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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n, times = 0;
  5. 	scanf("%d", &n);
  6. 	while (n != 1) {
  7. 		if (n % 2 == 0)
  8. 			n /= 2;
  9. 		else if (n % 2 == 1)
  10. 			n = 3 * n + 1;
  11. 		times++;
  12. 	}
  13. 	printf("%d", times);
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/RqjRea
Sprout 201 - 3n 1 Problem
language:
C (gcc 8.3)
created:
4 hours ago
visibility:
public

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