17 lines
389 B
Plaintext
17 lines
389 B
Plaintext
func middle_three(n) {
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var l = n.len;
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if (l < 3) {
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"#{n} is too short"
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} elsif (l.is_even) {
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"#{n} has an even number of digits"
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} else {
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"The three middle digits of #{n} are: " + n.digits.ft(l-3 / 2, l/2 + 1).join
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}
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}
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var nums = %n(
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123 12345 1234567 987654321 10001 -10001 -123 -100 100 -12345
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1 2 -1 -10 2002 -2002 0
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);
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nums.each { say middle_three(_) };
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