From b193edc5a8f8489352dfe61fcb8d73ba1c29dd54 Mon Sep 17 00:00:00 2001
From: cezarbbb <105843128+cezarbbb@users.noreply.github.com>
Date: Sat, 23 Jul 2022 20:55:18 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=200332.=E9=87=8D=E6=96=B0?=
 =?UTF-8?q?=E5=AE=89=E6=8E=92=E8=A1=8C=E7=A8=8B=20Rust=E7=89=88=E6=9C=AC?=
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添加 0332.重新安排行程 Rust版本
---
 problems/0332.重新安排行程.md | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/problems/0332.重新安排行程.md b/problems/0332.重新安排行程.md
index 71942c79..8b5f797d 100644
--- a/problems/0332.重新安排行程.md
+++ b/problems/0332.重新安排行程.md
@@ -742,5 +742,33 @@ func (p ticketSlice) Swap(i, j int)      { p[i], p[j] = p[j], p[i] }
 
 ```
 
+### Rust
+** 文中的Hashmap嵌套Hashmap的方法因为Rust的所有权问题暂时无法实现，此方法为删除哈希表中元素法 **
+```Rust
+use std::collections::HashMap;
+impl Solution {
+    fn backtracking(airport: String, targets: &mut HashMap<&String, Vec<&String>>, result: &mut Vec<String>) {
+        while let Some(next_airport) = targets.get_mut(&airport).unwrap_or(&mut vec![]).pop() {
+            Self::backtracking(next_airport.clone(), targets, result);
+        }
+        result.push(airport.clone());
+    }
+
+    pub fn find_itinerary(tickets: Vec<Vec<String>>) -> Vec<String> {
+        let mut targets: HashMap<&String, Vec<&String>> = HashMap::new();
+        let mut result = Vec::new();
+        for t in 0..tickets.len() {
+            targets.entry(&tickets[t][0]).or_default().push(&tickets[t][1]);
+        }
+            for (_, target) in targets.iter_mut() {
+            target.sort_by(|a, b| b.cmp(a));
+        }
+        Self::backtracking("JFK".to_string(), &mut targets, &mut result);
+        result.reverse();
+        result
+    }
+}
+```
+
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 <div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>