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();
}

FCFS : in OS subject

#include

#include

#include

void main()

{

clrscr();

int n;

int arr[100];

int curr_pos=0;

printf("Enter no of numbers; ");

scanf("%d",&n);

//int i;

//i=0;

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

{

printf("Enter no " , i+1 , ": " );

scanf("%d",&arr[i]);

}

/* for(int j=0;j<n;j++)

{

printf("\n%d\n",arr[j]);

}*/

printf("\nEnter current position: ");

scanf("%d",&curr_pos);

int temp=curr_pos;

int total = 0;

for(int k=0;k<n;k++)

{

printf("%6d to %6d = %6d ms\n", temp, arr[k], abs(temp-arr[k]));

total = total + abs(temp-arr[k]);

temp = arr[k];

}

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

getch();

}