题解 | #跳台阶扩展问题#
跳台阶扩展问题
https://www.nowcoder.com/practice/953b74ca5c4d44bb91f39ac4ddea0fee
#include<iostream>
#include<cmath>
using namespace std;
int main(){
int n;
cin>>n;
cout<<pow(2,n-1)<<endl;
return 0;
}
跳台阶扩展问题
https://www.nowcoder.com/practice/953b74ca5c4d44bb91f39ac4ddea0fee
#include<iostream>
#include<cmath>
using namespace std;
int main(){
int n;
cin>>n;
cout<<pow(2,n-1)<<endl;
return 0;
}
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