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24 lines
448 B
Ruby
24 lines
448 B
Ruby
def reverse_sentence(str)
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reverse_in_place(str, 0, str.length - 1)
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word_beginning = 0
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(0..str.length).each do |i|
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if i == str.length || str[i] == ' '
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reverse_in_place(str, word_beginning, i - 1)
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word_beginning = i + 1
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end
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end
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str
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end
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def reverse_in_place(str, start, len)
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while start < len
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str[start], str[len] = str[len], str[start]
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start += 1
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len -= 1
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end
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str
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end
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