Minimum Size Subarray Sum | Leetcode Top Interview 150

Here we will discuss the most important data structures and algorithms questions which are usually asked in the top rated product based companies.
About me - My name is Anurag Gupta. I have done my B.Tech. from IIT Roorkee. I have done software engineer internship at Amazon and I have 3 years of work experience as a Senior Software Engineer.
Problem Link - leetcode.com/p...
Problem Description - Given an array of positive integers nums and a positive integer target, return the minimal length of a
subarray
whose sum is greater than or equal to target. If there is no such subarray, return 0 instead.