LeetCode 167: Two Sum Ii Input Array Is Sorted — Step-by-Step Visual Trace

📰 Dev.to · tracelit

Learn to solve the Two Sum II problem on LeetCode, finding two numbers in a sorted array that add up to a target value and returning their 1-indexed positions, which is crucial for improving coding skills in algorithmic problems

intermediate Published 9 Apr 2026
Action Steps
  1. Read the problem statement carefully to understand the requirements
  2. Initialize two pointers, one at the start and one at the end of the sorted array
  3. Compare the sum of the values at the two pointers with the target value and adjust the pointers accordingly
  4. Return the 1-indexed positions of the two numbers that add up to the target value
  5. Test the solution with example inputs to ensure its correctness
Who Needs to Know This

This problem is beneficial for software engineers and developers who want to improve their coding skills, especially in algorithmic problems, and can be useful in a team setting where problem-solving skills are valued

Key Insight

💡 Using a two-pointer technique in a sorted array can efficiently solve the Two Sum II problem

Share This
💡 Solve Two Sum II on LeetCode by using a two-pointer technique in a sorted array #leetcode #twosum

Full Article

Find two numbers in a sorted array that add up to a specific target value, returning their 1-indexed positions.
Read full article → ← Back to Reads

Related Videos

Stump Grinder Carbide Wheel Grinds Hardwood To Chips
Stump Grinder Carbide Wheel Grinds Hardwood To Chips
Innoforge Studio
The illusion of originality | Lyra Wells | TEDxLuxembourgCity
The illusion of originality | Lyra Wells | TEDxLuxembourgCity
TEDx Talks
Saylor Plans to sell $1.25B of Bitcoin. Good or Bad for BTC?
Saylor Plans to sell $1.25B of Bitcoin. Good or Bad for BTC?
VirtualBacon
Media Narratives: How Media Shapes Youth Mindset? | Panel Discussion | Fareed Ahmad
Media Narratives: How Media Shapes Youth Mindset? | Panel Discussion | Fareed Ahmad
Qasim Ali Shah Foundation
Git Rerere: The Secret Merge Feature
Git Rerere: The Secret Merge Feature
NeuralNine
The New Era of Sports Fandom: Inside NBA Top Shot with Matt Schorr
The New Era of Sports Fandom: Inside NBA Top Shot with Matt Schorr
Joseph Raczynski