제출 #1192128

#제출 시각아이디문제언어결과실행 시간메모리
1192128hmmm사육제 (CEOI14_carnival)C++20
0 / 100
5 ms432 KiB
#include<bits/stdc++.h>
using namespace std;
const int N=155;
int a[N];

int F(int l,int r){
    int x;
    cout << r-l+1 << ' ';
    for(int i=l;i<=r;i++) cout << i << ' ';
    cout << endl;
    cin >> x;
    return x;
}

int main(){
    ios::sync_with_stdio(0); cin.tie(0);
    int n,cnt=1;
    cin >> n;
    a[1]=1;
    for(int i=2;i<=n;i++){
        int x=F(1,i);
        if(x!=cnt){
            a[i]=++cnt;
        }
        else{
            int l=1,r=i-1;
            while(l<r){
                int mid=(l+r)/2;
                int t=F(mid,i),y=F(mid,i-1);
                if(t==y) l=mid+1;
                else r=mid;
            }
            a[i]=a[l-1];
        }
    }
    cout << "0 ";
    for(int i=1;i<=n;i++) cout << a[i] << ' ';
}
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