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  1.  
  2. #include<stdio.h>
  3. int front(int r)
  4. {
  5.     int i,j,count=0;
  6. for (i = 0; i < r; i++)	
  7.     {
  8.       for (j = 0; j <= i; j++)	
  9. 	{
  10. 	  count++;		
  11. 	  if (j != 0)		
  12. 	    printf ("*%d", count);	
  13. 	  else			
  14. 	    printf ("%d", count);	
  15. 	}
  16.       printf ("\n");		
  17.     }
  18. }
  19.  
  20. int reverse(int r)
  21. {
  22.     int i,j,count=11;
  23. for (i = r; i >0; i--)	
  24.     {
  25.       for (j =i ; j >0; j--)	
  26. 	{
  27. 	  count--;		
  28. 	  if (j != 1)		
  29. 	    printf ("%d*", count);	
  30. 	  else			
  31. 	    printf ("%d", count);	
  32. 	}
  33.       printf ("\n");		
  34.     }
  35. }
  36.  
  37. int main ()
  38. {
  39.   int i, j, r, count;		
  40.   //count = 0;		
  41.   printf ("Enter the number of rows :\n");	
  42.   scanf ("%d", &r);	
  43.   front(r);
  44.   reverse(r);
  45.  
  46. }
  47.  
Success #stdin #stdout 0s 9424KB
comments (?)
stdin
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4
stdout
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Enter the number of rows :
1
2*3
4*5*6
7*8*9*10
10*9*8*7
6*5*4
3*2
1
https://ideone.com/Jztgbo
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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