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  1. #include <iostream>
  2. int main()
  3. {
  4.     int n,k,suma,i;
  5. 	std::cin >> n;
  6. 	std::cin >> k;
  7. 	if(n<(k*(k+1)) || n%2!=0)
  8. 	{
  9. 		std::cout << "No";
  10. 	}
  11.  
  12. 	suma=0;
  13. 	for(i=1;i<=k;i++)
  14. 	{
  15. 		if(i<k)
  16. 		{
  17. 			std::cout << i*2 << "+";
  18. 			suma+=i*2;
  19. 		}
  20. 		else
  21. 		{
  22. 			std::cout << n-suma;
  23. 		}
  24. 	}
  25. }
Success #stdin #stdout 0s 2900KB
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stdin
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18
3
stdout
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2+4+12
https://ideone.com/g6SKvb
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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