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【leetcode】Unique Paths
A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point ...
分类:其他好文   时间:2014-06-28 16:02:43    阅读次数:214
[LeetCode] Unique Binary Search Trees
Given n, how many structurally unique BST's (binary search trees) that store values 1...n?For example, Given n = 3, there are a total of 5 unique BST'...
分类:其他好文   时间:2014-06-28 11:57:50    阅读次数:232
Rendering Paths
【Rendering Paths】1、在Edit->Project Settings->Player 打开的Inspector中可以设置Rendering Paths。 2、Rendering Paths的值总共有三种: Vertex Lit:少数光照特性,不支持阴影。 Forward w...
分类:其他好文   时间:2014-06-25 16:49:14    阅读次数:245
[LeetCode] Permutation Sequence
The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie...
分类:其他好文   时间:2014-06-25 14:22:41    阅读次数:139
含有$的ruby中的一些变量
ruby comes with a set of predefined variables$: = default search path (array of paths)其他Ruby特殊变量:$! 最近一次的错误信息$@ 错误产生的位置$_ gets最近读的字符串$. 解释器最近读的行数(line...
分类:其他好文   时间:2014-06-25 13:55:51    阅读次数:179
Longest Palindromic Substring
题目 Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longest palindromic substring. 方法 ...
分类:其他好文   时间:2014-06-24 19:36:55    阅读次数:212
type parameters of <T>T cannot be determined; no unique maximal instance exists for type variable T with upper bounds int,java.lang.Object
今天在进行代码检查的时候出现下面的异常:1 type parameters of T cannot be determined; no unique maximal instance exists for type variable T with upper bounds int,java.lang...
分类:编程语言   时间:2014-06-23 08:05:13    阅读次数:381
poj1942 Paths on a Grid 【排列组合】
关于这个题想说一下,刚开始准备按照有一个含有n个数的非递减序列,每个数最大值为m,数字可以重复,有多少种这样的序列,像是一个蛮复杂的排列组合 其实这道题,从left bottom到right up只能向右或者向上,也就是m+n个格子里面取m个格子写右,n个格子写上,就成了个很2的排列组合问题 值得强调的是,这个题求组合数是用分数相乘来求的,怕double丢精度可以末尾+0.5然后转化为long...
分类:其他好文   时间:2014-06-22 16:53:21    阅读次数:135
leetcode - Unique Binary Search Trees II
题目:Unique Binary Search Trees IIGivenn, generate all structurally uniqueBST's(binary search trees) that store values 1...n.For example,Givenn= 3, your...
分类:其他好文   时间:2014-06-22 13:49:21    阅读次数:243
【Leetcode】Path Sum II
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum. For example: Given the below binary tree and sum = 22, 5 / ...
分类:其他好文   时间:2014-06-21 22:44:58    阅读次数:266
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