제출 #1338421

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1338421		Newtonabc	사육제 (CEOI14_carnival)	C++20	100 / 100	2 ms	420 KiB

carnival

#include<bits/stdc++.h>
using namespace std;
int ret[160];
vector<int> g;
int ask(int l,int r,int x){
    int k=r-l+1;
    cout<<k+1 <<" ";
    for(int j=l;j<=r;j++) cout<<g[j] <<" ";
    cout<<x;
    cout<<endl;
    int ret; cin>>ret;
    return ret;
}
int main(){
    int n; cin>>n;
    for(int i=1;i<=n;i++){
        int sz=g.size();
        int l=0,r=sz-1;
        g.push_back(i);
        int tmp=ask(l,r,i);
        g.pop_back();
        if(tmp==sz+1){
            g.push_back(i);
            ret[i]=sz;
            continue;
        }
        while(l<r){
            int mid=(l+r)/2;
            if(ask(l,mid,i)==mid-l+1) r=mid;
            else l=mid+1;
        }
        ret[i]=l;
    }
    cout<<"0 ";
    for(int i=1;i<=n;i++) cout<<ret[i]+1 <<" ";

}

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