A sequence of numbers is called a wiggle sequence if the differences between successive numbers strictly alternate between positive and negative. The ...
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其他好文 时间：
2019-01-01 17:17:58
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134
Given a sorted positive integer array nums and an integer n, add/patch elements to the array such that any number in range [1, n] inclusive can be for ...
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2019-01-01 11:44:48
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194
Return any binary tree that matches the given preorder and postorder traversals. Values in the traversals pre and post are distinct positive integers. ...
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2019-01-01 11:04:36
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如果你正在构建一个数据库驱动的应用，那么你可能会有与Django的模型紧密映射的表单。比如，你有个BlogComment模型，并且你还想创建一个表单让大家提交评论到这个模型中。在这种情况下，写一个forms.Form类，然后在表单类中定义字段，这种一般创建表单的做法是冗余的，因为你已经在ORM模型m ...
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2018-12-30 20:22:24
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188
Given a list of positive integers, the adjacent integers will perform the float division. For example, [2,3,4] -> 2 / 3 / 4. However, you can add any ...
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2018-12-29 14:35:47
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190
https://pintia.cn/problem-sets/994805342720868352/problems/994805485033603072 Suppose that all the keys in a binary tree are distinct positive integer ...
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2018-12-29 11:57:06
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175
Given two integers n and k, you need to construct a list which contains n different positive integers ranging from 1 to n and obeys the following requ ...
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2018-12-28 15:21:42
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Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. k is a positive integer and is less than or equal to ...
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2018-12-26 20:16:04
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例1 , POJ3061：Subsequence Description A sequence of N positive integers (10 < N < 100 000), each of them less than or equal 10000, and a positive integ ...
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2018-12-23 12:00:55
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138
On a table are N cards, with a positive integer printed on the front and back of each card (possibly different). We flip any number of cards, and afte ...
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2018-12-23 11:09:25
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