Submission #447321

# Submission time Handle Problem Language Result Execution time Memory
447321 2021-07-26T05:47:19 Z phathnv Bosses (BOI16_bosses) C++11
100 / 100
753 ms 656 KB
#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    vector<vector<int>> adj(n, vector<int>());
    for (int i = 0; i < n; i++) {
        int k;
        cin >> k;
        while (k--) {
            int p;
            cin >> p;
            adj[--p].push_back(i);
        }
    }
    int res = 1e9;
    for (int r = 0; r < n; r++) {
        vector<int> d(n, -1);
        queue<int> qu;
        d[r] = 1;
        qu.push(r);
        while (!qu.empty()) {
            int u = qu.front();
            qu.pop();
            for (int v : adj[u])
                if (d[v] == -1) {
                    d[v] = d[u] + 1;
                    qu.push(v);
                }
        }
        if (*min_element(d.begin(), d.end()) != -1)
            res = min(res, accumulate(d.begin(), d.end(), 0));
    }
    cout << res;
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 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 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 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 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 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 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 5 ms 332 KB Output is correct
13 Correct 4 ms 332 KB Output is correct
14 Correct 151 ms 460 KB Output is correct
15 Correct 35 ms 460 KB Output is correct
16 Correct 603 ms 588 KB Output is correct
17 Correct 730 ms 648 KB Output is correct
18 Correct 753 ms 656 KB Output is correct