View Code of Problem 73
#include<iostream>
using namespace std;
int main(){
int n;
cin>>n;
int sum=1;
while(--n){
sum=(sum+1)*2;
}
cout<<sum;
return 0;
} |
Double click to view unformatted code.
Back to problem 73
#include<iostream>
using namespace std;
int main(){
int n;
cin>>n;
int sum=1;
while(--n){
sum=(sum+1)*2;
}
cout<<sum;
return 0;
} |
Double click to view unformatted code.