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.

Enhance your coding abilities and get valuable real-world feedback by participating in contests on LeetCode. You can also win up to 5000 LeetCoins per contest, as well as bonus prizes from …

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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 brute force …

Must-do List for Interview Prep

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.

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.

You are given the head of a linked list, and an integer k. Return the head of the linked list after swapping the values of the k th node from the beginning and the k th node from the end (the list is 1-indexed). …

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 person is at …

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