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  1. #include <stdio.h>
  2.  
  3. int comb(int n,int r){
  4.    if(r==0||r==n)
  5.      return 1;
  6.    else
  7.       return comb(n-1,r-1)+comb(n-1,r);
  8. }
  9. int main(void) {
  10. 	int a=6;
  11.  
  12. 	for (int i=0;i<=a;i++){
  13. 	for (int k=0;k<a-i;k++)
  14. 	printf(" ");
  15. 	  for(int j=0;j<=i;j++){
  16.     	printf("%d",comb(i,j));
  17.       }
  18. 	printf("\n");
  19. 	}
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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      1
     11
    121
   1331
  14641
 15101051
1615201561
https://ideone.com/6UrfPm
language:
C (gcc 8.3)
created:
1 hour ago
visibility:
public

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