Insert and delete an element at given position in array : C Program

/* Insert and delete an element at given position in array : C Program */

#include<stdio.h>

#include<conio.h>

void main()

{

 int arr[20],number,location,count,i,choice;

 clrscr();

 printf("\n Enter count for array : ");

 scanf("%d",&count);

 printf("\n Enter %d Elements : \n",count);

 for(i=0;i<count;i++)

 {

  printf(" arr[%d] : ",i+1);

  scanf("%d",&arr[i]);

 }

 while(1)

 {

  printf("\n 1. insert array element \n 2. delete array element \n 3. exit\n Enter Choice : ");

  scanf("%d",&choice);

  if(choice==1)

  {

   printf("\nEnter element to be added in array : ");

   scanf("%d",&number);

   printf("\nEnter position for entered element : ");

   scanf("%d",&location);

   /* creating space for element */

   for(i=count;i>=location;i--)

   {

    arr[i]=arr[i-1];

   }

   count=count+1;

   arr[location-1]=number;

   /* displaying entire array */

   for(i=0;i<count;i++)

   {

    printf("\n arr[%d] : %d",i+1,arr[i]);

   }

  }

  else if(choice==2)

  {

   printf("\nEnter position for deleting element : ");

   scanf("%d",&location);

   /* creating space for element */

   while(location<count)

   {

    arr[location-1]=arr[location];

    location=location+1;

   }

   count=count-1;

   /* displaying entire array */

   for(i=0;i<count;i++)

   {

    printf("\n arr[%d] : %d",i+1,arr[i]);

   }

  }

  else if(choice==3)

  {

   exit(0);

  }

  else

  {

   printf("\nPlease enter correct choice ");

  }

 }

 getch();

}

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