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  1. #include <stdio.h>
  2.  
  3. void writeX(int n){
  4.     int i;
  5.  
  6.     for(i = 0; i < n; i++){
  7.         printf("X");
  8.     }
  9.     printf("\n");
  10. }
  11.  
  12. void figure(int n){
  13.     if(n == 1){
  14.         writeX(1);
  15.     }else{
  16.         figure(n - 1);
  17.         writeX(n);
  18.         figure(n - 1);
  19.     }
  20. }
  21.  
  22. int main(void){
  23.     int n;
  24.  
  25.     scanf("%d", &n);
  26.     figure(n);
  27.  
  28.     return 0;
  29. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/4GvEBt
language:
C (gcc 8.3)
created:
3 hours ago
visibility:
public

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