FCFS Scheduling Algorithm.c

#include<stdio.h>
struct proc
{
    int no,at,bt,ct,tat,wt;
};
struct proc read(int i)
{
    struct proc p;
    printf("\nProcess No: %d\n",i);
    p.no=i;
    printf("Enter Arrival Time: ");
    scanf("%d",&p.at);
    printf("Enter Burst Time: ");
    scanf("%d",&p.bt);
    return p;
}
int main()
{
    struct proc p[10],tmp;
    float avgtat=0,avgwt=0;
    int n,ct=0;
    printf("<--FCFS Scheduling Algorithm (Non-Preemptive)-->\n");
    printf("Enter Number of Processes: ");
    scanf("%d",&n);
    for(int i=0;i<n;i++)
        p[i]=read(i+1);
    for(int i=0;i<n-1;i++)
        for(int j=0;j<n-i-1;j++)    
            if(p[j].at>p[j+1].at)
            {
            tmp=p[j];
            p[j]=p[j+1];
            p[j+1]=tmp;
            }
    printf("\nProcessNo\tAT\tBT\tCT\tTAT\tWT\tRT\n");
    for(int i=0;i<n;i++)
    {
        ct+=p[i].bt;
		p[i].ct=ct;
        p[i].tat=p[i].ct-p[i].at;
        avgtat+=p[i].tat;
        p[i].wt=p[i].tat-p[i].bt;
        avgwt+=p[i].wt;
        printf("P%d\t\t%d\t%d\t%d\t%d\t%d\t%d\n",p[i].no,p[i].at,p[i].bt,p[i].ct,p[i].tat,p[i].wt,p[i].wt);
    }
    avgtat/=n,avgwt/=n;
    printf("\nAverage TurnAroundTime=%f\nAverage WaitingTime=%f",avgtat,avgwt);
}