N-Queens Is Just Subsets With One Extra Line
N-Queens, Sudoku and subsets are the same backtracking template. The only difference is one pruning line, and here's how to see it.
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Software Engineer from Madrid, Spain. Founder of Expora.
I’m a software engineer who cares less about clever code — and more about systems that keep working when reality changes. Most of my professional work has been in .NET / C#, building and refactoring real production systems: APIs, legacy platforms, data pipelines, and cloud infrastructure.
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