Data structures and algorithms
Climbing Stairs
Climbing Stairs: You are climbing a staircase. It takes n steps to reach the top.
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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
Target Sum
Target Sum: You are given an integer array nums and an integer target.
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Data structures and algorithms
Counting Bits
Counting Bits: Given an integer n, return an array ans of length n + 1 such that for each i (0 <= i <= n), ans[i] is the number of 1's in the binary representation of i.
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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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