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  1. #include <iostream>
  2.  
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {   int max = 30, evenNum;
  8. 	/* Odd or even? */
  9. 	if((max % 2)==1) 
  10. 		evenNum = 0; 
  11. 	else 
  12. 		evenNum = 1;
  13.     if(evenNum==1)
  14.     {
  15. 		for(int x=1; x<=max; x++)
  16. 	   	{
  17. 	       {
  18. 	   	   cout << x << " " << (max/2)+x << endl;
  19. 		   if (x >= (max/2))
  20. 		      break;
  21. 	       } 
  22. 	   	}   
  23.     } 
  24.     else
  25. 		for(int x=1; x<=(max+1); x++)
  26. 	   	{
  27. 	       {
  28. 	   	   if(x == ((max+1)/2)) 
  29. 	   	      cout << x << endl;
  30. 	   	   else
  31. 	   	      cout << x << " " << ((max+1)/2)+x << endl;
  32. 		   if (x >= ((max+1)/2))
  33. 		      break;
  34. 	       } 
  35. 	   	}   
  36.  
  37. 	return 0;
  38. }
  39.  
Success #stdin #stdout 0s 3096KB
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stdin
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Standard input is empty
stdout
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1 16
2 17
3 18
4 19
5 20
6 21
7 22
8 23
9 24
10 25
11 26
12 27
13 28
14 29
15 30
https://ideone.com/s4PlC5
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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