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Submission #166916

# Submission time Handle Problem Language Result Execution time Memory
166916 2019-12-04T14:32:25 Z Zelja Bosses (BOI16_bosses) C++14
100 / 100
 934 ms 988 KB 
#include <bits/stdc++.h>

using namespace std;
int n,k,pom;
vector<int> mat[5003];
int dist[5003];
queue<int> q;
long long cnt[5003],res;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);cout.tie(0);

    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> k;
        for(int j = 0; j < k; j++){
            cin >> pom;
            mat[pom].push_back(i);
        }
    }

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++)
            dist[j] = 9999999;


        dist[i] = 1;
        q.push(i);
        while(!q.empty()){
            pom = q.front();
            q.pop();
            for(auto x: mat[pom]){
                if(dist[x] != 9999999)
                    continue;
                dist[x] = dist[pom] + 1;
                q.push(x);
            }
        }

        for(int j = 1; j <= n; j++){
            cnt[i] += dist[j];
        }
    }

    res = cnt[1];
    for(int i = 2; i <= n; i++){
        res = min(res,cnt[i]);
    }
    cout << res;
    return 0;
}

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 3 ms 508 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 3 ms 508 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 7 ms 632 KB Output is correct
13 Correct 6 ms 632 KB Output is correct
14 Correct 166 ms 732 KB Output is correct
15 Correct 32 ms 708 KB Output is correct
16 Correct 677 ms 856 KB Output is correct
17 Correct 934 ms 988 KB Output is correct
18 Correct 924 ms 904 KB Output is correct