01 2018 档案

摘要:Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Copy All: You can copy all the 阅读全文
posted @ 2018-01-26 13:01 SkyMelody 阅读(99) 评论(0) 推荐(0) 编辑
摘要:A sequence of numbers is called a wiggle sequence if the differences between successive numbers strictly alternate between positive and negative. The 阅读全文
posted @ 2018-01-24 15:51 SkyMelody 阅读(100) 评论(0) 推荐(0) 编辑
摘要:You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo 阅读全文
posted @ 2018-01-23 20:49 SkyMelody 阅读(85) 评论(0) 推荐(0) 编辑