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Submission #888762

# Submission time Handle Problem Language Result Execution time Memory
888762 2023-12-18T07:26:09 Z Hydrolyzed Bosses (BOI16_bosses) C++14
100 / 100
 397 ms 868 KB 
#include <bits/stdc++.h>

using namespace std;

const int MxN = 5050;

vector<int> adj[MxN];
int dist[MxN], n;
queue<int> q;

inline int bfs(int stp) {
  memset(dist, -1, sizeof dist);
  dist[stp] = 1;
  q.emplace(stp);
  int sum = 1;
  while(!q.empty()) {
    int now = q.front(); q.pop();
    for(auto x: adj[now]) {
      if(dist[x] != -1) {
        continue;
      }
      dist[x] = dist[now] + 1;
      sum += dist[x];
      q.emplace(x);
    }
  }
  for(int i=1; i<=n; ++i) {
    if(dist[i] != -1) {
      continue;
    }
    return 1e9 + 100;
  }
  return sum;
}

int main() {
  cin.tie(nullptr)->ios::sync_with_stdio(false);
  int answer = 1e9 + 100;
  cin >> n;
  for(int i=1, m; i<=n; ++i) {
    cin >> m;
    for(int _=1, x; _<=m; ++_) {
      cin >> x;
      adj[x].emplace_back(i);
    }
  }
  for(int i=1; i<=n; ++i) {
    answer = min(answer, bfs(i));
  }
  cout << answer << "\n";
  return 0;
}

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 576 KB Output is correct
10 Correct 1 ms 580 KB Output is correct
11 Correct 1 ms 348 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 576 KB Output is correct
10 Correct 1 ms 580 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 3 ms 604 KB Output is correct
13 Correct 3 ms 728 KB Output is correct
14 Correct 73 ms 856 KB Output is correct
15 Correct 3 ms 604 KB Output is correct
16 Correct 397 ms 868 KB Output is correct
17 Correct 391 ms 792 KB Output is correct
18 Correct 394 ms 792 KB Output is correct