Submission #1308715

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308715		maya_s	Rack (eJOI19_rack)	C++20	40 / 100	1 ms	576 KiB

rack

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

int main(){
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    ll n, k; cin >> n >> k;
    ll p = (1ll << (n-1)), x = 0, d = 2;
    while(p) {
        if(k % d > d / 2 || k % d == 0) x += p;
        p /= 2, d *= 2;
    }
    cout << x+1;
}

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