摘要：
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Note:Do not modify the linked list.Follow up:Can you sol... 阅读全文
摘要：
Given an absolute path for a file (Unix-style), simplify it.For example,path="/home/", =>"/home"path="/a/./b/../../c/", =>"/c"click to show corner cas... 阅读全文
摘要：
Implement pow(x,n).Subscribeto see which companies asked this question利用依次消去二进制位上的1，来进行计算double myPow(double x, int n) { double ans = 1; unsigne... 阅读全文