Submission #1001314

#	Time	Username	Problem	Language	Result	Execution time	Memory
1001314		vjudge1	Rack (eJOI19_rack)	C++17	0 / 100	1 ms	348 KiB

rack

#include <bits/stdc++.h>

using namespace std;



int main()
{
    long long n,k;
    cin>>n>>k;
    long long res=1;
    for(long long n1=n;n1>0;n1--)
    {
        res=res*2;
    }
    if(k==1)
    {
        cout<<1;
        return 0;

    }

    k--;
    for(long long br=1;;br=br*2)
    {
        if(k<=br)
        {
            int br2=br/2,br3;
            if(k%2==0)
            {
                br3=br2+k/2;
            }
            else
            {
                br3=k/2+1;
            }

            res=res/br;
            cout<<res*(br3-1)+res/2+1;
            return 0;

        }
        else
            k=k-br;
    }

    return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 60