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  1. #include <stdio.h>
  2. int w=1;
  3. int f(int p);
  4. int main(void) {
  5. 	int n;
  6. 	scanf("%d", &n);
  7. 	printf("hailstone numbers:%d, ", n);
  8. 	f(n);
  9.  
  10. 	return 0;
  11. }
  12. int f(int p)
  13. {
  14.  
  15.   if(p==1)
  16.   {
  17.    printf("no. of steps:%d", w);
  18.   }
  19.   else
  20.   if(p%2==1)
  21.   {
  22.   	p=3*p+1;
  23.   	printf("%d, ",  p);
  24.   	w=w+1;
  25.   	f(p);
  26.   }
  27.   else
  28.   if(p%2==0)
  29.   {
  30.   	p=p/2;
  31.   	printf("%d, ", p);
  32.   	w=w+1;
  33.   	f(p);
  34.   }
  35. }
  36.  
Success #stdin #stdout 0s 5468KB
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stdin
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100
stdout
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hailstone numbers:100, 50, 25, 76, 38, 19, 58, 29, 88, 44, 22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1, no. of steps:26
https://ideone.com/sKQQoK
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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