Middle three digits: Difference between revisions
Content added Content deleted
(→{{header|Ruby}}: Move output into pre element..) |
(→{{header|Ruby}}: Improve output formatting.) |
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end |
end |
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samples = [ |
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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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width = samples.map { |n| n.to_s.length }.max |
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samples.each do |n| |
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print "#{n}: " |
print "#{n}: " |
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begin |
begin |
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end</lang> |
end</lang> |
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Output: |
Output: |
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<pre>123: 123 |
<pre> 123: 123 |
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12345: 234 |
12345: 234 |
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1234567: 345 |
1234567: 345 |
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987654321: 654 |
987654321: 654 |
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10001: 000 |
10001: 000 |
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-10001: 000 |
-10001: 000 |
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-123: 123 |
-123: 123 |
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-100: 100 |
-100: 100 |
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100: 100 |
100: 100 |
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-12345: 234 |
-12345: 234 |
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1: Number must have at least three digits |
1: Number must have at least three digits |
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2: Number must have at least three digits |
2: Number must have at least three digits |
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-1: Number must have at least three digits |
-1: Number must have at least three digits |
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-10: Number must have at least three digits |
-10: Number must have at least three digits |
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2002: Number must have an odd number of digits |
2002: Number must have an odd number of digits |
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-2002: Number must have an odd number of digits |
-2002: Number must have an odd number of digits |
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0: Number must have at least three digits |
0: Number must have at least three digits |
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</pre> |
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=={{header|Rust}}== |
=={{header|Rust}}== |
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<lang rust>fn middle_three_digits(x: int) -> Result<~str, ~str> { |
<lang rust>fn middle_three_digits(x: int) -> Result<~str, ~str> { |
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