Submission #133189

#	Time	Username	Problem	Language	Result	Execution time	Memory
133189		lyc	Carnival (CEOI14_carnival)	C++14	100 / 100	12 ms	420 KiB

carnival

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<int, ii> iii;
typedef pair<ii, int> ri3;
#define mp make_pair
#define pb push_back
#define fi first
#define sc second
#define SZ(x) (int)(x).size()
#define ALL(x) begin(x), end(x) 
#define REP(i, n) for (int i = 0; i < n; ++i) 
#define FOR(i, a, b) for (int i = a; i <= b; ++i)
#define RFOR(i, a, b) for (int i = a; i >= b; --i)

int main() {
    //freopen("in.txt", "r", stdin);
    ios::sync_with_stdio(false);
    cin.tie(0);

    int N; cin >> N;
    int C[N+1]; memset(C, -1, sizeof C);

    vector<int> v;
    int t = 1; C[1] = 1; v.push_back(1);
    FOR(i,2,N){
        cout << SZ(v)+1 << ' ';
        for (auto x: v) cout << x << ' ';
        cout << i << endl;

        int nt; cin >> nt;
        if (nt > t) C[i] = SZ(v)+1, v.push_back(i);
        t = nt;
    }

    FOR(i,1,N) if (C[i] == -1) {
        int lo = 0, hi = SZ(v);
        while (lo < hi) {
            int mid = (lo+hi)/2;

            cout << mid-lo+2 << ' ';
            FOR(j,lo,mid) cout << v[j] << ' ';
            cout << i << endl;

            int nt; cin >> nt;
            if (nt > mid-lo+1) lo = mid+1;
            else hi = mid;
        }
        //cout << "\t\tDEDUCE i " << i << " = " << v[hi] << endl;
        C[i] = C[v[hi]];
    }

    cout << 0;
    FOR(i,1,N) cout << ' ' << C[i];
    cout << endl;
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20