Take 2 strings s1 and s2 including only letters from ato z. Return a new sorted string, the longest possible, containing distinct letters, each taken ...
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其他好文 时间:
2019-02-11 10:25:28
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210
Do you know that there are squares within a square. This might seem confusing, but take a look at this. Suppose you have a squ ...
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其他好文 时间:
2019-02-10 10:52:14
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170
We have an array A of non-negative integers. For every (contiguous) subarray B = [A[i], A[i+1], ..., A[j]] (with i <= j), we take the bitwise OR of al ...
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其他好文 时间:
2019-02-05 14:20:04
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174
虽然已经进入2019年一个多月了但总感觉过完农历新年2018才真正过去。这一年对我来说是极其重要的一年我对未来职业方向的选择进行了尝试与努力并在年末基本确定了下来,同时我的世界观也更加成熟了,个人得到了许多的成长。2018年我听了一首歌can't take my eyes off you,觉得它充满 ...
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其他好文 时间:
2019-02-05 11:51:43
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167
/* 加粗:语音部分 * 红色:单词部分 * 斜体:语法部分 * 下划线:信号词/句 */ 第 1 段 1.Listen to a conversation between a student and her public relations professor. 听一段学生和她公共关系教授的对话你... ...
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其他好文 时间:
2019-02-04 16:53:42
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247
Two people face two piles of stones and make a game. They take turns to take stones. As game rules, there are two different methods of taking stones: ...
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其他好文 时间:
2019-01-28 20:15:19
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184
Let's consider m apples divided into n groups. Each group contains no more than 100 apples, arranged in a line. You can take any number of consecutive ...
遇到的问题 在处理数据过程中,遇到需要取(n)个数的问题,而当样本量过大的时候,就不能简单的take(n),这类问题一般有两种情况: 有序取 TopN 无序取 N 先来讨论 无序取N 的情况: sample 函数 sample(boolean, fraction,seed) : 按比例抽取 返回一个 ...
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其他好文 时间:
2019-01-16 15:00:06
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241
Now let’s take a peek at our indices: 现在让我们来看看我们的指数: And the response: Which simply means we have no indices yet in the cluster. 这仅仅意味着我们在集群中还没有索引。 Wh ...
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其他好文 时间:
2019-01-15 15:47:12
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188
People are always talking about 'the problem of youth'. If there is one--which I take leave to doubt -- then it is older people who create it, not the ...
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其他好文 时间:
2019-01-14 14:34:58
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171