include<stdio.h> main() int q[5],lim,f=-1,-1,ele,i,ch; clrscr(); printf("\n enter queue size:"); scanf("%d",&dim); while(1) printf("\n menu.. \n"); printf("\n 1.insertion t 2.deletion it 3.display \t 4.exit \n"); printf("n enter your choice:"); scanf("%d",&ch); switch(ch) case 1:/*insertion operation*/ if(r=lim-1) printf("\n queue is full"); else if(f==-1) printf("\n enter first element:"); scanf("%d",&ele); f=0; r=0; else printf("\n enter any element:"); scanf("%d",&ele); break; case 2: deletion operation"/ if(f==-1) printf("\n queue is empty:"); else printf("\n %d is deleted",q[f++]); break: case 3: display operation if(fam-1) */ printf("in queue is empty"); else printf("in linear queue elements are:\n"); printf("\n front-->"); for(i=f;i<=r;i++) printf("\t%d",q[i]); printf("--> rear"); break; case 4:exit(0); break; case 5:printf("in invalid option"); break;