题目如下： Given an array arr. You can choose a set of integers and remove all the occurrences of these integers in the array. Return the minimum size of t ...
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2020-02-08 15:25:57
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签到成功 只求week4不要交白卷 Crypto Exchange 题目： Our admin hijacked a secret channel and it looks like there are two teams doing some unspeakable transactions. n ...
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2020-02-08 09:57:02
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1 """ 2 Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. ...
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2020-02-07 18:47:24
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1 """ 2 Given a linked list, swap every two adjacent nodes and return its head. 3 You may not modify the values in the list's nodes, only nodes itself ...
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2020-02-07 18:27:44
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A binary search tree is uniquely determined by a given ordered insertions of a sequence of positive integers. On the other hand, a given binary search ...
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2020-02-07 10:53:55
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Given a string S of lowercase letters, a duplicate removal consists of choosing two adjacent and equal letters, and removing them. We repeatedly make ...
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2020-02-07 10:42:50
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Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k. Example 1: Input:nums = ...
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2020-02-07 00:48:28
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You are given a list of non-negative integers, a1, a2, ..., an, and a target, S. Now you have 2 symbols + and -. For each integer, you should choose o ...
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2020-02-06 23:22:15
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1 """ 2 Given an array A of non-negative integers, half of the integers in A are odd, and half of the integers are even. 3 Sort the array so that when ...
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2020-02-06 23:03:15
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1 """ 2 Intersection of Two Arrays 3 Given two arrays, write a function to compute their intersection. 4 Example 1: 5 Input: nums1 = [1,2,2,1], nums2 ...
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2020-02-06 23:00:09
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