def round_robin(processes, n, quantum):
    remaining_time = [bt for _, _, bt in processes]
    t = 0
    waiting_time = [0] * n
    turnaround_time = [0] * n
    complete = [False] * n

    while True:
        done = True

        for i in range(n):
            if remaining_time[i] > 0:
                done = False

                if remaining_time[i] > quantum:
                    t += quantum
                    remaining_time[i] -= quantum
                else:
                    t += remaining_time[i]
                    waiting_time[i] = t - processes[i][2] - processes[i][1]
                    remaining_time[i] = 0

        if done:
            break

    for i in range(n):
        turnaround_time[i] = processes[i][2] + waiting_time[i]

    print("\nRound Robin (Preemptive) Scheduling:")
    for i, process in enumerate(processes):
        print(f"Process {process[0]}: Waiting Time = {waiting_time[i]}, Turnaround Time = {turnaround_time[i]}")

# Input: Process ID, Arrival Time, Burst Time
processes = [[1, 0, 10], [2, 1, 4], [3, 2, 5], [4, 3, 3]]
quantum = 2
round_robin(processes, len(processes), quantum)