LeetCode 1228 - Missing Number In Arithmetic Progression

Parent index: LeetCode 500 Problem Index MOC

Problem Metadata

• LeetCode URL: https://leetcode.com/problems/missing-number-in-arithmetic-progression/
• Frontend ID: 1228
• Difficulty: Easy
• Primary category: Searching
• Source lists: NeetCode Practice, NeetCode Premium Algo 100

Related Algorithms

• Searching
• Binary Search

Research Status

• Problem statement and constraints verified against the LeetCode page.
• Core algorithm explained in paper-style prose.
• Worked examples, edge cases, complexity proof, and pitfalls added.
• Solution variants linked back to the relevant algorithm notes.

See Also

• LeetCode 500 Problem Index MOC
• SWE Interview Preparation MOC