This code deletes all nodes whose info field contains the value x. Please modify the code to delete the only first value of x : ( maybe we need to add one line )  ( do not care about yellow )

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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This code deletes all nodes whose info field contains the value x.

Please modify the code to delete the only first value of x : ( maybe we need to add one line )  ( do not care about yellow )

 

 

 

Removex() routine deletes all nodes whose info field contains the value x.
void removex(NODEPTR *head , int x)
{ NODEPTR p , q , save;
int y;
q=NULL;
p=*head;
while (p!=NULL)
if (p->info == x)
{save=p;
p= p->next;
if (q==NULL) {
freenode(*head);
*head = p;
else {freenode(save);
q->next=p;}
}else
{q = p;
p=p->next;
}
}
Transcribed Image Text:Removex() routine deletes all nodes whose info field contains the value x. void removex(NODEPTR *head , int x) { NODEPTR p , q , save; int y; q=NULL; p=*head; while (p!=NULL) if (p->info == x) {save=p; p= p->next; if (q==NULL) { freenode(*head); *head = p; else {freenode(save); q->next=p;} }else {q = p; p=p->next; } }
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