element-instertion-array.c

# include<stdio.h>

void insert(int *);

void main()
{
    int arr[10];
    int *ptr;
    ptr = &arr[0];
    printf("Value insertion in Array\n\n");
    for (int i = 0; i < 10; i++)
    {
        printf("> Enter: ");
        scanf("%d", ptr+i);
    }
    printf("\n");
    printf("> Values entered: ");
    for (int i = 0; i < 10; i++)
    {
        if (i != 9)
            printf("%d , ", *(ptr+i));
        else
            printf("%d", *(ptr+i));
    }
    insert(ptr);
}

void insert(int *arr)
{
    int position;
    int *ptr;
    int numb;
    ptr = &arr[0];
    printf("\n\n");
    printf("> To insert value, enter position: ");
    scanf("%d", &position);
    printf("\n");
    printf("Enter value to insert: ");
    scanf("%d", &numb);
    printf("\n");
    for (int i = 9; i >= position-1; i--)
    {
        arr[i+1] = arr[i];
    }
    arr[position-1] = numb;
    for (int i = 0; i < 11; i++)
    {
        if (i != 10)
            printf("%d , ", arr[i]);
        else
            printf("%d", arr[i]);
    }
    printf("\n");
}

/* Output

Value insertion in Array                                                                                                                        
                                                                                                                                                
> Enter: 12                                                                                                                                     
> Enter: 45                                                                                                                                     
> Enter: 65                                                                                                                                     
> Enter: 87                                                                                                                                     
> Enter: 98                                                                                                                                     
> Enter: 21                                                                                                                                     
> Enter: 17                                                                                                                                     
> Enter: 19                                                                                                                                     
> Enter: 36                                                                                                                                     
> Enter: 59                                                                                                                                     
                                                                                                                                                
> Values entered: 12 , 45 , 65 , 87 , 98 , 21 , 17 , 19 , 36 , 59                                                                               
                                                                                                                                                
> To insert value, enter position: 6                                                                                                            
                                                                                                                                                
Enter value to insert: 100                                                                                                                      
                                                                                                                                                
12 , 45 , 65 , 87 , 98 , 100 , 21 , 17 , 19 , 36 , 59                                                                                           
                                                                                                                                                
                                                                                                                                                
...Program finished with exit code 10                                                                                                           
Press ENTER to exit console.

*/