@AdiamAhmed
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May 19, 2025 · 7 min read · Problem Link LeetCode Version Problem Statement 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. Example: //Example 1: Input: n = 2 Output: [...
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May 17, 2025 · 5 min read · Problem Link LeetCode Version Problem Statement Given an integer array nums, handle multiple queries of the following type: Calculate the sum of the elements of nums between indices left and right inclusive where left <= right. Implement the NumA...
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May 16, 2025 · 8 min read · Problem Link LeetCode Version Let’s be honest—“Best Time to Buy and Sell Stock” sounds like something you’d Google after watching The Wolf of Wall Street at 2 a.m. and convincing yourself you’re a financial genius. The good news? There’s a greedy a...
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May 14, 2025 · 6 min read · Problem Link LeetCode Version NeetCode Version Problem Statement You are climbing a staircase. It takes n steps to reach the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Example: Input: n =...
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May 13, 2025 · 6 min read · Problem Link LeetCode Version Problem Statement Given a non-empty array of integers nums, every element appears twice except for one. Find that single one. You must implement a solution with a linear runtime complexity and use only constant extra s...
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