제출 #1179291

#제출 시각아이디문제언어결과실행 시간메모리
1179291vladkonovalRack (eJOI19_rack)C++20
40 / 100
1 ms1860 KiB
#include <bits/stdc++.h> using namespace std; #define endl '\n' using ll = long long; ll n,k,a[1000007],res,i; int main() { ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); cin>>n>>k; if (k==1){cout<<1;return 0;} a[1] = 1; res = 1<<(n-1); for (i=2;i<=(1<<n);i++) { if (i%2==0) a[i] = a[i-1]+res; else { a[i] = (a[(i-1)/2+1]+1)/2; } if (a[i]==k) {cout<<i;return 0;} } return 0; }
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