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  1. #include <iostream>
  2. #include <math.h>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	long long n,r=0,count=0;
  7. 	long long rev(long long);
  8. 	for(n=1;n>0;n++)
  9. 		{
  10. 			r=rev(n);
  11. 			if((n+r)%13==0)
  12. 				count++;
  13. 			if(count==10000)
  14. 				{
  15. 					cout<<(n%1000);
  16. 					break;
  17. 				}
  18. 		}
  19. 	return 0;
  20. }
  21. long long rev(long long x)
  22. 	{
  23. 		int arrx[1000],ret=0,i=0,len=0;
  24. 		while(x>=1)
  25. 			{
  26. 				arrx[i]=x%10;
  27. 				x/=10;
  28. 				i++;
  29. 				len=i;
  30. 			}
  31. 		for(i=0;i<len;i++)
  32. 			{
  33. 				ret+=arrx[i]*pow(10,len-i-1);
  34. 			}
  35. 		return ret;
  36. 	}
Success #stdin #stdout 0.08s 3096KB
comments (?)
stdin 
Standard input is empty
stdout 
241
https://ideone.com/dlWezU
https://b...content-available-to-author-only...t.org/problems/reversed-multiples/
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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