1️⃣ Bitwise XOR ❓ FIND IF NUMBER IS POWER OF 2 🐣 Power of 2, Bitwise AND of Numbers Range, etc. 🎭 PsuendoCode 🧩 Bit Manipulation Pattern 🧩 ⏰: O(1) 🪐: O(1) return (n & (n - 1)) == 0; ❓ FIND UNIQUE NUMBER IN ARRAY OF PAIRS 🐣 Single Number, ...
import java.util.ArrayList; import java.util.LinkedList; import java.util.List; import java.util.Stack; /** * Created on: Nov 14, 2020 * Questions: https://leetcode.com/discuss/interview-question/914249/Uber-or-Phone-or-Union-and-Intersection-of-Two-Sorted-Interval-Lists */ public class ...
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