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Form Array by Concatenating Subarrays of Another Array

medium Solve on LeetCode

Last edited: August 2, 2025

Problem
Examples
Example 1
Example 2
Example 3
Constraints
Solution
Method 1 – Greedy Two-Pointer Subarray Matching
Intuition
Approach
Code
Complexity

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greedy leetcode string-matching two-pointers

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