20 lines
303 B
Go
20 lines
303 B
Go
package q696
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func countBinarySubstrings(s string) int {
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cnt := 0
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last := byte('0')
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lastLen, curLen := 0, 0
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for i := range len(s) {
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if s[i] != last {
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last, lastLen = s[i], curLen
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curLen = 0
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}
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curLen++
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if curLen <= lastLen {
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cnt++
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}
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}
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return cnt
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}
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var _ = countBinarySubstrings
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