原题地址:https://oj.leetcode.com/problems/unique-paths/题意:A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The ...
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编程语言 时间:
2014-06-15 23:37:55
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311
原题地址:https://oj.leetcode.com/problems/unique-paths-ii/题意:Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many ...
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编程语言 时间:
2014-06-15 23:33:26
阅读次数:
353
原题地址:https://oj.leetcode.com/submissions/detail/5341904/题意:The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of ...
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编程语言 时间:
2014-06-15 21:33:16
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270
题目
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums
to T.
The same repeated number may be chosen from C un...
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其他好文 时间:
2014-06-15 20:00:18
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185
1 index unique scan 效率最高,主键或唯一索引2 index fast full scan 读的最快,可以并行访问索引,但输出不按顺序3 index full scan 有顺序的输出,不能并行读索引。4 index range scan 在给定的区间查询5 index s...
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其他好文 时间:
2014-06-15 19:41:17
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169
题目
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers
sums to T.
Each number in C may only be used once in...
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其他好文 时间:
2014-06-15 19:24:21
阅读次数:
229
1、
??
Unique Binary Search Trees II
Given n, generate all structurally unique BST's (binary search trees) that store values 1...n.
For example,
Given n = 3, your program should return all 5 uni...
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其他好文 时间:
2014-06-15 09:09:00
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256
表4.1、innodb存储引擎表类型innodb表类似oracle的IOT表(索引聚集表-indexorganized table),在innodb表中每张表都会有一个主键,如果在创建表时没有显示的定义主键则innodb如按照如下方式选择或者创建主键。首先表中是否有唯一非空索引(unique not...
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数据库 时间:
2014-06-15 00:05:51
阅读次数:
444
题目
Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero.
Note:
Elements in a triplet (a,b,c) ...
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其他好文 时间:
2014-06-14 12:45:13
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209
Follow up for "Unique Paths":
Now consider if some obstacles are added to the grids. How many unique paths would there be?
An obstacle and empty space is marked as 1 and 0 respectively
in the...
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其他好文 时间:
2014-06-14 12:02:12
阅读次数:
229