# LeetCode 201. Bitwise AND of Numbers Range

Description https://leetcode.com/problems/bitwise-and-of-numbers-range/ Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of…

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Description https://leetcode.com/problems/bitwise-and-of-numbers-range/ Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of…

Description https://leetcode.com/problems/subarray-sum-equals-k/ Given an array of integers and an integer k, you need to find the total number of continuous subarrays…

Description https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal/ Return the root node of a binary search tree that matches the given preorder traversal. (Recall that a binary search tree is a…

Total 51 questions. Array and Strings Array and String type of questions were asked in interviews frequently. You will most…

Description https://leetcode.com/problems/search-in-rotated-sorted-array/ Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]).…

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Description https://leetcode.com/problems/contiguous-array/ Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and…