제출 #969122

#제출 시각아이디문제언어결과실행 시간메모리
96912212345678Rack (eJOI19_rack)C++17
40 / 100
1 ms348 KiB
#include <bits/stdc++.h>

using namespace std;

#define ll long long

ll n, k, res;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>k;
    for (int i=n-1; i>=0; i--)
    {
        if (k%2==0) res+=(1<<i);
        k=(k+1)/2;
    }
    cout<<res+k;
}
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