One of the amazon recruiters reached out to me on LinkedIn for the SDE 1 position for amazon’s Global selling team. So, basically, they were hiring for a fulfillment platform for enabling cross-border commerce across multiple countries. I shared my resume which happen to be the first screening process. Normally…

Problem statement — Given an integer array nums, move all 0's to the end of it while maintaining the relative order of the non-zero elements. Note that you must do this in-place without making a copy of the array. Example 1: Input: nums = [0,1,0,3,12] Output: [1,3,12,0,0] Example 2: Input…

Problem statement — Given an array, rotate the array to the right by k steps, where k is non-negative. Example 1: Input: nums = [1,2,3,4,5,6,7], k = 3 Output: [5,6,7,1,2,3,4] Explanation: rotate 1 steps to the right: [7,1,2,3,4,5,6] rotate 2 steps to the right: [6,7,1,2,3,4,5] rotate 3 steps to the right: [5,6,7,1,2,3,4]…

Problem Statement — Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place such that each unique element appears only once. The relative order of the elements should be kept the same. Since it is impossible to change the length of the array in some languages, you…

Problem statement : Given an array nums, return true if the array was originally sorted in non-decreasing order, then rotated some number of positions (including zero). Otherwise, return false. There may be duplicates in the original array. Note: An array A rotated by x positions results in an array B…

The Scanner class is used to get user input, and it is found in the java.util package. To use the Scanner class, create an object of the class and use any of the available methods found in the Scanner class documentation. In our example, we will use the nextLine() method…

My Codeforces and Leetcode HeatMap So, I was consistent on Codeforces for 215 days, Leetcode for 199 Days, and InterviewBit for 202 Days. And following are the tips which helped me to become consistent. 💡 Find Your SOLID Reason! You need to have a strong reason. So, find your reason. It can be anything (passion…

Data Structures and Algorithms are things that can set you up for highly lucrative jobs in Programming. Top-tier product-based companies like Google and Microsoft are actively hunting for software engineers who are well versed in DSA. However, it can get a bit tricky if you are already a working professional…