What is the difference between String StringBuffer StringBulider and StringBuffer in Java? Describe the Redis single-threaded model and IO multiplexing.
Ingeniero De Software Backend Interview Questions
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Top K frequent elements from leetcode
Merge k linked lists together
They did not ask much about the basic CS knowledge, e.g. OS and network. Instead, they dive really deep into your past experiences.
Given sorted array of nondecreasing integers, and target integer k, find the start and end indices of k. Given 2D array representing chess board, starting position i and j, find the number of unique paths of length n that a knight can travel
Coding Question: Merge Two Sorted Lists
I cant remember the question specifically, but both involve greedy algorithm with priority q and binary search.
1. Given an array of integers find all the median of all subarrays starting with 0th index and ending with ith index incrementally. For eg. Input : {2,12,1,6,5,3,7,8,4} Output: 2,7,2,4,5,4,5,6,5 2. Design chess and let me know the additional functionalities that can be added for improving the user experience
Why do you want to work at sap and this particular role?
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