Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at ...
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其他好文 时间:
2018-06-09 00:09:17
阅读次数:
170
Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes. Example: Input: 1 \ 3 / 2 O ...
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其他好文 时间:
2018-06-07 14:13:24
阅读次数:
190
For two rational numbers, your task is to implement the basic arithmetics, that is, to calculate their sum, difference, product and quotient. Input Sp ...
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其他好文 时间:
2018-06-06 00:55:02
阅读次数:
261
All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When studying DNA, it is sometimes useful to ...
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其他好文 时间:
2018-06-05 00:42:34
阅读次数:
173
利用中序遍历二叉排序树出来是个升序序列的特点,每访问一个节点,减去前面节点即为这个节点的最小差值。 ...
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其他好文 时间:
2018-06-04 16:54:58
阅读次数:
110
question: Modify binary search so that it always returns the element with the smallest index that mathes the search element (and still guarantees loga ...
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其他好文 时间:
2018-06-03 14:31:23
阅读次数:
132
python的set和其他语言类似, 是一个无序不重复元素集, 基本功能包括关系测试和消除重复元素. 集合对象还支持union(联合), intersection(交), difference(差)和sysmmetric difference(对称差集)等数学运算. 基本操作 s={1,2,"a"} ...
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编程语言 时间:
2018-06-03 12:27:23
阅读次数:
201
问题描述: Given an unsorted integer array, find the smallest missing positive integer. Example 1: Example 2: Example 3: Note: Your algorithm should run in ...
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其他好文 时间:
2018-06-02 12:58:11
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165
<url-pattern>/*</url-pattern> The /* on a servlet overrides all other servlets, including all servlets provided by the servletcontainer such as the de ...
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移动开发 时间:
2018-05-30 01:18:55
阅读次数:
222
In swift 3 and above (or !==) Checks if the values are identical (both point to the same memory address). Comparing reference types. Like == in Obj-C ...
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其他好文 时间:
2018-05-29 12:00:14
阅读次数:
150