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  1. #include <stdio.h>
  2.  
  3. int fact(int z);
  4.  
  5. void main()
  6. {
  7.     int n, r, ncr;
  8.  
  9.     printf("\n Enter the value for N and R \n");
  10.     scanf("%d%d", &n, &r);
  11.     ncr = fact(n) / (fact(r) * fact(n - r));
  12.     printf("\n The value of ncr is: %d", ncr);
  13. }
  14.  
  15. int fact(int z)
  16. {
  17.     int f = 1, i;
  18.     if (z == 0)
  19.     {
  20.         return(f);
  21.     }
  22.     else
  23.     {
  24.         for (i = 1; i <= z; i++)
  25. 	{
  26.             f = f * i;
  27. 	}
  28.     }
  29.     return(f);
  30. }
Runtime error #stdin #stdout 0s 9432KB
comments (?)
stdin
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5
4
stdout
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 Enter the value for N and R 

 The value of ncr is: 5
https://ideone.com/hisz0q
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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