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73 lines
1.9 KiB
Markdown
73 lines
1.9 KiB
Markdown
# [1678. Goal Parser Interpretation](https://leetcode.com/problems/goal-parser-interpretation/)
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## 题目
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You own a **Goal Parser** that can interpret a string `command`. The `command` consists of an alphabet of `"G"`, `"()"` and/or `"(al)"` in some order. The Goal Parser will interpret `"G"` as the string `"G"`, `"()"` as the string `"o"`, and `"(al)"` as the string `"al"`. The interpreted strings are then concatenated in the original order.
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Given the string `command`, return *the **Goal Parser**'s interpretation of* `command`.
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**Example 1:**
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```
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Input: command = "G()(al)"
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Output: "Goal"
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Explanation: The Goal Parser interprets the command as follows:
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G -> G
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() -> o
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(al) -> al
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The final concatenated result is "Goal".
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```
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**Example 2:**
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```
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Input: command = "G()()()()(al)"
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Output: "Gooooal"
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```
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**Example 3:**
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```
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Input: command = "(al)G(al)()()G"
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Output: "alGalooG"
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```
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**Constraints:**
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- `1 <= command.length <= 100`
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- `command` consists of `"G"`, `"()"`, and/or `"(al)"` in some order.
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## 题目大意
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请你设计一个可以解释字符串 command 的 Goal 解析器 。command 由 "G"、"()" 和/或 "(al)" 按某种顺序组成。Goal 解析器会将 "G" 解释为字符串 "G"、"()" 解释为字符串 "o" ，"(al)" 解释为字符串 "al" 。然后，按原顺序将经解释得到的字符串连接成一个字符串。给你字符串 command ，返回 Goal 解析器 对 command 的解释结果。
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## 解题思路
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- 简单题，按照题意修改字符串即可。由于是简单题，这一题也不用考虑嵌套的情况。
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## 代码
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```go
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package leetcode
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func interpret(command string) string {
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if command == "" {
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return ""
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}
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res := ""
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for i := 0; i < len(command); i++ {
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if command[i] == 'G' {
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res += "G"
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} else {
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if command[i] == '(' && command[i+1] == 'a' {
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res += "al"
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i += 3
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} else {
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res += "o"
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i ++
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}
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}
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}
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return res
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}
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``` |