제출 #1009593

#제출 시각아이디문제언어결과실행 시간메모리
1009593Newtonabc동굴 (IOI13_cave)C++14
64 / 100
183 ms556 KiB
#include "cave.h" #include<bits/stdc++.h> using namespace std; /*int tryCombination(int arr[]){ int ttmp=4; for(int i=0;i<ttmp;i++) cout<<arr[i] <<" "; cout<<"\n"; int s; cin>>s; return s; }*/ void exploreCave(int N) { bool one; int arr[N],fix[N],cn[N]; for(int i=0;i<N;i++) arr[i]=fix[i]=cn[i]=0; for(int i=0;i<N;i++){ int l=0,r=N-1; for(int j=0;j<N;j++) if(!fix[j]) arr[j]=1; int tmp=tryCombination(arr); if(tmp==-1) tmp=INT_MAX; if(tmp>i) one=true; else one=false; while(l<r){ int mid=(l+r)/2; if(one){ for(int j=l;j<=mid;j++) if(!fix[j]) arr[j]=1; for(int j=mid+1;j<=r;j++) if(!fix[j]) arr[j]=0; tmp=tryCombination(arr); if(tmp==-1) tmp=INT_MAX; if(tmp>i) r=mid; else l=mid+1; } else{ for(int j=l;j<=mid;j++) if(!fix[j]) arr[j]=0; for(int j=mid+1;j<=r;j++) if(!fix[j]) arr[j]=1; tmp=tryCombination(arr); if(tmp==-1) tmp=INT_MAX; if(tmp>i) r=mid; else l=mid+1; } if(l==r){ arr[l]=one; cn[l]=i; fix[l]=1; } } } if(N==1){ if(one) arr[0]=1; answer(arr,cn); return; } /*cout<<endl <<endl <<endl; for(int i=0;i<N;i++) cout<<arr[i] <<" "; for(int i=0;i<N;i++) cout<<cn[i] <<" ";*/ answer(arr,cn); } /*int main(){ exploreCave(4); }*/
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