Robin Round.cpp

#include<iostream>
using namespace std;
int main()
{
	int i,j,n,bu[10],wa[10],tat[10],t,ct[10],max; 
    float awt=0,att=0,temp=0;
    cout << "Enter the number of processes--";
    cin >> n;
    for(i=0;i<n;i++)
    {
    	cout << "\nEnter Burst time for process " << i+1 << " :";
    	cin >> bu[i];
    	ct[i]=bu[i];
	}
	cout << "Enter the size of time slice--";
	cin >> t;
	max=bu[0];
	for(i=1;i<n;i++)
	if(max<bu[i])
	max=bu[i];
	for(j=0;j<(max/t)+1;j++) 
for(i=0;i<n;i++) if(bu[i]!=0)
if(bu[i]<=t)
{ 
tat[i]=temp+bu[i]; 
temp=temp+bu[i]; 
bu[i]=0;
}
else 
{
bu[i]=bu[i]-t; 
temp=temp+t;
}
for(i=0;i<n;i++)
{ 
wa[i]=tat[i]-
ct[i]; att+=tat[i]; 
awt+=wa[i];
}
cout << "\n\tPROCESS\t BURST TIME \t WAITING TIME\tTURNAROUND TIME\n";
for(i=0;i<n;i++)
cout << "\t " << i+1 << "\t" << ct[i] << "\t"  << wa[i]  <<"\t" << tat[i];
cout << "\n\nThe Average Turn around is--" << att/n << endl; ;
cout << "The Average Waiting time is -- " << awt/n << endl;
	
	return 0;
}