# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1179264 | vladkonoval | Rack (eJOI19_rack) | C++20 | 0 ms | 324 KiB |
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
using ll = long long;
ll a,b;
int main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>a>>b;
cout<<(1<<a)-a+1-b+1;
return 0;
}
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