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void main()
 {
 int order[10],d=0,k=0,j=0,at[10],t=0,w=0,n=0,ct=0, st[10],ft[10],wt[10],ta[10], i=0,min,flag[10],clk=0;    
 float rt[10];
 cout<<"\n\nEnter No. of Process: ";
 cin>>n;
 cout<<"\nEnter Arrival time and Service Time.. \n";
 for(i=0;i<n;i++)
 {    
 cin>>at[i]>>st[i];
 flag[i]=0;
 ct+=st[i];
 }
 while(clk<ct)  //Creating a Lock to Arrest the Whole Loop. Here, only when Total Clock Time is equal to
                // Current clock time it will exit the loop.
 {
 min=100;       // Assiging a Dummy Value for only first check.
 for(i=0;i<n;i++)
 {
 if(st[i]<min&&flag[i]==0&&at[i]<=clk) // Finding a job which has minimum Service time (comparision)
 {                                     // and checking its Flag and Arrival Time with current Clock.
 min=st[i];
 j=i;                                  // If found we are assigning it.
 }
 }
 order[d]=j;    // Doing calculations....
 flag[j]=1;
 clk+=st[j];
 ft[j]=clk;
 ta[j]=ft[j]-at[j];
 wt[j]=ta[j]-st[j];
 rt[j]=(float)ta[j]/st[j];
 d++;
 }    
 cout<<"\nResults...\n"<<"Order\tAT\tST\tFT\tWT\tTA\tRatio\n";
 for(i=0;i<n;i++)
 {
 k = order[i];
 cout<<i+1<<"\t"<<at[k]<<"\t"<<st[k]<<"\t"<<ft[k]<<"\t"<<wt[k]<<"\t"<<ta[k]<<"\t"<<rt[k]<<"\n";
 }    
 for(i=0;i<n;i++)
 {
 t=ta[i]+t;
 w=wt[i]+w;
 }
 cout<<"\nAverage Turnaround Time is "<<(float)t/n<<" and Wait time is "<<(float)w/n<<"\n";
}