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  1. #include <stdio.h>
  2. void writeX(int n) {
  3. int i;
  4. for( i = 0; i < n; i++ ) {
  5. printf("X");
  6. }
  7. printf("\n");
  8. }
  9. void figure(int n) {
  10. 	if(n==1) writeX(n);
  11. 	else {
  12. 		figure(n-1);
  13. 		writeX(n);
  14. 		figure(n-1);
  15. 	}
  16. }
  17. int main(void) {
  18. int n;
  19. scanf("%d", &n);
  20. figure(n);
  21. return 0;
  22. }
Success #stdin #stdout 0s 5272KB
comments (?)
stdin
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3
stdout
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X
XX
X
XXX
X
XX
X
https://ideone.com/zTtI8H
language:
C (gcc 8.3)
created:
45 days ago
visibility:
public

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