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