Easy data structure and algorithm practice puzzle.
Given a virtual address and a page size in bytes, return [page number, offset within the page]. The page number is the address divided by the page size, rounded down. The offset is the remainder. The page number gets looked up in the page table, and the offset carries over as is.
Solve it three ways: snap the jigsaw pieces together, fill in the blanks, or type it from scratch against the tests. This one is free.
Every line of the solution comes with a note explaining why it is there, and a step by step replay shows the code running. At level 3, where you type it yourself, you can ask for an AI mock interview on this problem that ends with a hiring manager's scorecard.
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