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  1. #include <stdio.h>
  2. void preInpost(int n){
  3. if(n==0) return;
  4. printf("Pre %d\n",n);
  5. preInpost(n-1);
  6. printf("In %d\n",n);
  7. preInpost(n-1);
  8. printf("Post %d\n",n);
  9. return;
  10. }
  11. int main(void) {
  12. int n;
  13. printf("Enter the value: \n");
  14. scanf("%d",&n);return 0;
  15.  
  16. preInpost(n);
  17. }
Success #stdin #stdout 0.01s 5288KB
stdin
6
stdout
Enter the value: