摘要：
Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked lists:A: a... 阅读全文
摘要：
Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.分析：题意即为 阶乘尾部的零（求n！中尾部为0的个数）思路... 阅读全文