摘要： 题目： Description Did you know that if you draw a circle that fills the screen on your 1080p high definition display, almost a million pixels are lit? T 阅读全文

摘要： 题目： Description The Happy Desert is full of sands. There is only a kind of animal called camel living on the Happy Desert. Cause they live here, they 阅读全文

摘要： 题目： Description James得到了一堆有趣的硬币，于是决定用这些硬币跟朋友们玩个小游戏。在一个N行M列的表格上，每一个第i行第j列的格子上都放有一枚James的硬币，抛该硬币正面朝上的概率为Pij，所有抛硬币事件两两之间是相互独立的。 现在，玩家在M列硬币中，从每一列里各选择1枚，共M 阅读全文

摘要： 题目： Description A Horcrux is an object in which a Dark wizard or witch has hidden a fragment of his or her soul for the purpose of attaining immortali 阅读全文

摘要： 题目： Description Binary Search Tree, abbreviated as BST, is a kind of binary tree maintains the following property: each node has a Key value, which ca 阅读全文

摘要： 题目： Description Bo has been in Changsha for four years. However he spends most of his time staying his small dormitory. One day he decides to get out 阅读全文

摘要： 题目： Description Brother Xi has recently bought a smart mobile phone. Now he surfs Internet by his mobile phone almost every day. The browser that he u 阅读全文