First Round: Q1: Reverse nodes in a linked list in groups of k Q2: Find the minimum window substring containing all characters of another string. Second Round: Q1: Balanced parentheses problem, remove or count invalid ones Q2: One medium-level string manipulation problem
Explain logic of the traingle star pattern basic program, how to connect php to database . How to covert int to string. Variable in javascript . Mvc model
If how long is it until 12:00 if 16 minutes ago the time was three times as many minutes after 11:00?
Minimum time required to burn the Binary tree from given node. (Basically given any node, it will burn at time 0 and then at time 1 the nodes connected to given node will burn and so on. Task was to find total time to burn.)
2nd Round - We discussed about my projects and dived deep into one and how to scale it. Question related to why choose this language and framework and language on backend, why this choice of database and how it will change when we will scale further. And some more questions regarding improving throughput and fault tolerance.
Explain your final year project, also along with that they asked about the core subjects
Design an Bowling score system
what is a pointer and how many types?
Are you good at python
Round 1: Q1. Easy-Medium level questions mainly using Hashmap and finding max element The input was a list of URL strings ['/ABCD, '/CD', 'DA'] It was expected to find the count of the site(A, B, C, etc…) which occurs the most number of times as part of the first three elements of the query string. In this example, A = 2, B = 1, C = 2, D = 1. Here, A and C are the final answers. Round 2: Q1. At any point in time required to output the kth-smallest element in an array. Q2. You are given schedules of various employees of the day, and are required to find a common time when everyone is free. Input is a 2D array of time slots [[10-12], [13-17],[14-15]] etc...
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