First Come First Serve (FCFS) Disk Scheduling Algorithm in C++

#include <iostream>

using namespace std;

int main()

{

    clrscr();

    int a,b,c=0,i=1;

    char ch='y';

    cout<<"enter value of initial head position : ";

    cin>>a;

    do

    {

        cout<<"enter value of cylinder : "<<i<<" : ";

        cin>>b;

        c+=abs(a-b);

        a=b;

        i++;

        cout<<"\nWant to enter more(y/n):";

        cin>>ch ;

    }while(ch!='n');

    cout<<" \nTotal head movement = "<<c<<" cylinders";

    getch();

}

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