sa

#include <stdio.h>
#include <stdlib.h>
#define MAX 10

int a[MAX];
void lp(int,int[]);
void lpsr(int,int []);
void display(int []);
int


 main()
{
    int i,key,ch;
    for(i=0;i<MAX;i++)
    {
        a[i]='\0';
    }
    do{
        printf("\n\n Program or insertion/searching keys with linear probing");
            printf("\n1.Insert Keys");
                printf("\n2.Search Keys");
                    printf("\n3.Display Keys");
                        printf("\n4.Exit");
                            printf("\nSelect Operation");
                            scanf("%d",&ch);
                            switch(ch)
                            {
                                case 1: do{
                                    printf("Enter key value:  ");
                                    scanf("%d",&key);
                                    if(key!=-1)
                                    lp(key,a);

                                }
                                while(key!=-1);
                                display(a);
                                    break;
                                case 2: printf("Enter search key value: ");
                                scanf("%d",&key);
                                lpsr(key,a);
                                break;
                            case 3: display(a);
                            break;
                            }
                            }
                            while(ch!=4);



    }
    //insert key
    void lp(int key,int a[MAX])
    {
        int loc,i=1;
        loc=key%MAX;
        while(a[loc]!='\0')
        {

        loc= (key % MAX =i*j) % MAX;
        i++;
        a[loc]=key;

    }

    //search
    void qpsr(int key,int a[MAX])
    {
        int [ioc];
        loc=key%MAX;
        while((a[loc]!=key)&&(a[loc]!='\0'))
        loc=++loc%MAX;
        if(a[loc]!='\0')
        printf("\n Search successful at index %d",loc);
        else
        printf("\n Search unsuccessful");
    }

    void display(int a[MAX])

{
    int i;
    printf("\n List of keys'0' indicate that the list is empty");
    for (i=0;i<MAX;i++)
    {
        printf("%d",a[i]);


    }
}