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Articles tagged with #dsa
You run a graph traversal, it visits every node, and the tests pass. Then a problem asks for the shortest path and your answer comes back a few steps too long. Or it asks you to detect a cycle and you
Build the backtracking skeleton from a state space tree, then watch it solve Generate Parentheses one decision at a time.
Most candidates overtrain familiar patterns and miss the ones that quietly show up everywhere. Here’s what Amazon, Google, Meta, Microsoft, and Apple actually test.
How Amazon bar raiser coding interviews work, what the follow up really tests, and how to prepare for constraint changes.
Why linked list insertion isn't always O(1), when arrays outperform them, and the hidden qualifier Big-O tables omit.
A two hour diagnostic that replaces 'I don't know if I'm ready' with a binary answer.
