#include<stdio.h>
#include<conio.h>
int main()
{    int i,j,n,time,remain,flag=0,ts;
     int sum_wait=0,sum_turnaround=0,at[10],bt[10],rt[10];
     printf("Enter no of Processes : ");
     scanf("%d",&n);
     remain=n;
     for(i=0;i<n;i++)
    {     printf("Enter  arrival time and burst time for Process P%d :",i+1);                 scanf("%d",&at[i]);
          scanf("%d",&bt[i]);
          rt[i]=bt[i];         }
   printf("Enter time slice");
   scanf("%d",&ts);
   printf("\n\nProcess\t|Turnaround time|waiting time\n\n");                          for(time=0,i=0;remain!=0;)
       {     if(rt[i]<=ts && rt[i]>0)
                       {       time+=rt[i];       rt[i]=0;       flag=1;     }
               else if(rt[i]>0)
                      {       rt[i]-=ts;       time+=ts;     }
                if(rt[i]==0 && flag==1)
                      {       remain--;
              printf("P[%d]\t|\t%d\t|\t%d\n",i+1,time-at[i],time-at[i]-bt[i]);                     sum_wait+=time-at[i]-bt[i];
              sum_turnaround+=time-at[i];
              flag=0;     }
               if(i==n-1)
               i=0;
             else if(at[i+1]<=time)
             i++;
             else       i=0;             }
 printf("\nAvg sum_wait = %f\n",sum_wait*1.0/n);
printf("Avg sum_turnaround = %f",sum_turnaround*1.0/n);
return 0; }