2015年8月13日
[LeetCode] Kth Largest Element in an Array
摘要： Find thekth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.For exampl... 阅读全文
posted @ 2015-08-13 10:47 李小橘er 阅读(163) 评论(0) 推荐(0)
[LeetCode] Binary Tree Right Side View
摘要： Given a binary tree, imagine yourself standing on therightside of it, return the values of the nodes you can see ordered from top to bottom.For exampl... 阅读全文
posted @ 2015-08-13 09:51 李小橘er 阅读(185) 评论(0) 推荐(0)
2015年8月12日
[LeetCode] Balanced Binary Tree
摘要： Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth... 阅读全文
posted @ 2015-08-12 17:18 李小橘er 阅读(148) 评论(0) 推荐(0)
[LeetCode] Invert Binary Tree
摘要： Invert a binary tree. 4 / \ 2 7 / \ / \1 3 6 9to 4 / \ 7 2 / \ / \9 6 3 1 这道题呢=。=看着题目简介挺有意思的。哈哈哈。~说实话我真的很讨厌whit... 阅读全文
posted @ 2015-08-12 16:07 李小橘er 阅读(215) 评论(0) 推荐(0)
[LeetCode] Evaluate Reverse Polish Notation
摘要： Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express... 阅读全文
posted @ 2015-08-12 11:35 李小橘er 阅读(192) 评论(0) 推荐(0)
[LeetCode] Remove Element
摘要： Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat... 阅读全文
posted @ 2015-08-12 09:59 李小橘er 阅读(161) 评论(0) 推荐(0)
[LeetCode] Count Complete Tree Nodes
摘要： Given acompletebinary tree, count the number of nodes.In a complete binary tree every level, except possibly the last, is completely filled, and all n... 阅读全文
posted @ 2015-08-12 09:43 李小橘er 阅读(263) 评论(0) 推荐(0)
2015年8月11日
[LeetCode] Remove Linked List Elements
摘要： Remove all elements from a linked list of integers that have valueval.ExampleGiven:1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6,val= 6Return:1 --> 2 --> 3 --... 阅读全文
posted @ 2015-08-11 15:56 李小橘er 阅读(184) 评论(0) 推荐(0)
[LeetCode] Length of Last Word
摘要： Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe... 阅读全文
posted @ 2015-08-11 14:23 李小橘er 阅读(205) 评论(0) 推荐(0)
[LeetCode] Implement Stack using Queues
摘要： Implement the following operations of a stack using queues.push(x) -- Push element x onto stack.pop() -- Removes the element on top of the stack.top()... 阅读全文
posted @ 2015-08-11 11:14 李小橘er 阅读(194) 评论(0) 推荐(0)