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Articles tagged with #algorithms
Sliding Window Technique When solving array or string problems in competitive programming, we often deal with subarrays or substrings. A naive solution usually checks every possible subarray, which le
Discover how recursion helps DFS explore graphs deeply and efficiently.
Crack range queries and updates in O(log n) with this powerful and easy-to-implement data structure.
A powerful trick to handle complex range queries in competitive programming
Learn how Sqrt Decomposition speeds up range queries
Learn Fast Sum Queries and Array Manipulation Techniques Step-by-Step
