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Commit e67f7cb

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Merge pull request youngyangyang04#2180 from Nihilism0/patch-1
优化 0151.翻转字符串里的单词Go示例
2 parents 6aad007 + 0129bde commit e67f7cb

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‎problems/0151.翻转字符串里的单词.md‎

Lines changed: 10 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -547,26 +547,28 @@ func reverseWords(s string) string {
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b = b[:slowIndex]
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}
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//2.反转整个字符串
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reverse(&b, 0, len(b)-1)
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reverse(b)
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//3.反转单个单词 i单词开始位置,j单词结束位置
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i := 0
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for i < len(b) {
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j := i
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for ; j < len(b) && b[j] != ' '; j++ {
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}
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reverse(&b, i, j-1)
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reverse(b[i:j])
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i = j
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i++
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}
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return string(b)
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}
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func reverse(b *[]byte, left, right int) {
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for left < right {
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(*b)[left], (*b)[right] = (*b)[right], (*b)[left]
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left++
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right--
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}
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func reverse(b []byte) {
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left := 0
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right := len(b) - 1
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for left < right {
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b[left], b[right] = b[right], b[left]
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left++
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right--
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}
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}
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```
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