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wt[0] = 0;
    for (i = 1; i < n; i++) {
            wt[i] = wt[i - 1] + bt_copy[i - 1];
                }

                    // Turnaround time = burst time + waiting time
                        for (i = 0; i < n; i++) {
                                tat[i] = bt_copy[i] + wt[i];
                                    }

                                        printf("\n--- SJF Scheduling ---\n");
                                            printf("Process\tBurst Time\tWaiting Time\tTurnaround Time\n");
                                                for (i = 0; i < n; i++) {
                                                        printf("P%d\t%d\t\t%d\t\t%d\n", i + 1, bt_copy[i], wt[i], tat[i]);
                                                                total_wt += wt[i];
                                                                        total_tat += tat[i];
                                                                            }

                                                                                printf("Average Waiting Time = %.2f\n", total_wt / n);
                                                                                    printf("Average Turnaround Time = %.2f\n", total_tat / n);
                                                                                    }

                                                                                    int main() {
                                                                                        int n, i;
                                                                                            printf("Enter number of processes: ");
                                                                                                scanf("%d", &n);

                                                                                                    int bt[n];
                                                                                                        printf("Enter burst time for each process:\n");
                                                                                                            for (i = 0; i < n; i++) {
                                                                                                                    printf("P%d: ", i + 1);
                                                                                                                            scanf("%d", &bt[i]);
                                                                                                                                }

                                                                                                                                    FCFS(n, bt);
                                                                                                                                        SJF(n, bt);

                                                                                                                                            return 0;
                                                                                                                                            }