Submission #1099075

#	Time	Username	Problem	Language	Result	Execution time	Memory
1099075		vjudge1	Rack (eJOI19_rack)	C++17	40 / 100	0 ms	348 KiB

rack

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    int n, k; cin >> n >> k;
    int cnt = 0;
    //cout << k << endl;
    int ans = 1;
    int pp = 1;
    while(cnt < n){
        pp *= 2;
        cnt++;
    }
    
    pp /= 2;
    while(k > 1){
        if (k % 2 == 0) {
            k--;
            ans += pp;
            
        }
        
        k -= (k - 1) / 2;
        
        pp /= 2;
        //cout << k << endl;
    }
    cout << ans << endl;
}

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