10 lines
220 B
Text
10 lines
220 B
Text
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var l = ''; # Sample longest string seen.
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var a = ''; # Accumulator to save longest strings.
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STDIN.each { |n|
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n.substr(l.len) ? (a = n; l = n)
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: (!l.substr(n.len) && a.concat!(n));
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}
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print a;
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