opg5

package opgaver;

public class Opgave5 {
    public static void belgianFlag(char[] flag) {
        char temp;
        int min = 0;
        for (int i = 0; i < flag.length; i++) {
            for (int j = i + 1; j < flag.length; j++) {
                if (flag[j] > (flag[i])) {
                    min = j;
                    temp = flag[min];
                    flag[min] = flag[i];
                    flag[i] = temp;
                }
            }
            for (int j = 3; j < flag.length; j++) {
                if (flag[j] > (flag[i])) {
                    min = j;
                    temp = flag[min];
                    flag[min] = flag[i];
                    flag[i] = temp;
                }
            }
        }
    }

    public static void main(String[] args) {
        long startTime = System.nanoTime();
        char[] flag = new char[] { 'G', 'R', 'S', 'G', 'G', 'R', 'S', 'R', 'G', 'G', 'R', 'S', 'G' };
        System.out.println("Starting flag:");
        System.out.println(flag);

        belgianFlag(flag);

        System.out.println("Sorted flag:");
        System.out.println(flag);
        long endTime = System.nanoTime();
        long totalTime = endTime - startTime;
        System.out.println(totalTime);
    }
}