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donnemartin / interactive-coding-challenges

120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.

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"Implement n stacks using a single array" solution uses 2 arrays

pedrosorio opened this issue · comments

commented

Why not include the stack pointer at the top of each stack so you can do this with a single num_stacks * (stack_size + 1) array?

Also, it is not clear why abs_index is part of the interface (as that is not part of the stack interface). Its purpose should be made clear in the challenge notebook.