oj.uz

답안 #404201

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
404201 2021-05-13T23:57:15 Z rama_pang Paths (BOI18_paths) C++17
100 / 100
 571 ms 70708 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);

  int N, M, K;
  cin >> N >> M >> K;
  vector<int> A(N);
  for (int i = 0; i < N; i++) {
    cin >> A[i];
    A[i]--;
  }
  vector<vector<int>> adj(N);
  while (M--) {
    int u, v;
    cin >> u >> v;
    u--, v--;
    adj[u].emplace_back(v);
    adj[v].emplace_back(u);
  }

  vector<vector<long long>> dp(N, vector<long long>(1 << K));
  for (int mask = (1 << K) - 1; mask >= 0; mask--) {
    for (int i = 0; i < N; i++) if ((mask >> A[i]) & 1) {
      dp[i][mask] += 1;
    }
    for (int i = 0; i < N; i++) if ((mask >> A[i]) & 1) {
      for (auto j : adj[i]) if (((mask >> A[j]) & 1) ^ 1) {
        dp[i][mask] += dp[j][mask | (1 << A[j])];
      }
    }
  }

  long long ans = 0;
  for (int i = 0; i < N; i++) {
    ans += dp[i][1 << A[i]];
  }

  cout << ans - N << '\n';
  return 0;
}

Subtask #1
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 7028 KB Output is correct
2 Correct 73 ms 6104 KB Output is correct
3 Correct 403 ms 51872 KB Output is correct
4 Correct 111 ms 10564 KB Output is correct
5 Correct 100 ms 9976 KB Output is correct
6 Correct 261 ms 37292 KB Output is correct
7 Correct 376 ms 51788 KB Output is correct
8 Correct 400 ms 52564 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 84 ms 7028 KB Output is correct
12 Correct 73 ms 6104 KB Output is correct
13 Correct 403 ms 51872 KB Output is correct
14 Correct 111 ms 10564 KB Output is correct
15 Correct 100 ms 9976 KB Output is correct
16 Correct 261 ms 37292 KB Output is correct
17 Correct 376 ms 51788 KB Output is correct
18 Correct 400 ms 52564 KB Output is correct
19 Correct 87 ms 7100 KB Output is correct
20 Correct 72 ms 6168 KB Output is correct
21 Correct 355 ms 51900 KB Output is correct
22 Correct 110 ms 10564 KB Output is correct
23 Correct 114 ms 10028 KB Output is correct
24 Correct 274 ms 37344 KB Output is correct
25 Correct 351 ms 51912 KB Output is correct
26 Correct 355 ms 52544 KB Output is correct
27 Correct 84 ms 6160 KB Output is correct
28 Correct 110 ms 8716 KB Output is correct
29 Correct 571 ms 70688 KB Output is correct
30 Correct 333 ms 38940 KB Output is correct
31 Correct 340 ms 38844 KB Output is correct
32 Correct 543 ms 70708 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 308 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 316 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 316 KB Output is correct
42 Correct 1 ms 204 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 40 ms 2200 KB Output is correct
3 Correct 24 ms 2188 KB Output is correct
4 Correct 99 ms 17480 KB Output is correct
5 Correct 72 ms 18044 KB Output is correct
6 Correct 233 ms 36036 KB Output is correct
7 Correct 30 ms 2132 KB Output is correct
8 Correct 142 ms 23620 KB Output is correct
9 Correct 119 ms 24484 KB Output is correct
10 Correct 129 ms 24244 KB Output is correct
11 Correct 141 ms 19232 KB Output is correct
12 Correct 136 ms 28044 KB Output is correct
13 Correct 115 ms 19288 KB Output is correct
14 Correct 226 ms 36144 KB Output is correct
15 Correct 238 ms 36164 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 316 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 316 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct