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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. typedef struct Node* Node;
  5. struct Node {
  6.    int value;
  7.    Node left;
  8.    Node right;
  9. };
  10.  
  11. typedef struct Tree* Tree;
  12. struct Tree {
  13.    Node root;
  14. };
  15.  
  16. void Tree_add(Tree tree, int value) {
  17.    Node n;
  18.    Node p;
  19.  
  20.    n = malloc(sizeof(struct Node));
  21.    n->value = value;
  22.    n->left = NULL;
  23.    n->right = NULL;
  24.  
  25.    if (tree->root == NULL) {
  26.       tree->root = n;
  27.    } else {
  28.       p = tree->root;
  29.       while (1) {
  30.          if (value < p->value) {
  31.             if (p->left == NULL) {
  32.                p->left = n;
  33.                break;
  34.             } else {
  35.                p = p->left;
  36.             }
  37.          } else {
  38.             if (p->right == NULL) {
  39.                p->right = n;
  40.                break;
  41.             } else {
  42.                p = p->right;
  43.             }
  44.          }
  45.       }
  46.    }
  47. }
  48.  
  49. void Tree_dump(Tree tree) {
  50.  
  51. }
  52.  
  53. int main(void) {
  54.    Tree tree = malloc(sizeof(struct Tree));
  55.    Tree_add(tree, 3);
  56.    Tree_add(tree, 1);
  57.    Tree_add(tree, 5);
  58.    Tree_add(tree, 0);
  59.    Tree_add(tree, 2);
  60.    Tree_add(tree, 4);
  61.    Tree_add(tree, 6);
  62.    Tree_dump(tree);
  63.    return EXIT_SUCCESS;
  64. }
  65.  
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https://ideone.com/3LSYo3
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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