roundrobin

#include <stdio.h>
int main() {
    int n, tq, time = 0, totalWait = 0, totalTurn = 0;
    printf("Enter the number of processes and time quantum: ");
    scanf("%d %d", &n, &tq);
    int bt[n], remain[n], wt[n], tat[n];
    printf("Enter the burst times: ");
    for (int i = 0; i < n; i++) {
        scanf("%d", &bt[i]);
        remain[i] = bt[i];
        wt[i] = 0;
    }
    while (1) {
        int done = 1;
        for (int i = 0; i < n; i++) {
            if (remain[i] > 0) {
                done = 0;
                if (remain[i] > tq) {
                    time += tq;
                    remain[i] -= tq;
                } else {
                    time += remain[i];
                    wt[i] = time - bt[i];
                    remain[i] = 0;
                }
            }
        }
        if (done) break;
    }
    for (int i = 0; i < n; i++) {
        tat[i] = wt[i] + bt[i];
        totalWait += wt[i];
        totalTurn += tat[i];
        printf("P%d %d %d %d\n", i + 1, bt[i], wt[i], tat[i]);
    }
    printf("Average Waiting Time: %.2f\n", (float)totalWait / n);
    printf("Average Turnaround Time: %.2f\n", (float)totalTurn / n);
    return 0;
}