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  1. #include <iostream>
  2. #include <sstream>
  3. using namespace std;
  4. bool warunek(int a,int b);
  5. void fun()
  6. {
  7. 	int max=0;
  8. 	for(int i=999;i>=100;i-=2)
  9. 	{
  10. 		for(int j=999;j>=100;j-=6)
  11. 		{
  12. 			if(warunek(j,i))
  13. 			{
  14. 				if(max<(j*i))
  15. 				{
  16. 					max=j*i;
  17. 					cout<<max<<endl;
  18. 				}
  19. 			}
  20. 		}
  21. 	}
  22. }
  23. bool warunek(int a,int b)
  24. {
  25. 	long long calosc=a*b;
  26. 	ostringstream s_lidzba;
  27. 	s_lidzba<<calosc;
  28. 	string str = s_lidzba.str();
  29. 	if((str[2]==str[str.length()-3])and(str[0]==str[str.length()-1])and(str[1]==str[str.length()-2]))
  30. 	{
  31. 		return true;
  32. 	}
  33. 	else
  34. 	{
  35. 		return false;
  36. 	}
  37. }
  38.  
  39. main()
  40. {
  41. 	fun();
  42. }
Success #stdin #stdout 0.12s 2860KB
comments (?)
stdin 
Standard input is empty
stdout 
543345
723327
906609
https://ideone.com/nu0wV
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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