PROGRAM TO INSERT AT LOCATION IN LINEAR LINKED LIST
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/******************************************************/ /*PROGRAM TO INSERT AT LOCATION 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,loc; 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++; } printf("\nEnter the item tobe inserted: "); scanf("%d",&item); printf("\nEnter the location: "); scanf("%d",&loc);
newnode=(struct linear_list *)malloc(sizeof(struct linear_list)); newnode->info=item; ptr=start; i=1; while(i { ptr=ptr->next; i++; } newnode->next=ptr->next; ptr->next=newnode; printf(“\n After insertion Linked List is:\n”); ptr=start; i=1; while(ptr!=NULL) { printf("\nNode %d : %d",i,ptr->info); ptr=ptr->next; i++; } getch(); }
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