Untitled

#include<stdio.h>
main()
{
	int i,n,sum,wt,tat,twt,ttat;
	int t[10];
	float awt,atat;
	printf("Enter number of processors:\n");
	scanf("%d,&n");
	for(i=0;i<n;i++)
{
printf("\n Enter the Burst time of the process %d",i+1);
scanf("\n%d",&t[i]);
}
printf("\n\nFIRST COME FIRST SERVE SHEDULING ALGORITHAM\n");
printf("\n process ID \t Waiting time \t Turn around Time\n");
printf("1\t\t0 \t\t %d\n",t[0]);
sum=0;
twt=0;
ttat=t[0];
for(i=1;i<n;i++)
{
	sum+=t[i-1];
	wt=sum;
	tat=sum+t[i];
	twt=twt+wt;
	ttat=ttat+tat;
	printf("\n %d \t\t %d \t\t %d",i+1,wt,tat);
	printf("\n\n");
}
awt=(float)twt;
atat=(float)ttat;
printf("\n Average Waiting Time %4.2f",awt);
printf("\nAvefrage turn around time %4.2f",atat);
}




\

#include <stdio.h> 
#include <conio.h> 
main()
{
int i,j,n,tat[10],wt[10],bt[10],pid[10],pr[10],t,twt=0,ttat=0; float awt,atat;
printf("\n-----------PRIORITY SCHEDULING	\n");
printf("Enter the No of Process: "); scanf("%d", &n);
for (i=0;i<n;i++)
{
pid[i] = i;
printf("Enter the Burst time of Pid %d : ",i); scanf("%d",&bt[i]);
printf("Enter the Priority of Pid %d : ",i); scanf ("%d",&pr[i]);
}
for (i=0;i<n;i++) 
for(j=i+1;j<n;j++)
{
if (pr[i] > pr[j] )
{
t = pr[i]; 
pr[i] = pr[j]; 
pr[j] = t;
t = bt[i]; 
bt[i] = bt[j]; 
bt[j] = t;
t = pid[i]; 
pid[i] = pid[j];
pid[j] = t;
}
}

tat[0] = bt[0]; 
wt[0] = 0;
for (i=1;i<n;i++)
{
wt[i] = wt[i-1] + bt[i-1];
tat[i] = wt[i] + bt[i];
}
printf("\n 		\n"); printf("Pid\t Priority\tBurst time\t WaitingTime\tTurnArroundTime\n"); printf("\n 	-\n"); for(i=0;i<n;i++)
{
printf("\n%d\t\t%d\t%d\t\t%d\t\t%d",pid[i],pr[i],bt[i],wt[i],tat[i]);
}
for(i=0;i<n;i++)
{
ttat = ttat+tat[i]; 
twt = twt + wt[i];
}
awt = (float)twt / n; 
atat = (float)ttat / n;
printf("\n\nAvg.Waiting Time: %f\nAvg.Turn Around Time: %f\n",awt,atat); 
getch();
}