What is the goal of Single Number?
Practice this question from Single Number - XOR Cancellation Pattern Practice Quiz, with options and an explanation.
Question
What is the goal of Single Number?
Option A — Correct answer
Find the value that appears once while all others appear twice.
Option B
Sort the array and return the middle only
Option C
Use tree recursion only
Option D
Count graph components only
Explanation
Find the value that appears once while all others appear twice.