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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4. #define m 1000000007
  5. int main() 
  6. {
  7. 	int h,n,i,p;
  8. 	long long *a;         // for dymnamic creation of array
  9. 	cin>>h;
  10. 	while(h)
  11. 		{
  12. 			n=pow(2,h);                 // i have calculated till 2^h because i will fill my array from position 1 not 0
  13. 			a=new long long [n];
  14. 			for(i=1;i<n;i++)
  15. 				cin>>a[i];
  16. 			i=n-1;
  17. 			while(i>1)
  18. 				{
  19. 					p=int(i/2);         // calculating index of parent node 
  20. 					a[2*p]>a[2*p +1]?a[p]=a[p]*a[2*p] :a[p]=a[p]*a[2*p +1];
  21. 					i=i-2;
  22.  
  23. 				}
  24. 			cout<<a[1]%m<<endl;
  25.  
  26. 			cin>>h;
  27. 		}
  28. 	return 0;
  29. }
Runtime error #stdin #stdout 0.15s 5108KB
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https://ideone.com/Jh310M
language:
C++ 4.3.2 (gcc-4.3.2)
created:
9 years ago
visibility:
public

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