Constructing Roads Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 9149 Accepted Submission(s): 3383 Problem Description There are N villages, which are numbered from 1 to N, and you should
1.选择排序 选择排序是一种简单直观的排序算法.它的原理是这样:首先在未排序序列中找到最小(大)元素,存放到排序序列的起始位置,然后,再从剩余未排序元素中继续寻找最小(大)元素,然后放到已排序序列的后面,以此类推,直到所有元素均排序完毕.算法实现如下: #找到最小的元素 def FindSmall(list): min=list[0] for i in range(len(list)): if list[i]<min: min=list[i] return min #选择排序 def Selec