package 十大排序;
public class 插入排序 {
public static void main(String[] args) {
int [] arr ={1,8,6,7,4,5,3,2,9};
sort(arr);
}
private static void sort(int [] arr ){
if(arr == null || arr.length == 0)
return;
int curEle, preIndex;
for(int i = 0; i < arr.length; i++) {
preIndex = i - 1;
curEle = arr[i];
while(preIndex >=0 && arr[preIndex] > curEle){
arr[preIndex + 1] = arr[preIndex];
preIndex--;
}
System.out.println("新的位置:");
System.out.println(preIndex +1);
arr[preIndex + 1] = curEle;
}
}
}
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