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  1. #include <iostream>
  2. using namespace std;
  3. int f(int x)
  4. {
  5. 	if(x<10)
  6. 		return x;
  7. 	else
  8. 	{	int sum=0;
  9. 		while(x>0)
  10. 		{
  11. 			sum+=x%10;
  12. 			x/=10;
  13. 		}
  14. 		return f(sum);
  15. 	}
  16. }
  17.  
  18.  
  19. int main() 
  20. {
  21. 	// your code goes here
  22. 	int t,a,d,r,l,i,sum=0,term;
  23. 	while(t>0)
  24. 	{
  25. 		for(i=r;i<=l;i++)
  26. 		{
  27. 			term=a+((i-1)*d);
  28. 			sum+=f(term);
  29. 		}
  30. 		cout<<sum;
  31. 		t--;
  32. 	}
  33.  
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 3456KB
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stdin
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2
1 1 1 3
14 7 2 4
stdout
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Standard output is empty
https://ideone.com/SIE2lo
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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