srtf program in c++
#include<iostream>
using namespace std;
int main()
{
int a[10],b[10],x[10];
int waiting[10],turnaround[10],completion[10];
int i,j,smallest,count=0,time,n;
double avg=0,tt=0,end;
cout<<"\nEnter the number of Processes: "; //input
cin>>n;
for(i=0; i<n; i++)
{
cout<<"\nEnter arrival time of process: "; //input
cin>>a[i];
}
for(i=0; i<n; i++)
{
cout<<"\nEnter burst time of process: "; //input
cin>>b[i];
}
for(i=0; i<n; i++)
x[i]=b[i];
b[9]=9999;
for(time=0; count!=n; time++)
{
smallest=9;
for(i=0; i<n; i++)
{
if(a[i]<=time && b[i]<b[smallest] && b[i]>0 )
smallest=i;
}
b[smallest]--;
if(b[smallest]==0)
{
count++;
end=time+1;
completion[smallest] = end;
waiting[smallest] = end - a[smallest] - x[smallest];
turnaround[smallest] = end - a[smallest];
}
}
cout<<"Process"<<"\t"<< "burst-time"<<"\t"<<"arrival-time" <<"\t"<<"waiting-time" <<"\t"<<"turnaround-time"<< "\t"<<"completion-time"<<endl;
for(i=0; i<n; i++)
{
cout<<"p"<<i+1<<"\t\t"<<x[i]<<"\t\t"<<a[i]<<"\t\t"<<waiting[i]<<"\t\t"<<turnaround[i]<<"\t\t"<<completion[i]<<endl;
avg = avg + waiting[i];
tt = tt + turnaround[i];
}
cout<<"\n\nAverage waiting time ="<<avg/n;
cout<<" Average Turnaround time ="<<tt/n<<endl;
}