Decoding the Two Pointer Technique in a Coding Interview Using Javascript
We’re continuing our common coding interview patterns series by introducing the two pointer pattern. This patten is helpful in problems where you want to avoid looping over an array or linked list multiple times.
The Challenge:
Given an array of sorted numbers and a target sum, find a pair in the array whose sum is equal to the given target.
Video Overview:
0:44 Two pointer pattern overview
2:54 Problem
3:39 Naive approach
5:46 Two pointer approach
7:43 Javascript solution
16:32 Test cases
17:33 Recap
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