Submission #1188479

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188479		andrei_n	Rack (eJOI19_rack)	C++20	40 / 100	0 ms	328 KiB

rack

#include <bits/stdc++.h>
#define int long long

using namespace std;

int solve(int n, int k)
{
    if(n == 0) return 1;
    if(n >= 64 || k <= (1<<n-1))
        return solve(n-1, k) * 2 - 1;
    else
        return solve(n-1, k - (1<<n-1)) * 2;
}

signed main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int n,k; cin>>n>>k;
    cout<<solve(n,k);
    return 0;
}

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