11 lines
399 B
Plaintext
11 lines
399 B
Plaintext
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<Query Kind="Statements" />
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var data = File.ReadAllLines(Path.Combine(Path.GetDirectoryName(Util.CurrentQueryPath), @"02_input.txt"));
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data
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.Select(d1 => data.Where(d2 => d1.Zip(d2.ToCharArray(), (a,b) => a!=b).Count(p=>p)==1 ))
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.Where(p => p.Any())
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.Select(p => p.First())
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.Aggregate((a, b) => new string(a.Zip(b.ToCharArray(), (u,v)=>(u==v?u:'_')).ToArray()) )
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.Replace("_", "")
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.Dump();
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