2016年9月24日
156. Binary Tree Upside Down
摘要： Given a binary tree where all the right nodes are either leaf nodes with a sibling (a left node that shares the same parent node) or empty, flip it up 阅读全文
posted @ 2016-09-24 22:19 咖啡中不塌缩的方糖 阅读(133) 评论(0) 推荐(0)
318. Maximum Product of Word Lengths
摘要： Given a string array words, find the maximum value of length(word[i]) * length(word[j]) where the two words do not share common letters. You may assum 阅读全文
posted @ 2016-09-24 11:22 咖啡中不塌缩的方糖 阅读(116) 评论(0) 推荐(0)
319. Bulb Switcher
摘要： There are n bulbs that are initially off. You first turn on all the bulbs. Then, you turn off every second bulb. On the third round, you toggle every 阅读全文
posted @ 2016-09-24 09:31 咖啡中不塌缩的方糖 阅读(118) 评论(0) 推荐(0)
364. Nested List Weight Sum II
摘要： Given a nested list of integers, return the sum of all integers in the list weighted by their depth. Each element is either an integer, or a list -- w 阅读全文
posted @ 2016-09-24 05:49 咖啡中不塌缩的方糖 阅读(134) 评论(0) 推荐(0)
339. Nested List Weight Sum
摘要： Given a nested list of integers, return the sum of all integers in the list weighted by their depth. Each element is either an integer, or a list -- w 阅读全文
posted @ 2016-09-24 05:02 咖啡中不塌缩的方糖 阅读(111) 评论(0) 推荐(0)