Submission #969122

#	Time	Username	Problem	Language	Result	Execution time	Memory
969122		12345678	Rack (eJOI19_rack)	C++17	40 / 100	1 ms	348 KiB

rack

#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;
}

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