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   DIR Return to: Operating System
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       #Post#: 32--------------------------------------------------
       First Come First Serve (FCFS) - OS
   DIR By: prannyll
       Date: May 14, 2019, 9:55 am
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       [move]FIRST COME FIRST SERVE[/move]
       #include<stdio.h>
       #include<conio.h>
       void main()
       {
       int p|10|, count, i, wait|10|, wsum=0;
       clrscr();
       printf(" ----- FIRST COME FIRST SERVE ----");
       printf("\n Enter Processes: ");
       scanf("%d", &count);
       printf("\n Enter Execution Time For \n");
       for(i=0 ; i<count; i++)
       {
       printf(" P%d : ", i+1);
       scanf("%d", &p|i|);
       }
       
       printf("\n-----------------------------------------------------------------");
       printf("\n| PROCESS \t ARRIVAL TIME \t BURST TIME \t WAITING
       TIME \t| ");
       
       printf("\n-----------------------------------------------------------------
       \n");
       for(i=0 ; i<count; i++)
       {
       if(i==0)
       {
       //wait|i-1| = -1;
       wait|i+1| = p|i|;
       }
       else
       {
       wsum += p|i-1|;
       wait|i| = wsum;
       }
       printf("\b| P%d \t\t| %d \t\t| %d \t\t| %d \t\t|\n ", i+1,
       i+1, p|i|, wsum);
       }
       getch();
       }
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