제출 #1191998

#제출 시각아이디문제언어결과실행 시간메모리
1191998hmmm사육제 (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,pos=-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-1,pos=mid; } a[i]=a[pos]; } } cout << "0 "; for(int i=1;i<=n;i++) cout << a[i] << ' '; cout << endl; }
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