제출 #1200939

#제출 시각아이디문제언어결과실행 시간메모리
1200939hmmm사육제 (CEOI14_carnival)C++20
100 / 100
6 ms432 KiB
#include<bits/stdc++.h> using namespace std; const int N=200; int a[N]; int ask(int l,int r){ cout << r-l+1 << ' '; for(int i=l;i<=r;i++) cout << i << " "; cout << endl; int x; 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=ask(1,i); if(x==cnt+1) a[i]=++cnt; else{ int l=1,r=i-1; while(l<r){ int mid=(l+r+1)/2; int y=ask(mid,i); int z=ask(mid,i-1); if(z!=y) r=mid-1; else l=mid; } a[i]=a[l]; } } cout << "0 "; for(int i=1;i<=n;i++) cout << a[i] << ' '; }
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