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https://github.com/halfrost/LeetCode-Go.git
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35 lines
690 B
Go
35 lines
690 B
Go
package leetcode
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import (
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"path/filepath"
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"strings"
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)
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// 解法一
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func simplifyPath(path string) string {
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arr := strings.Split(path, "/")
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stack := make([]string, 0)
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var res string
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for i := 0; i < len(arr); i++ {
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cur := arr[i]
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//cur := strings.TrimSpace(arr[i]) 更加严谨的做法应该还要去掉末尾的空格
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if cur == ".." {
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if len(stack) > 0 {
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stack = stack[:len(stack)-1]
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}
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} else if cur != "." && len(cur) > 0 {
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stack = append(stack, arr[i])
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}
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}
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if len(stack) == 0 {
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return "/"
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}
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res = strings.Join(stack, "/")
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return "/" + res
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}
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// 解法二 golang 的官方库 API
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func simplifyPath1(path string) string {
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return filepath.Clean(path)
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}
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