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Submission #533186

# Submission time Handle Problem Language Result Execution time Memory
533186 2022-03-05T05:15:37 Z makanhulia Bosses (BOI16_bosses) C++17
100 / 100
 620 ms 600 KB 
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
typedef long long ll;
using namespace std;

ll n, ans = 1e9;
vector<ll>adj[5005];
ll p[5005];

void bfs(ll s){
  memset(p, 0, sizeof(p));
  p[s] = 1;
  queue<ll>q;
  q.push(s);
  while(!q.empty()){
    ll cur = q.front();
    q.pop();
    for(int x : adj[cur]){
      if(!p[x]){
        p[x] = p[cur]+1;
        q.push(x);
      }
    }
  }
  ll total = 0;
  for(int i = 1; i <= n; i++){
    if(!p[i]) return;
    total += p[i];
  }
  ans = min(ans, total);
  return;
}

int main(){
  cin >> n;
  for(int i = 1; i <= n; i++){
    int m;
    cin >> m;
    for(int j = 1; j <= m; j++){
      ll x; cin >> x;
      adj[x].pb(i);
    }
  }
  for(int i = 1; i <= n; i++){
    bfs(i);
  }
  cout << ans << endl;
  
}

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 5 ms 460 KB Output is correct
13 Correct 4 ms 500 KB Output is correct
14 Correct 102 ms 516 KB Output is correct
15 Correct 8 ms 540 KB Output is correct
16 Correct 479 ms 588 KB Output is correct
17 Correct 582 ms 588 KB Output is correct
18 Correct 620 ms 600 KB Output is correct