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Crack SQL Interview in 50 Qs

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

A really brute force way would be to search for all possible pairs of numbers but that would be too slow. Again, it's best to try out brute force solutions just for completeness. It is from these …

Can you solve this real interview question? Time Needed to Buy Tickets - There are n people in a line queuing to buy tickets, where the 0th person is at the front of the line and the (n - 1)th …

Must-do List for Interview Prep

Can you solve this real interview question? Flatten a Multilevel Doubly Linked List - You are given a doubly linked list, which contains nodes that have a next pointer, a previous pointer, and an …