Middle three digits: Difference between revisions
→{{header|Ruby}}: Improve output formatting.
(→{{header|Ruby}}: Move output into pre element..) |
(→{{header|Ruby}}: Improve output formatting.) |
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Line 563:
end
samples = [
]
width = samples.map { |n| n.to_s.length }.max
samples.each do |n|
print "#{n}: "
begin
Line 573 ⟶ 580:
end</lang>
Output:
<pre> 123: 123
12345: 234
1234567: 345
987654321: 654
10001: 000
-10001: 000
-123: 123
-100: 100
100: 100
-12345: 234
1: Number must have at least three digits
2: Number must have at least three digits
-1: Number must have at least three digits
-10: Number must have at least three digits
2002: Number must have an odd number of digits
-2002: Number must have an odd number of digits
0: Number must have at least three digits
</pre>
=={{header|Rust}}==
<lang rust>fn middle_three_digits(x: int) -> Result<~str, ~str> {
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