NullMoneyException
java.life.NullMoneyException

想写一个冒泡法排序,没什么思路,就先写了个java的

public static void main(String[] args) {
	int array[] = {88,2,43,12,34,8,67,33,99};
        for (int i = 0; i < array.length -1; i++){    
            for(int j = 0 ;j < array.length - i - 1; j++){    
                if(array[j] < array[j + 1]){    
                    int temp = array[j];
                    array[j] = array[j + 1];
                    array[j + 1] = temp;
                }
            }            
            System.out.print("第" + (i + 1) + "次排序:");
            for(int a = 0; a < array.length; a++){
                System.out.print(array[a] + "\t");
            }
            System.out.println("");
        }
            System.out.print("最终排序:");
            for(int a = 0; a < array.length; a++){
                System.out.print(array[a] + "\t");
       }
}

  写完之后,看了看,就是2个循环:

1.内层循环比较相邻2个数的大小,如果后面的大,就交换这两个数;

2.外层循环是对每个未被排序的数重复进行过程1的比较;

根据这两步,回想一下python的语法,设计python冒泡法排序

array=[88,2,43,12,34,8,67,33,99]
array_new=[]
for i in range(len(array)-1):
    print("第%s次排序"%(i+1),array)
    for j in range(len(array)-i-1):
        if(array[j]<array[j+1]):
            array[j],array[j+1]=array[j+1],array[j]
print("最终排序",array)

  

posted on 2018-01-15 14:24  NullMoneyException  阅读(142)  评论(0编辑  收藏  举报