J_Liao

摘要： 原题：Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the 阅读全文

摘要： 题目： You are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you take turns to remove 1 to 3 阅读全文