Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array whic ...
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编程语言 时间:
2016-08-24 19:00:32
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204
2016年8月24日 星期三 --出埃及记 Exodus 16:25"Eat it today," Moses said, "because today is a Sabbath to the LORD. You will not find any of it on the ground today ...
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其他好文 时间:
2016-08-24 17:24:11
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137
在UI层面的自动化测试开发中,元素的定位与操作是基础,也是经常遇到的困难所在。webdriver提供了8种定位: 1. id定位:find_element_by_id("id值");id属性是唯一的 2. name定位:元素的名称,find_element_by_name("name值");name ...
Matches We can make digits with matches as shown below: Given N matches, find the number of different numbers representable using the matches. We shal ...
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其他好文 时间:
2016-08-24 17:12:40
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235
看了好多人写的对map的排序 看得不太懂吧 自己写一些
map set multiset 三个容器都是 放进去 都是事先都要排序的 所以 erase insert find操作都是二分 复杂度都是logn
而 list vector 都是 n
注意的是set不能放进两个相同的元素 而vector是唯一个有下标的容器 map是独有的放进二元关系的容器
map如果放进去的是两个...
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编程语言 时间:
2016-08-24 15:53:54
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271
传送门Find an n?×?nn?×?n matrix with different numbers from 11 to n2n^2, so the sum in each row, column and both main diagonals are odd.Input
The only line contains odd integer n(1?≤?n?≤?49).n (1?≤?n?≤...
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其他好文 时间:
2016-08-24 14:45:25
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176
Given two strings, find the longest common substring. Return the length of it. Example Given A = "ABCD", B = "CBCE", return 2. Given A = "ABCD", B = " ...
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其他好文 时间:
2016-08-24 12:58:37
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145
Description Find an n?×?n matrix with different numbers from 1 to n2, so the sum in each row, column and both main diagonals are odd. Input The only l ...
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其他好文 时间:
2016-08-24 12:52:23
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128
Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: Note: You may assume the ...
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其他好文 时间:
2016-08-24 12:36:30
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132
题目 Source http://acm.hdu.edu.cn/showproblem.php?pid=4307 Description Let A be a 1*N matrix, and each element of A is either 0 or 1. You are to find su ...
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其他好文 时间:
2016-08-24 12:33:29
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222