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Codility- binary gap in ruby
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| def solution(n) | |
| binary = n.to_s(2) | |
| lengths = [] | |
| i = binary.index("1") | |
| binary.split("1").length.times do | |
| binary[i] = '.' | |
| n_i = binary.index("1") | |
| return !lengths.empty? ? lengths.max : 0 if !!!n_i | |
| binary[n_i] = '.' | |
| lengths << n_i - (i + 1) | |
| i = n_i | |
| end | |
| return !lengths.empty? ? lengths.max : 0 | |
| end |
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