int main()
{
int n,at[10],bt[10],wt[10],tat[10],ct[10],sum,i,j,k;
float totaltat=0,totalwt=0;
printf("enter the total number of processes:");
scanf("%d",&n);
printf("\nEnter The Process Arrival Time & Burst Time\n");
for(i=0;i lessthan n;i++)
{ printf("Enter Arrival time of process[%d]:",i+1);
scanf("%d",&at[i]);
printf("Enter Burst time of process[%d]:",i+1);
scanf("%d",&bt[i]);
}
/*Calculate completion time of processes*/
sum=at[0];
for(j=0;j lessthan n;j++)
{
sum=sum+bt[j];
ct[j]=sum;
}
/*Calculate Turn Around time */
for(k=0;k lessthan n;k++)
{
tat[k]=ct[k]-at[k];
totaltat=totaltat+tat[k];
}
/* Calculate Waiting time */
for(k=0;k lessthan n;k++)
{
wt[k]=tat[k]-bt[k];
totalwt=totalwt+wt[k];
}

printf("\nProcess\tAT\tBT\tCT\tTAT\tWT\n\n\n");
for(i=0;i lessthan n;i++)
{
printf("\nP%d\t %d\t %d\t %d\t %d\t %d\t\n",i+1,at[i],bt[i],ct[i],tat[i],wt[i]);
}
printf("\nAverage TurnaroundTime:%f\n",totaltat/n);
printf("\nAverage Waiting Time:%f",totalwt/n);

return 0;
}