
Output is correct |
| 12 |
Correct |
37 ms |
11868 KB |
Output is correct |
| 13 |
Correct |
174 ms |
51284 KB |
Output is correct |
| 14 |
Correct |
61 ms |
17996 KB |
Output is correct |
| 15 |
Correct |
70 ms |
17748 KB |
Output is correct |
| 16 |
Correct |
126 ms |
40060 KB |
Output is correct |
| 17 |
Correct |
194 ms |
51792 KB |
Output is correct |
| 18 |
Correct |
219 ms |
52564 KB |
Output is correct |
| 19 |
Correct |
54 ms |
14940 KB |
Output is correct |
| 20 |
Correct |
44 ms |
14316 KB |
Output is correct |
| 21 |
Correct |
200 ms |
52052 KB |
Output is correct |
| 22 |
Correct |
67 ms |
18000 KB |
Output is correct |
| 23 |
Correct |
60 ms |
17544 KB |
Output is correct |
| 24 |
Correct |
116 ms |
40132 KB |
Output is correct |
| 25 |
Correct |
192 ms |
51796 KB |
Output is correct |
| 26 |
Correct |
181 ms |
52564 KB |
Output is correct |
| 27 |
Correct |
66 ms |
14172 KB |
Output is correct |
| 28 |
Correct |
82 ms |
16772 KB |
Output is correct |
| 29 |
Correct |
313 ms |
70608 KB |
Output is correct |
| 30 |
Correct |
174 ms |
43204 KB |
Output is correct |
| 31 |
Correct |
173 ms |
43208 KB |
Output is correct |
| 32 |
Correct |
298 ms |
70736 KB |
Output is correct |
| 33 |
Correct |
2 ms |
8280 KB |
Output is correct |
| 34 |
Correct |
2 ms |
8532 KB |
Output is correct |
| 35 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 36 |
Correct |
2 ms |
8280 KB |
Output is correct |
| 37 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 38 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 39 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 40 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 41 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 42 |
Correct |
2 ms |
8284 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 2 |
Correct |
31 ms |
9660 KB |
Output is correct |
| 3 |
Correct |
14 ms |
9564 KB |
Output is correct |
| 4 |
Correct |
47 ms |
21596 KB |
Output is correct |
| 5 |
Correct |
33 ms |
22216 KB |
Output is correct |
| 6 |
Correct |
114 ms |
40284 KB |
Output is correct |
| 7 |
Correct |
21 ms |
9564 KB |
Output is correct |
| 8 |
Correct |
67 ms |
27888 KB |
Output is correct |
| 9 |
Correct |
46 ms |
28628 KB |
Output is correct |
| 10 |
Correct |
61 ms |
28496 KB |
Output is correct |
| 11 |
Correct |
83 ms |
24780 KB |
Output is correct |
| 12 |
Correct |
76 ms |
33108 KB |
Output is correct |
| 13 |
Correct |
81 ms |
24916 KB |
Output is correct |
| 14 |
Correct |
120 ms |
40272 KB |
Output is correct |
| 15 |
Correct |
130 ms |
40516 KB |
Output is correct |
| 16 |
Correct |
2 ms |
8280 KB |
Output is correct |
| 17 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 18 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 19 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 20 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 21 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 22 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 23 |
Correct |
2 ms |
8280 KB |
Output is correct |
| 24 |
Correct |
2 ms |
8284 KB |
Output is correct |
| 25 |
Correct |
2 ms |
8284 KB |
Output is correct |
