Dem Nut La CNPTK
// DemNutLaCNPTK.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <stdio.h>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
typedef int element_type;
typedef struct node
{
element_type element;
struct node *left, *right;
} NODE;
NODE *root;
void khoi_tao_cay(NODE ** root)
{
*root = NULL;
}
void insert(NODE *tmp, NODE **root)
{
if (tmp->element < (*root)->element)
if ((*root)->left)
insert(tmp, &(*root)->left);
else
(*root)->left = tmp;
else
if ((*root)->right)
insert(tmp, &(*root)->right);
else
(*root)->right = tmp;
}
void insert_node(element_type e, NODE **root)
{
NODE *tmp;
tmp = (NODE *)malloc(sizeof(NODE));
tmp->element = e;
tmp->left = NULL;
tmp->right = NULL;
if (*root == NULL)
*root = tmp;
else
insert(tmp, root);
}
void nhap_cay(NODE **root)
{
element_type e;
printf("\n NHAP CAY NHI PHAN ! \n");
printf("\n Nhap -1 de ket thuc !\n ");
int i=1;
do {
printf("\n Nhap phan tu thu %d :",i);
scanf("%d", &e);
if (e != -1)
insert_node(e, root);
i++;
} while (e != -1);
}
int dem_nut(NODE *root)
{
if(!root)
return 0;
else
return (1 + dem_nut(root->left) + dem_nut(root->right));
}
int dem_nut_la(NODE *root)
{
if(!root)
return 0;
int dem=dem_nut_la(root->left)+dem_nut_la(root->right);
if(root->left==NULL&&root->right==NULL)
dem++;
return dem;
}
void main()
{
khoi_tao_cay(&root);
nhap_cay(&root);
int sonutcay;
sonutcay=dem_nut(root);
printf("\n So nut cua cay:%d", sonutcay);
int sonutlacay;
sonutlacay=dem_nut_la(root);
printf("\n So lut la cua cay: %d", sonutlacay);
getch();
}
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