Submission #314659

#TimeUsernameProblemLanguageResultExecution timeMemory
314659jaaguptamme동굴 (IOI13_cave)C++14
12 / 100
653 ms508 KiB
#include <bits/stdc++.h>
#include "cave.h"
using namespace std;
void SW(int in[],int dn[],int ps){
    for(int i=0;i<ps;i++){
        if(dn[i]==0){
            in[i]=1-in[i];
        }
    }
}
/*int tryCombination(int in[]){
    for(int i=0;i<sizeof in;i++){
        cout<<in[i]<<' ';
    }
    cout<<endl;
    int vl;cin>>vl;
    return vl;
}*/
void exploreCave(int N){
    int in[N],ns[N],dn[N];
    for(int i=0;i<N;i++)in[i]=ns[i]=dn[i]=0;
    for(int i=0;i<N;i++){
        int cur=tryCombination(in);
        int l=1,r=N,ans=N;
        while(l<=r){
            int m=(l+r)/2;
            SW(in,dn,m);
            int vl=tryCombination(in);
            if(i==cur){
                if(cur!=vl){
                    r=m-1;
                    ans=m;
                }else{
                    l=m+1;
                }
            }else{
                if(vl==i){
                    r=m-1;
                    ans=m;
                }else{
                    l=m+1;
                }
            }
            SW(in,dn,m);
        }
        ans--;
        dn[ans]=1;
        ns[i]=ans;
        in[ans]=(cur==i?1:0);
            //cout<<ans<<endl;
    }
    /*for(int i=0;i<N;i++){
        cout<<in[i]<<' ';
    }
    cout<<endl;
    for(int i=0;i<N;i++){
        cout<<ns[i]<<' ';
    }
    cout<<endl;*/
    answer(in,ns);
}
/*
int main(){
    exploreCave(4);
}
*/
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