#include <stdio.h>
#include <malloc.h>
struct nod {
struct nod *left;
char data;
struct nod *right;
};
typedef struct nod NOD;
typedef NOD POKOK;
NOD *NodBaru(char item) {
NOD *n;
n = (NOD*) malloc(sizeof(NOD));
if(n != NULL) {
n->data = item;
n->left = NULL;
n->right = NULL;
}
return n;
}
void BinaPokok(POKOK **T) {
*T = NULL;
}
typedef enum { FALSE = 0, TRUE = 1} BOOL;
BOOL PokokKosong(POKOK *T) {
return((BOOL)(T == NULL));
}
void TambahNod(NOD **p, char item) {
NOD *n;
n = NodBaru(item);
*p = n;
}
void preOrder(POKOK *T) {
if(!PokokKosong(T)) {
printf("%c ", T->data);
preOrder(T->left);
preOrder(T->right);
}
}
void inOrder(POKOK *T) {
if(!PokokKosong(T)) {
inOrder(T->left);
printf("%c ", T->data);
inOrder(T->right);
}
}
void postOrder(POKOK *T) {
if(!PokokKosong(T)) {
postOrder(T->left);
postOrder(T->right);
printf("%c ", T->data);
}
}
int main()
{
POKOK *kelapa;
char buah;
BinaPokok(&kelapa);
TambahNod(&kelapa, buah = 'M');
TambahNod(&kelapa->left, buah = 'E');
TambahNod(&kelapa->left->right, buah = 'I');
TambahNod(&kelapa->right, buah = 'L');
TambahNod(&kelapa->right->right, buah = 'O');
TambahNod(&kelapa->right->right->left, buah = 'D');
printf("Tampilan secara PreOrder: ");
preOrder(kelapa);
printf("\nTampilan secara InOrder: ");
inOrder(kelapa);
printf("\nTampilan secara PostOrder: ");
postOrder(kelapa);
printf("\n\n");
getch();
}