SSTF : in os subject

#include<stdio.h>
#include<conio.h>
#include<math.h>


void main()
{
    clrscr();
    int n;
    int arr[100];

    int curr_pos = 0;
    printf("Enter no of numbers; ");
    scanf("%d", &n);

    for (int i = 0; i < n; i + +)
    {

        printf("Enter no ", i + 1, ": ");
        scanf("%d", &arr[i]);
    }

    printf("\nEnter current position: ");
    scanf("%d", &curr_pos);
    int temp_n = n;

    int total = 0;
    for (int j = 0; j < temp_n; j++)
    {

        int diff = 0;
        int k = 0;

        int temp_k = 0;
        //  if(n>1){
        for (k = 0; k < n; k++)
        {

            int temp = abs(curr_pos - arr[k]);

            if (k == 0)
            {
                diff = abs(curr_pos - arr[0]);
            }

            if (temp <= diff)
            {
                temp_k = k;

                diff = temp;
                //    printf("\ntemp = %d",temp);
            }
        }
        k = temp_k;

        printf("\n%6d - %6d = %6d", curr_pos, arr[temp_k], abs(arr[temp_k] - curr_pos));

        total = total + abs(arr[temp_k] - curr_pos);

        curr_pos = arr[temp_k];
        for (int l = temp_k; l < n; l++)
        {

            arr[l] = arr[l + 1];
        }
        n--;
    }

    printf("\n\n\Total is : %d", total);

    getch();
}