#include <stdio.h> struct process { int burst, wait, comp, f; } p[20] = {0, 0};

int main() { int n, i, j, totalwait = 0, totalturn = 0, quantum, flag = 1, time = 0;

printf("\nEnter the No. of Process:");
scanf("%d", &n);

printf("\nEnter the Quantum time (in ms):" );
scanf("%d", &quantum);

for (i = 0; i < n; i++) 
{
    printf("Enter the Burst Time (in ms) For Process#%2d:", i + 1);
    scanf("%d", &p[i].burst);
    p[i].comp = 0;  
    p[i].f = 1;  
}

printf("\nOrder Of Execution\n");
printf("\nProcess Starting Ending Remaining");
printf("\nTime Time Time");

while (flag == 1) 
{
    flag = 0;
    for (i = 0; i < n; i++) 
    {
        if (p[i].f == 1) 
        {
            flag = 1;
            j = quantum;
            if ((p[i].burst - p[i].comp) > quantum) 
            {
                p[i].comp += quantum;  
            } else 
            {
                p[i].wait = time - p[i].comp;
                j = p[i].burst - p[i].comp;
                p[i].comp = p[i].burst;  
                p[i].f = 0;  
            }

            printf("\nprocess # %-3d %-10d %-10d %-10d", i + 1, time, time + j, p[i].burst - p[i].comp);
            time += j;
        }
    }
}

printf("\n\n-----------------");
printf("\nProcess \t Waiting Time TurnAround Time");
for (i = 0; i < n; i++) {
    printf("\nProcess #%-12d%-15d%-15d", i + 1, p[i].wait, p[i].wait + p[i].burst);
    totalwait = totalwait + p[i].wait;
    totalturn = totalturn + p[i].wait + p[i].burst;
}

printf("\n\nAverage\n-----------------------");
printf("\nWaiting Time: %f ms", totalwait / (float)n);
printf("\nTurnaround Time: %f ms\n\n", totalturn / (float)n);

return 0;

}