Submission #239050

#	Time	Username	Problem	Language	Result	Execution time	Memory
239050		VEGAnn	Alkemija (COCI18_alkemija)	C++14	80 / 80	123 ms	13944 KiB

alkemija

#include <bits/stdc++.h>
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")
#define i2 array<int,2>
#define PB push_back
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
using namespace std;
typedef long long ll;
const int N = 100100;
const ll OO = 1e18;
const int md = int(1e9) + 7;
vector<int> vc[N], who[N], fr[N];
queue<int> q;
int n, m, k, cnt[N], ans = 0;
bool mrk[N], was[N];

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#endif // _LOCAL

    cin >> n >> m;

    for (int i = 0; i < m; i++){
        int x; cin >> x;

        mrk[x] = 1;

        ans++;
    }

    cin >> k;

    for (int i = 0; i < k; i++){
        int L, R; cin >> L >> R;

        cnt[i] = L;

        for (int j = 0; j < L; j++){
            int x; cin >> x;

            who[x].PB(i);
            fr[i].PB(x);

            if (mrk[x]) cnt[i]--;
        }

        if (cnt[i] == 0) q.push(i);

        for (int j = 0; j < R; j++) {
            int x; cin >> x;
            vc[i].PB(x);
        }
    }

    while (sz(q)){
        int id = q.front(); q.pop();

        for (int cr : vc[id]){
            if (mrk[cr]) continue;

            mrk[cr] = 1;
            ans++;

            for (int nw : who[cr]){
                cnt[nw]--;

                if (cnt[nw] == 0)
                    q.push(nw);
            }
        }
    }

    cout << ans << '\n';

    for (int i = 1; i <= n; i++)
        if (mrk[i])
            cout << i << " ";

    return 0;
}

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 8 / 8
• Subtask 5: 8 / 8
• Subtask 6: 8 / 8
• Subtask 7: 8 / 8
• Subtask 8: 8 / 8
• Subtask 9: 8 / 8
• Subtask 10: 8 / 8