Untiy-->C# 冒泡排序与不用第三个变量实现排序

using UnityEngine;
using System.Collections;

public class pppp : MonoBehaviour {
public int[] a = {2,3,1,4,6,7,8,9,0};
// Use this for initialization
void Start () {
for(int j=0;j<a.Length;j++){
for(int i=0;i<a.Length-1;i++){
if(a[i]<a[i+1]){
//					int n=a[i];
//					a[i]=a[i+1];
//					a[i+1]=n;
a[i]=a[i]+a[i+1];
a[i+1]=a[i]-a[i+1];
a[i]=a[i]-a[i+1];
}
}
}
foreach(int n in a){
Debug.Log(n);
}
}

// Update is called once per frame
void Update () {

}
}