Leet Code Style Questions

Dated Jul 30, 2022; last modified on Sat, 30 Jul 2022

Questions collected from sites like LeetCode . While primarily used in the industry for interviewing candidates, I do find them somewhat fun when done in a lower-pressure environment. Helps me pick up some algorithmic techniques and refine my understanding.

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Jun 1, 2026	»	Concurrency (3 items) Print Zero Even Odd; Print FooBar Alternately; Print in Order;
May 28, 2026	»	Strings and 1D Arrays (4 items) Is Subsequence; Minimum Size Subarray Sum; Rotate Array; Minimum Penalty for a Shop;
Jul 20, 2024	»	Grids (7 items) Valid Sudoku; Shortest Path in a Grid w/ Obstacles Elimination; Minimizing Bottom-Right Paths in a 2xN Grid; Queen's Movements on a Chessboard w/ Obstacles; Spanning 4-Directional Walks From Origin to Destination w/ Obstacles; Unique Paths to the Bottom-Right Corner w/ Obstacles; Unique Paths to the Bottom-Right Corner;
Aug 1, 2022	»	Sorting and Searching (8 items) Of [Non]Overlapping Intervals; Earliest Finish Time for Land and Water Rides; Minimum Cost of Buying Candies with Discount; Remove Duplicates from Sorted Array; Two Sum; Majority Element in Array; Merging Sorted Arrays; K-th Smallest Element in Sorted Matrix;