#include <stdio.h>
#include <stdlib.h>

struct fcfs
{
 int pid;
 int btime;
 int wtime;
 int ttime;
}p[10];

int main()
{
int i,n,j;
struct fcfs tmp;
int totwtime=0,tottime=0;

printf("Enter no of Processes n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
  p[i].wtime=p[i-1].wtime+p[i-1].btime;
  p[i].ttime=p[i].wtime+p[i].btime;
  
  tottime = tottime+p[i].ttime;
  totwtime = totwtime+p[i].wtime;
}

printf("Total Waiting time: %d n",totwtime);
printf("Average Waiting time: %d n", totwtime/n);
printf("Total turnaround time: %d n", tottime);
printf("Average turnaround time: %d n", tottime/n);

}