C progrma for First Come First Serve Algorithm

Monday, March 29th, 2010

#include<stdio.h>
#include<math.h>
#include<conio.h>
void main()
{
      clrscr();
      int p[20],b[20],w[20],t[20],i,v,n,at;
      int wt=0;
      float tw,tr;
      printf("Enter the number of process : ");
      scanf("%d",&n);
      printf("enter CPU burst time : ");
      for(i=1;i<=n;i++)
       {
         scanf("%d",&b[i]);
         t[1]=b[1];
         w[1]=0;
         at=t[1];
         wt=w[1];
	for(i=2;i<=n;i++)
	{
	  t[i]=b[i]+t[i-1];
	  at=at+t[i];
	  w[i]=t[i-1];
	  wt=wt+w[i];
	 }
       }
      printf("process \t burst_time \t wait_time \t turn_around \t \n");
      for(i=1;i<=n;i++)
      {
         printf("%d \t\t %d \t\t %d \t\t %d",i,b[i],w[i],t[i]);
         printf("\n");
      }
      printf("\n average wait time");
      tw=wt/n;
      printf("%f",tw);
      printf("\n Average turn around time");
      tr=at/n;
      printf("%f",tr);
      getch();
}

Author Name :
Ranjith

Total : 10 Comments

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10 Responses to “C progrma for First Come First Serve Algorithm”

Felipe says:

September 2, 2010 at 10:15 am

I can not compile… there is some C program in specific. to compile.

tks..
meena says:

July 28, 2011 at 5:53 pm

hey i wanted the same program using structures in c program… thank u for the basic prog
honey says:

August 8, 2011 at 2:26 pm

thanxxxxxxxxxxxxxxxxxxxx
for this
programmmmmmm

dili shukriya
safriduo says:

December 17, 2011 at 12:59 am

not workin !!!!
vaithees says:

January 31, 2012 at 10:34 am

dont upload the error program…….
rohit says:

February 13, 2012 at 2:56 pm

hey ur program is not running plz modify this program
amit says:

March 18, 2012 at 3:05 pm

hey your program is working good…..
vaibhav says:

April 25, 2012 at 12:20 pm

thanks a lot for this program this is easy to understandable…………
Rashu says:

July 29, 2012 at 9:50 pm

silly error…(seems silly, means a lot..!!)

close the first “for” loop soon after “scanf” statement…
otherwise it takes only one burst time value and remaining garbage..!!:)
NeedHelpURGENT! says:

September 16, 2012 at 2:58 pm

Can you help me with Last Come, First Served (LCFS) or Last In, First Out (LIFO)
C program codes? Please. Many Thanks!