PROGRAM TO COUNT NUMBER OF NODES IN LINEAR LINKED LIST
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/********************************************************/ /*PROGRAM TO COUNT NUMBER OF NODES IN LINEAR LINKED LIST*/ /********************************************************/
#include < stdio.h> #include < conio.h> #include < malloc.h> #include < process.h> #include < ctype.h>
struct linear_list { int info; struct linear_list *next; }*start,*newnode,*ptr;
void main() { int item,num; int i; char ch; clrscr(); newnode=(struct linear_list*)malloc(sizeof(struct linear_list)); start=newnode; do { printf("\nEnter data: "); scanf("%d",&item); newnode->info=item; printf("\nDo you want to create another node:(y/n)"); fflush(stdin); scanf("%c",&ch); if(tolower(ch)=='y') { newnode->next=(struct linear_list*)malloc(sizeof(struct linear_list)); newnode=newnode->next; } else { newnode->next=NULL; } }while(tolower(ch)!='n'); printf(“\n Linked List is:\n”); ptr=start; i=1; while(ptr!=NULL) { printf("\nNode %d : %d",i,ptr->info); ptr=ptr->next; i++; }
num=0; ptr=start; while(ptr!=NULL) { ptr=ptr->next; num++; }
printf("\nThe number of nodes in the linked list are: %d",num); getch(); }
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