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Submission #724307

# Submission time Handle Problem Language Result Execution time Memory
724307 2023-04-15T04:34:27 Z thinknoexit Bosses (BOI16_bosses) C++17
100 / 100
 682 ms 716 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
vector<int> adj[5050];
int dis[5050], vis[5050];
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n;
    cin >> n;
    for (int i = 1;i <= n;i++) {
        int k; cin >> k;
        for (int j = 1;j <= k;j++) {
            int p;
            cin >> p;
            adj[p].push_back(i);
        }
    }
    queue<int> q;
    int mx, mn = 2e9, cnt;
    for (int i = 1;i <= n;i++) {
        vis[i] = i;
        dis[i] = 1;
        q.push(i);
        mx = 0, cnt = 0;
        int now = 0;
        while (!q.empty()) {
            int v = q.front();
            q.pop();
            now += dis[v];
            cnt++;
            for (auto& x : adj[v]) {
                if (vis[x] == i) continue;
                dis[x] = dis[v] + 1;
                vis[x] = i;
                q.push(x);
            }
        }
        if (cnt != n) {
            continue;
        }
        mn = min(mn, now);
    }
    cout << mn;
    return 0;
}

Compilation message

bosses.cpp: In function 'int main()':
bosses.cpp:19:9: warning: variable 'mx' set but not used [-Wunused-but-set-variable]
   19 |     int mx, mn = 2e9, cnt;
      |         ^~

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 3 ms 468 KB Output is correct
14 Correct 126 ms 572 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 490 ms 656 KB Output is correct
17 Correct 682 ms 716 KB Output is correct
18 Correct 682 ms 716 KB Output is correct