Submission #857866

#	Time	Username	Problem	Language	Result	Execution time	Memory
857866		vjudge1	Bosses (BOI16_bosses)	C++17	0 / 100	0 ms	348 KiB

bosses

#include <bits/stdc++.h>

using namespace std;

#define ll long long int
#define pb push_back
#define mp make_pair
#define pii pair<int, int>
const int maxn = 5e3 + 5;

bool mark[maxn];
int cnt[maxn], H_cnt[maxn];
vector<pii > P_pars;
vector<int> height[maxn];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, root, mx = 0;
    cin >> n;
    for (int i = 1; i <= n; i++) {
        int c;
        cin >> c;
        for (int j = 1; j <= c; j++) {
            int x;
            cin >> x;
            P_pars.pb({i, x});
            cnt[x]++;
            if (cnt[x] > mx) {
                mx = cnt[x];
                root = x;
            }
        }
    }
//    cout << root;
    height[0].pb(root);
    mark[root] = true;
    ll sum = n, dec = 1;
    for (int i = 1; i <= n; i++) {
        for (int x: height[i - 1]) {
//            cout << x << ": ";
            for (pii u: P_pars) {
                int v = u.first, par = u.second;
                if (par == x and v != x and !mark[v]) {
//                    cout << v << ", ";
                    height[i].pb(v);
                    H_cnt[i]++;
                    mark[v] = true;
                }
            }
//            cout << '\n';
        }
        sum += n - dec;
        dec += H_cnt[i];
    }
    cout << sum;
    return 0;
}

• Subtask 1: 0 / 22
• Subtask 2: 0 / 45
• Subtask 3: 0 / 33