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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int x,n;
  7. 	cin>>x>>n;
  8. 	int a=0;
  9. 	for (int i=0;i<n;i++){
  10. 		a=x*(1+a);
  11. 	}
  12. 	a=a+1;
  13. //	1+x+x*x+x*x*x=1+x(1+x(1+x(1+0)))
  14. 	cout<<a;
  15. 	return 0;
  16. }
Success #stdin #stdout 0.01s 5288KB
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stdout
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15
https://ideone.com/c2gVTK
language:
C++14 (gcc 8.3)
created:
6 days ago
visibility:
public

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