Data structures and algorithms
Binary Search
Binary Search: Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in nums.
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Data structures and algorithms
Minimum Depth of Binary Tree
Minimum Depth of Binary Tree: Given a binary tree, find its minimum depth.
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Data structures and algorithms
Average of Levels in Binary Tree
Average of Levels in Binary Tree: Given the root of a binary tree, return the average value of the nodes on each level in the form of an array.
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Data structures and algorithms
Valid Parentheses
Valid Parentheses: Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
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Data structures and algorithms
Single Number
Single Number: Given a non-empty array of integers nums, every element appears twice except for one.
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Data structures and algorithms
Range Query Sum Immutable
Range Query Sum Immutable: Given an integer array nums, handle multiple queries of the following type:
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After investing countless hours in courses, books, and guides, as well as honing my skills on LeetCode, we came to the realization that interview preparation can be an incredibly time-consuming process, not to mention the stress of actually passing the interviews.
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