27. Array Operation(insertion/deletion) in C

 #include<stdio.h>

int main(){

    int arr[10];

    int insertValue;

    int position;

    int size;

    printf("Enter the size of array:\n");

    scanf("%d",&size);

    if(size>10)

    {

        printf("Memory Overflow");

    }

    else

    {

        printf("Enter the array value :");

       for(int i=0; i<size; i++)

    {

        scanf("%d",&arr[i]);

    }

    printf("\nThe values of array are :\n");//traversal

    for(int i=0; i<size; i++)

    {

        printf(" %d|",arr[i]);

    }

    //insert any value in between unsorted array

     printf("\nEnter the position of array at which you wanted to insert :\n");

    scanf("%d",&position);

    printf("\nEnter the value u wanted to insert in the array :\n");

    scanf("%d",&insertValue);

    if(position>size+1 || position<1)

    {

        printf("Inappropriate psition !!!");

    }

    else{

     /*   //this algo is used for unsorted array

    arr[size]= arr[position-1];

    arr[position-1]=insertValue;

    size++;*/

    for(int i=size; i>=position-1; i--)//this is for sorted array

    {

        arr[i]=arr[i-1];

    }

    arr[position-1]=insertValue;

    size++;

   

    printf("\nThe modified array is :\n");

     for(int i=0; i<size; i++)

    {

        printf(" %d|",arr[i]);

    }

    }

    printf("\nEnter the position at which you wanted to delete the value :");

    scanf("%d",&position);

    for(int i=position-1; i<=size; i++)

    {

        arr[i]=arr[i+1];

    }size--;

     printf("\nThe array after deletion is :\n");

     for(int i=0; i<size; i++)

    {

        printf(" %d|",arr[i]);

    }

 }

    return 0;

}