fcfs.c

//CODED BY AVI 11911037

#include<stdio.h>
#include<conio.h>
#define max 30
int main()
{
	int i,j,n,bt[max],wt[max],tat[max];
	float awt=0,atat=0;
	printf("Enter the number of process: ");
	scanf("%d",&n);
	printf("Enter the burst time of the process: ");
	for (i = 0; i < n; ++i)
	{
		scanf("%d",&bt[i]);
	}
	printf("process\t burst time\t waiting time\t turn around time\n");
	for (i = 0; i <n; ++i)
	{
		wt[i]=0;
		tat[i]=0;
		for(j=0;j<i;j++)
		{
			wt[i]=wt[i]+bt[j];
		}
		tat[i]=wt[i]+bt[i];
		awt=awt+wt[i];
		atat=atat+tat[i];
		printf("%d\t%d\t\t%d\t\t%d\n",i+1,bt[i],wt[i],tat[i]);
	}
	awt=awt/n;
	atat=atat/n;
	printf("Average waiting time= %f \n",awt);
	printf("Average turnaround time= %f",atat);
	return 0;
}