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- import java.util.Scanner;
- import java.util.HashSet;
- public class BubbleSort{
- // 交換a和b
- public static void swap(int[] a, int i, int j) {
- int tmp = a[i];
- a[i] = a[j];
- a[j] = tmp;
- }
- public static void main(String args[]){
- int arrLen = (int)((Math.random()*100)+1);
- // 產生不重複Array
- int arr[] = new int[arrLen];
- HashSet<Integer> book = new HashSet<Integer>(); //用集合去判斷是否重複
- for (int ar=0; ar<arrLen; ar++) {
- int rng = (int)((Math.random()*100)+1);
- if (!book.contains(rng)){
- arr[ar] = rng;
- book.add(rng);
- }
- else ar-=1;
- }
- Scanner scn = new Scanner(System.in);
- boolean n = scn.nextInt() == 1?true:false;
- for (int i=0; i<arr.length; i++) {
- for (int j=0; j<arr.length-i-1; j++) {
- if(!(n ^ (arr[j] > arr[j+1]))){
- swap(arr, j, j+1);
- }
- }
- }
- for (int k=0; k<arr.length; k++) System.out.printf("%d ", arr[k]);
- System.out.println("");
- }
- }
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