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I am new to programming and struggling hard. Leetcode is inappropriate for new programmers. There is actually a lot of depth to programming beyond what one can learn in a semester, or even a year. If you have not yet studied data structures and algorithms, even the "easy" problems are going to be pretty challenging.
Apr 9, 2023 · Eventhough Leetcode isn't a competitive programming platform, there are contests which allow you to try out brand neew problems and even compete with others. They have categories of 1 easy, 2 Medium and 1 Hard, and solving 3 is more than enough. Once you have enough confidence on your problem solving ability, these contests will help you gain ...
Jul 5, 2022 · What are the hardest leetcode problems? I recently did this one, and it was pretty difficult, it seems so simple when reading the prompt but keeping everything O (1) is super tricky. If you know the question number off the top of your head of a question that you think is the hardest, you are preparing for interviews wrong and cramming Leetcode ...
Jan 30, 2022 · Pick one pattern, and go to leetcode. Search for problems with that pattern. Go through each problem for the pattern, and go STRAIGHT to the solution. Do not even spend 1 second trying to solve the problem. WASTE OF TIME. Understand the solution DEEPLY. Make notes. Google things you don't understand. Watch videos on youtube about the solution.
Jul 11, 2022 · So 0-500 is phase 1, and it’s nearly complete. This phase is probably the most painful, and I’m happy to be done with it. Phase 2 will be basically redoing some of those problems and fewer new problems to sharpen the existing skills. Phase 3 I imagine is just passively maintaining and doing LC for fun. 249.
Jun 9, 2024 · Got to first 100 leetcode problems as a beginner. I've finally managed to solve 100 problems. I've been getting by with a lot of help from looking at solutions and learning along the way. Things still don't fully make sense, but I'm determined to keep grinding. I still don't feel comfortable with new questions, but I'm hopeful things will ...
May 14, 2023 · Both N-queen problems are pretty easy imo. Sliding Window Maximum is barely a medium, but it's marked hard on leetcode. Word Ladder, Sliding Puzzle, Swim in Rising Water, Employee Free Time are all fit imo. Very common algos, some of them are solved by bruteforce or just very lax in terms of runtime.
People tend to jump straight into practicing leetcode problems and end up having to do 300+ problems to get interview-ready. The issue with this is that LC problems are designed with particular established strategy in mind, and if you’re trying to learn the strategy from particular problems then that’s very inefficient.
Mar 19, 2024 · Solving 1000 LeetCode Problems. Just found a gold mine for anyone grinding through LeetCode! This article breaks down how to tackle 1000 LeetCode problems within 300 days. It's a mix of personal experience, practical tips, and some common pitfalls to avoid. Really puts the journey into perspective and makes it seem a lot less daunting.
Jul 1, 2023 · Dp solution requires us to solve the sub problem on every prefix of the array. A prefix of the array is a subarray from 0 to i for some i. Group 3 (on grids): Dp table will have the same dimensions as grid, the state at cell i,j will be related to the grid at cell i,j. Group 4 (two sequences, O (NM) style):
