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Submission #493169

# Submission time Handle Problem Language Result Execution time Memory
493169 2021-12-10T09:03:28 Z MilosMilutinovic Paths (BOI18_paths) C++14
100 / 100
 403 ms 70768 KB 
#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m, k;
  cin >> n >> m >> k;
  vector<int> a(n);
  vector<vector<long long>> dp(n, vector<long long>(1 << k));
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    --a[i];
    dp[i][1 << a[i]] = 1;
  }
  vector<vector<int>> g(n);
  for (int i = 0; i < m; i++) {
    int u, v;
    cin >> u >> v;
    --u, --v;
    g[u].push_back(v);
    g[v].push_back(u);
  }
  for (int j = 0; j < (1 << k); j++) {
    for (int i = 0; i < n; i++) {
      if ((j & (1 << a[i]))) {
        continue;
      }
      for (int x : g[i]) {
        if (!(j & (1 << a[x]))) {
          continue;
        }
        dp[i][j ^ (1 << a[i])] += dp[x][j];
      }
    }
  }
  long long ans = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < (1 << k); j++) {
      ans += dp[i][j];
    }
  }
  cout << ans - n << '\n';
  return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 7428 KB Output is correct
2 Correct 55 ms 6192 KB Output is correct
3 Correct 261 ms 51784 KB Output is correct
4 Correct 114 ms 11076 KB Output is correct
5 Correct 82 ms 10524 KB Output is correct
6 Correct 200 ms 37232 KB Output is correct
7 Correct 286 ms 51844 KB Output is correct
8 Correct 286 ms 52700 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 70 ms 7428 KB Output is correct
12 Correct 55 ms 6192 KB Output is correct
13 Correct 261 ms 51784 KB Output is correct
14 Correct 114 ms 11076 KB Output is correct
15 Correct 82 ms 10524 KB Output is correct
16 Correct 200 ms 37232 KB Output is correct
17 Correct 286 ms 51844 KB Output is correct
18 Correct 286 ms 52700 KB Output is correct
19 Correct 67 ms 7368 KB Output is correct
20 Correct 52 ms 6104 KB Output is correct
21 Correct 278 ms 51896 KB Output is correct
22 Correct 92 ms 10896 KB Output is correct
23 Correct 85 ms 10464 KB Output is correct
24 Correct 191 ms 37260 KB Output is correct
25 Correct 263 ms 51908 KB Output is correct
26 Correct 270 ms 52504 KB Output is correct
27 Correct 66 ms 6212 KB Output is correct
28 Correct 91 ms 9100 KB Output is correct
29 Correct 403 ms 70768 KB Output is correct
30 Correct 244 ms 38828 KB Output is correct
31 Correct 249 ms 38896 KB Output is correct
32 Correct 370 ms 70760 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 30 ms 2280 KB Output is correct
3 Correct 18 ms 2128 KB Output is correct
4 Correct 64 ms 17348 KB Output is correct
5 Correct 48 ms 18060 KB Output is correct
6 Correct 160 ms 36128 KB Output is correct
7 Correct 24 ms 2128 KB Output is correct
8 Correct 97 ms 23528 KB Output is correct
9 Correct 73 ms 24328 KB Output is correct
10 Correct 97 ms 24344 KB Output is correct
11 Correct 84 ms 19012 KB Output is correct
12 Correct 92 ms 28116 KB Output is correct
13 Correct 86 ms 19288 KB Output is correct
14 Correct 152 ms 36040 KB Output is correct
15 Correct 152 ms 36368 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 0 ms 316 KB Output is correct
21 Correct 0 ms 336 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 0 ms 208 KB Output is correct