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  1. #include <stdio.h>
  2. void writeX(int n) 
  3. {
  4. int i;
  5. for( i = 0; i < n; i++ ) 
  6. {
  7. printf("X");
  8. }
  9. printf("\n");
  10. }
  11. void figure(int n) 
  12. {
  13. if(n <= 0)
  14. {
  15. printf("error");
  16. }
  17. else if(n == 1)
  18. {
  19. writeX(n);
  20. }
  21. else
  22. {
  23. figure(n-1);
  24. writeX(n);
  25. figure(n-1);
  26. }
  27. }
  28. int main(void) 
  29. {
  30. int n;
  31. scanf("%d", &n);
  32. figure(n);
  33. return 0;
  34. }
Success #stdin #stdout 0.01s 5308KB
comments (?)
stdin
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7
stdout
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X
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https://ideone.com/nU9Bjh
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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