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Words count in article: 250 | Reading time ≈ 1
题目Given two words word1 and word2, find the minimum number of operations required to convert word1 to word2. You have the following 3 operations permi ...
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Words count in article: 897 | Reading time ≈ 4
题目There are a total of numCourses courses you have to take, labeled from 0 to numCourses-1. Some courses may have prerequisites, for example to take c ...
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Words count in article: 215 | Reading time ≈ 1
题目Given a non negative integer number num. For every numbers i in the range 0 ≤ i ≤ num calculate the number of 1’s in their binary representation and ...
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Words count in article: 359 | Reading time ≈ 2
题目Given a set of N people (numbered 1, 2, ..., N), we would like to split everyone into two groups of any size. Each person may dislike some other peo ...
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Words count in article: 227 | Reading time ≈ 1
题目Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. Example 1: 123Input: [0,1]Output: 2Explanation: ...
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Words count in article: 339 | Reading time ≈ 2
题目We write the integers of A and B (in the order they are given) on two separate horizontal lines. Now, we may draw connecting lines: a straight line ...
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