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
Set Matrix Zeroes
Set Matrix Zeroes: Given an m x n integer matrix matrix, if an element is 0, set its entire row and column to 0’s.
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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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Data structures and algorithms
Product of Array Except Self
Product of Array Except Self: Given an integer array nums, return an array answer such that answer[i] is equal to the product of all the elements of nums except nums[i].
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Data structures and algorithms
Missing Number
Missing Number: Given an array nums containing n distinct numbers in the range [0, n], return the only number in the range that is missing from the array.
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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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