The Ninety DSA Patterns That Cover 99% Coding Interviews Many candidates solve 200+ LeetCode challenges but still blank out during actual technical rounds. Here’s the secret: most coding interviews don’t test unique problems — they reuse established logical templates. Major companies prefer problem templates that measure reasoning, not rote memory. https://matrixframework541.csublogs.com/45719892/learn-data-science-ai-options-if-you-should-consider-it