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FCFS algorithm C++ program please help!

Hi to all,
im just a newbie here..
can someone help me with my program about FCFS scheduling algo,
here the code that i made..
the first 2 process is correct but the succeding process is not.. please help me with the right computation.

note: TAT= Time of completion - Arrival Time;
Expand|Select|Wrap|Line Numbers
  1. #include<stdio.h>
  2. #include<conio.h>
  4. int proc,x,at[10],bt[10],sum;
  5. main()
  6. {
  7. clrscr();
  9. printf ("Input number of process: ");
  10. scanf("%d",&proc);
  12. printf ("\n\nProcess#\t\tArrival Time\t\tBurst Time\tTat");
  14. for (x=1;x<=proc;x++)
  15. {
  16. gotoxy (4,4+x);
  17. printf("%d",x);
  20. gotoxy (30,4+x);
  21. scanf ("%d", &at[x]);
  23. gotoxy (55,4+x);
  24. scanf("%d",&bt[x]);
  26. sum=sum+1+bt[x]-at[x];
  28. gotoxy (65,4+x);
  29. printf("%d",sum);
  30. }
  31. getch();
  33. return 0;
  34. }
Thanks a lot!
Feb 10 '08 #1
1 12652
Read Arrival Time and Burst Time for all Process
Let WaitingTime[0] = 0 and TAT[0]=BurstTime[0]
Feb 12 '08 #2

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