码迷,mamicode.com
首页 >  
搜索关键字:triangle leetcode    ( 35974个结果
[Leetcode] Balanced Binary Tree
问题:给一个二叉树,写一个算法判断这个树是不是balanced。Solution #1.第一次遇到这个问题时我的解法,如下:public class Solution { public boolean isBalanced(TreeNode root) { if(root == ...
分类:其他好文   时间:2014-05-05 12:50:49    阅读次数:263
【LeetCode】Jump Game
Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu...
分类:其他好文   时间:2014-05-05 10:05:58    阅读次数:300
[LeetCode] 在一堆字符串中找出包含相同字符的 group的较快方法,题 Anagrams
题目:Given an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.class Solution {public: vector ...
分类:其他好文   时间:2014-05-04 20:48:08    阅读次数:608
LeetCode: plusOne 题解
Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at...
分类:其他好文   时间:2014-05-04 19:46:18    阅读次数:372
【LeetCode】Evaluate Reverse Polish Notation
题目 Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Some examples: ["2...
分类:其他好文   时间:2014-05-04 18:34:44    阅读次数:272
LeetCode---Gas Station
明知道明早要考试,可还是忍不住打开电脑想水一题。不过还是在这题上WA了好几次....看见自己有多渣!有个道理发现了很久,直到今天才意识到它的严重性,反复的做题只能让你不断的巩固已有的知识,而对于新知识的探索是少只又少,所以必须要通过多读书来获取新的知识,这样才能够扩充知识面。而之前的我就是忽略了读书...
分类:其他好文   时间:2014-05-04 12:18:21    阅读次数:218
二叉树的遍历--非递归实现
leetcode中有这么一道题,非递归来实现二叉树的遍历。二叉树的后序遍历顺序为,root->left, root->right, root,因此需要保存根节点的状态。显然使用栈来模拟递归的过程,但是难点是怎么从root->right转换到root。方法1:对于节点p可以分情况讨论1. p如果是叶子...
分类:其他好文   时间:2014-05-04 10:39:13    阅读次数:251
Distinct Subsequences
题目: Given a string S and a string T, count the number of distinct subsequences of T in S. A subsequence of a string is a new string which is formed from the original string by deleting some (c...
分类:其他好文   时间:2014-05-03 21:48:19    阅读次数:252
【LeetCode】Substring with Concatenation of All Words
You are given a string, S, and a list of words, L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenation of each word in L exactly once and without an...
分类:其他好文   时间:2014-05-03 21:35:49    阅读次数:310
POJ 1673 三角形垂心
EXOCENTER OF A TRIANGLE Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 3209   Accepted: 1259 Description Given a triangle ABC, the Extriangles of ABC are cons...
分类:其他好文   时间:2014-05-03 21:14:28    阅读次数:340
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!