Bağlı listeden eleman silme

Bağlı listeden eleman silme, Şadi Evren ŞEKER’in anlatımındaki kod:

#include <stdio.h>
#include <stdlib.h>

struct n{
 int x;
 struct n * next;
};

typedef struct n node;

void bastir( node * r){
 while (r != NULL){
  printf("%d ", r->x);
  r = r -> next;
 }
 printf("\n");
}

void ekle( node * r, int x){
 while( r -> next != NULL){
  r =r -> next;
 }
 r -> next = ( node *) malloc (sizeof (node ) );
 r -> next -> x = x;
 r -> next -> next = NULL;
 
}

node * ekleSirali ( node * r, int x){
 if( r == NULL){ //link list božsa
  r = (node *) malloc ( sizeof ( node) );
  r -> next = NULL;
  r -> x = x;
  return r;
 }
 if(r -> x > x){ 
  node * temp = ( node * ) malloc ( sizeof ( node ) );
  temp -> x = x;
  temp -> next = r;
  r = temp;
  return temp;
 }
 node * iter = r;
 while( iter -> next != NULL && iter -> next -> x < x ){
  iter = iter -> next;
 }

node * temp = (node*)malloc(sizeof(node));
 temp->next = iter->next;
 iter->next = temp;
 temp->x = x;
 return r;
}

node * sil(node *r, int x){
 node *temp;
 node *iter = r;
 if( r->x == x){
  temp = r;
  r = r->next;
  free (temp);
  return r;
 }
 
 while ( iter->next != NULL && iter->next->x != x){
  iter = iter->next;
 }
 if ( iter->next == NULL){
  printf( "Sayi bulunamadi!\n" );
  return r;
 }
 temp = iter->next;
 iter->next = iter->next->next; 
 free (temp);
 return r;
}

int main ()
{
 node * root;
 root = NULL;
 root = ekleSirali( root, 400);
 root = ekleSirali( root, 40);
 root = ekleSirali( root, 4);
 root = ekleSirali( root, 450);
 root = ekleSirali( root, 50);
 bastir(root);
 root = sil( root, 50);
 bastir(root);
 root = sil( root, 999);
 bastir(root);
 root = sil( root, 4);
 bastir(root);
 root = sil( root, 450);
 bastir(root);  
}

#include <stdio.h>

#include <stdlib.h>

struct n{

int x;

struct n * next;

};

typedef struct n node;

void bastir( node * r){

while (r != NULL){

printf("%d ", r->x);

r = r -> next;

}

printf("\n");

}

void ekle( node * r, int x){

while( r -> next != NULL){

r =r -> next;

}

r -> next = ( node *) malloc (sizeof (node ) );

r -> next -> x = x;

r -> next -> next = NULL;

}

node * ekleSirali ( node * r, int x){

if( r == NULL){ //link list božsa

r = (node *) malloc ( sizeof ( node) );

r -> next = NULL;

r -> x = x;

return r;

}

if(r -> x > x){

node * temp = ( node * ) malloc ( sizeof ( node ) );

temp -> x = x;

temp -> next = r;

r = temp;

return temp;

}

node * iter = r;

while( iter -> next != NULL && iter -> next -> x < x ){

iter = iter -> next;

}

node * temp = (node*)malloc(sizeof(node));

temp->next = iter->next;

iter->next = temp;

temp->x = x;

return r;

}

node * sil(node *r, int x){

node *temp;

node *iter = r;

if( r->x == x){

temp = r;

r = r->next;

free (temp);

return r;

}

while ( iter->next != NULL && iter->next->x != x){

iter = iter->next;

}

if ( iter->next == NULL){

printf( "Sayi bulunamadi!\n" );

return r;

}

temp = iter->next;

iter->next = iter->next->next;

free (temp);

return r;

}

int main ()

{

node * root;

root = NULL;

root = ekleSirali( root, 400);

root = ekleSirali( root, 40);

root = ekleSirali( root, 4);

root = ekleSirali( root, 450);

root = ekleSirali( root, 50);

bastir(root);

root = sil( root, 50);

bastir(root);

root = sil( root, 999);

bastir(root);

root = sil( root, 4);

bastir(root);

root = sil( root, 450);

bastir(root);

}

Ekran çıktısı:

Bağlı Liste, Bağlı listeden eleman silme

Ahmet Cevahir ÇINAR

kendime notlar…

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