为什么80,在线等

tctm169 我以逍遥醉人间 2024-07-28 15:48:20 2024-08-04 7:45:49 5

#include <bits/stdc++.h> #include #include #include #include #include #include #include #include using namespace std; long long n,sum=2; int main(){ cin>>n; for(int i=2;i<=n;i++){ sum=sum*2; } cout<<sum; }