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  1. #include<iostream>
  2. using namespace std;
  3. int main(){
  4. 	// Find the sqr root of the number
  5. 	cout<<"Enter the number\n";
  6. 	int num;
  7. 	cin>>num;
  8.  
  9. 	int start=0;
  10. 	int sqrts;
  11. 	while(start<=num){
  12.  
  13. 		int mid=start+(num-start)/2;
  14. 		if(mid*mid<=num){
  15. 			sqrts=mid;
  16. 			start=mid+1;
  17. 		}else{
  18. 			num=mid-1;
  19. 		}
  20.  
  21. 	}
  22.  
  23. 	cout<<sqrts;
  24.  
  25. 	return 0;
  26. }
Success #stdin #stdout 0.01s 5320KB
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Enter the number
1
https://ideone.com/gykILi
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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