Try all subsets of houses where no two are adjacent. Find the maximum sum.
With houses, there are roughly subsets to check (actually Fibonacci-many valid subsets, but still exponential).
Can you decide house-by-house whether to rob or skip?
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The trap
Try all subsets of houses where no two are adjacent. Find the maximum sum.
With houses, there are roughly subsets to check (actually Fibonacci-many valid subsets, but still exponential).
Can you decide house-by-house whether to rob or skip?