Important function of Binary Tree
typedef struct TreeNode_t {
int valude; struct TreeNode_t *left, *right;
}TreeNode;
TreeNode *TreeNode_create(int value) {
TreeNode *node = malloc(sizeof(TreeNode)); Node->value=value; node->left=NULL; node->right=NULL; return node;
}
TreeNode *Tree_insert(TreeNode *node, int value)
{
if (node==NULL) return TreeNode_create(value); if(node->value>=value) node->left=Tree_insert(node->left,value); else node->right=Tree_insert(node->right,value); return node;
}
void Tree_inorder(TreeNode *node) {
if (node==NULL)
return ;
Tree_inorder(node->left);
printf("%d\n",node->value);
Tree_inorder(node->right);
}
int main(int argc, char *argc[]) {
if(argc!=3)
{
return EXIT_FAILURE;
}
FILE *f=fopen(argv[1],"r");
if (f==NULL)
{
return EXIT_FAILURE;
}
int num;
TreeNode *root=NULL;
while(fscanf(f,"%d",&sum)==1)
{
root = Tree_insert(root,num);
}
fclose(f); Tree_inorder(root);
return EXIT_FAILURE; }
