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Submission #532262

# Submission time Handle Problem Language Result Execution time Memory
532262 2022-03-02T15:31:36 Z andecaandeci Bosses (BOI16_bosses) C++17
100 / 100
 637 ms 800 KB 
#include <bits/stdc++.h>
#define REP(v, i, j) for (int v = i; v < j; v++)
#define FORI(v) for (auto i : v)
#define FORJ(v) for (auto j : v)

#define OUT(v, a)     FORI(v)           cout << i << a;
#define OUTS(v, a, b)          cout << v.size() << a;     OUT(v, b)
#define in(a, n)     REP(i, 0, n)     cin >> a[i];

#define SORT(v) sort(begin(v), end(v))
#define REV(v) reverse(begin(v), end(v))

#define pb push_back
#define fi first
#define se second

#define detachIO                          ios_base::sync_with_stdio(false);     cin.tie(0);                           cout.tie(0);

using namespace std;

typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<pii, pii> piiii;

vector<int> child[10000];
int dist[10000];

int n;

int bfs(int root)
{
    memset(dist, -1, sizeof dist);

    queue<pii> q;
    q.push({root, 0});

    while (q.size())
    {
        auto &x = q.front();
        q.pop();

        if (dist[x.fi] != -1)
            continue;

        dist[x.fi] = x.se;

        FORI(child[x.fi])
        q.push({i, x.se + 1});
    }

    REP(j, 0, n)
    if (dist[j] == -1)
        return -1;
    return 0;
}

int main()
{
    detachIO;

    cin >> n;

    REP(i, 0, n)
    {
        int x;
        cin >> x;

        while (x--)
        {
            int t;
            cin >> t;
            t--;

            child[t]
                .pb(i);
        }
    }

    int finalres = INT_MAX;

    REP(i, 0, n)
    {
        if (bfs(i))
            continue;

        int ans = 0;
        REP(j, 0, n)
        ans += dist[j];
        ans += n;

        finalres = min(finalres, ans);
    }

    cout << finalres << '\n';
}

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 552 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 552 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 28 ms 716 KB Output is correct
13 Correct 21 ms 792 KB Output is correct
14 Correct 129 ms 588 KB Output is correct
15 Correct 7 ms 708 KB Output is correct
16 Correct 572 ms 780 KB Output is correct
17 Correct 637 ms 800 KB Output is correct
18 Correct 633 ms 796 KB Output is correct