diff --git a/problems/0200.岛屿数量.广搜版.md b/problems/0200.岛屿数量.广搜版.md
index 5b9d90aa..8bbedb59 100644
--- a/problems/0200.岛屿数量.广搜版.md
+++ b/problems/0200.岛屿数量.广搜版.md
@@ -240,6 +240,47 @@ class Solution:
 
 ```
 
+### Rust
+
+```rust
+
+use std::collections::VecDeque;
+impl Solution {
+    const DIRECTIONS: [(i32, i32); 4] = [(0, 1), (1, 0), (-1, 0), (0, -1)];
+    pub fn num_islands(grid: Vec<Vec<char>>) -> i32 {
+        let mut visited = vec![vec![false; grid[0].len()]; grid.len()];
+        let mut res = 0;
+        for (i, chars) in grid.iter().enumerate() {
+            for (j, &c) in chars.iter().enumerate() {
+                if !visited[i][j] && c == '1' {
+                    res += 1;
+                    Self::bfs(&grid, &mut visited, (i as i32, j as i32));
+                }
+            }
+        }
+        res
+    }
+
+    pub fn bfs(grid: &Vec<Vec<char>>, visited: &mut Vec<Vec<bool>>, (x, y): (i32, i32)) {
+        let mut queue = VecDeque::new();
+        queue.push_back((x, y));
+        visited[x as usize][y as usize] = true;
+        while let Some((cur_x, cur_y)) = queue.pop_front() {
+            for (dx, dy) in Self::DIRECTIONS {
+                let (nx, ny) = (cur_x + dx, cur_y + dy);
+                if nx < 0 || nx >= grid.len() as i32 || ny < 0 || ny >= grid[0].len() as i32 {
+                    continue;
+                }
+                let (nx, ny) = (nx as usize, ny as usize);
+                if grid[nx][ny] == '1' && !visited[nx][ny] {
+                    visited[nx][ny] = true;
+                    queue.push_back((nx as i32, ny as i32));
+                }
+            }
+        }
+    }
+}
+```
 <p align="center">
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   <img src="../pics/网站星球宣传海报.jpg" width="1000"/>
diff --git a/problems/0200.岛屿数量.深搜版.md b/problems/0200.岛屿数量.深搜版.md
index f610e323..905c0979 100644
--- a/problems/0200.岛屿数量.深搜版.md
+++ b/problems/0200.岛屿数量.深搜版.md
@@ -279,6 +279,42 @@ class Solution:
         return result
 ```
 
+Rust:
+
+
+```rust
+impl Solution {
+    const DIRECTIONS: [(i32, i32); 4] = [(0, 1), (1, 0), (-1, 0), (0, -1)];
+    pub fn num_islands(grid: Vec<Vec<char>>) -> i32 {
+        let mut visited = vec![vec![false; grid[0].len()]; grid.len()];
+        let mut res = 0;
+        for (i, chars) in grid.iter().enumerate() {
+            for (j, &c) in chars.iter().enumerate() {
+                if !visited[i][j] && c == '1' {
+                    res += 1;
+                    Self::dfs(&grid, &mut visited, (i as i32, j as i32));
+                }
+            }
+        }
+        res
+    }
+
+    pub fn dfs(grid: &Vec<Vec<char>>, visited: &mut Vec<Vec<bool>>, (x, y): (i32, i32)) {
+        for (dx, dy) in Self::DIRECTIONS {
+            let (nx, ny) = (x + dx, y + dy);
+            if nx < 0 || nx >= grid.len() as i32 || ny < 0 || ny >= grid[0].len() as i32 {
+                continue;
+            }
+            let (nx, ny) = (nx as usize, ny as usize);
+            if grid[nx][ny] == '1' && !visited[nx][ny] {
+                visited[nx][ny] = true;
+                Self::dfs(grid, visited, (nx as i32, ny as i32));
+            }
+        }
+    }
+}
+```
+
 <p align="center">
 <a href="https://programmercarl.com/other/kstar.html" target="_blank">
   <img src="../pics/网站星球宣传海报.jpg" width="1000"/>
diff --git a/problems/0332.重新安排行程.md b/problems/0332.重新安排行程.md
index fcdeae7b..ab144f43 100644
--- a/problems/0332.重新安排行程.md
+++ b/problems/0332.重新安排行程.md
@@ -345,6 +345,79 @@ class Solution {
 }
 ```
 
+```java
+/*  该方法是对第二个方法的改进，主要变化在于将某点的所有终点变更为链表的形式，优点在于
+        1.添加终点时直接在对应位置添加节点，避免了TreeMap增元素时的频繁调整
+        2.同时每次对终点进行增加删除查找时直接通过下标操作，避免hashMap反复计算hash*/
+class Solution {
+    //key为起点，value是有序的终点的列表
+    Map<String, LinkedList<String>> ticketMap = new HashMap<>();
+    LinkedList<String> result = new LinkedList<>();
+    int total;
+
+    public List<String> findItinerary(List<List<String>> tickets) {
+        total = tickets.size() + 1;
+        //遍历tickets，存入ticketMap中
+        for (List<String> ticket : tickets) {
+            addNew(ticket.get(0), ticket.get(1));
+        }
+        deal("JFK");
+        return result;
+    }
+
+    boolean deal(String currentLocation) {
+        result.add(currentLocation);
+        //机票全部用完，找到最小字符路径
+        if (result.size() == total) {
+            return true;
+        }
+        //当前位置的终点列表
+        LinkedList<String> targetLocations = ticketMap.get(currentLocation);
+        //没有从当前位置出发的机票了，说明这条路走不通
+        if (targetLocations != null && !targetLocations.isEmpty()) {
+            //终点列表中遍历到的终点
+            String targetLocation;
+            //遍历从当前位置出发的机票
+            for (int i = 0; i < targetLocations.size(); i++) {
+                targetLocation = targetLocations.get(i);
+                //删除终点列表中当前的终点
+                targetLocations.remove(i);
+                //递归
+                if (deal(targetLocation)) {
+                    return true;
+                }
+                //路线走不通，将机票重新加回去
+                targetLocations.add(i, targetLocation);
+                result.removeLast();
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 在map中按照字典顺序添加新元素
+     *
+     * @param start 起点
+     * @param end   终点
+     */
+    void addNew(String start, String end) {
+        LinkedList<String> startAllEnd = ticketMap.getOrDefault(start, new LinkedList<>());
+        if (!startAllEnd.isEmpty()) {
+            for (int i = 0; i < startAllEnd.size(); i++) {
+                if (end.compareTo(startAllEnd.get(i)) < 0) {
+                    startAllEnd.add(i, end);
+                    return;
+                }
+            }
+            startAllEnd.add(startAllEnd.size(), end);
+        } else {
+            startAllEnd.add(end);
+            ticketMap.put(start, startAllEnd);
+        }
+    }
+}
+```
+
 ### Python 
 回溯 使用used数组 
 
diff --git a/problems/0496.下一个更大元素I.md b/problems/0496.下一个更大元素I.md
index f01d8333..45797fb6 100644
--- a/problems/0496.下一个更大元素I.md
+++ b/problems/0496.下一个更大元素I.md
@@ -396,25 +396,33 @@ function nextGreaterElement(nums1: number[], nums2: number[]): number[] {
 ### Rust
 
 ```rust
+use std::collections::HashMap;
 impl Solution {
     pub fn next_greater_element(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
-        let mut ans = vec![-1; nums1.len()];
-        use std::collections::HashMap;
-        let mut map = HashMap::new();
-        for (idx, &i) in nums1.iter().enumerate() {
-            map.insert(i, idx);
+        let (mut res, mut map) = (vec![-1; nums1.len()], HashMap::new());
+        if nums1.is_empty() {
+            return res;
         }
+
+        nums1.into_iter().enumerate().for_each(|(v, k)| {
+            map.insert(k, v);
+        });
+
         let mut stack = vec![];
-        for (idx, &i) in nums2.iter().enumerate() {
-            while !stack.is_empty() && nums2[*stack.last().unwrap()] < i {
-                let pos = stack.pop().unwrap();
-                if let Some(&jdx) = map.get(&nums2[pos]) {
-                    ans[jdx] = i;
+        for (i, &value) in nums2.iter().enumerate() {
+            while let Some(&top) = stack.last() {
+                if value <= nums2[top] {
+                    break;
+                }
+                let stacked_index = stack.pop().unwrap();
+                if let Some(&mapped_index) = map.get(&nums2[stacked_index]) {
+                    res[mapped_index] = value;
                 }
             }
-            stack.push(idx);
+            stack.push(i);
         }
-        ans
+
+        res
     }
 }
 ```
diff --git a/problems/0503.下一个更大元素II.md b/problems/0503.下一个更大元素II.md
index 3bddd298..c001df50 100644
--- a/problems/0503.下一个更大元素II.md
+++ b/problems/0503.下一个更大元素II.md
@@ -293,6 +293,28 @@ impl Solution {
 }
 ```
 
+> 版本二：
+
+```rust
+impl Solution {
+    pub fn next_greater_elements(nums: Vec<i32>) -> Vec<i32> {
+        let (mut stack, mut res) = (vec![], vec![-1; nums.len()]);
+
+        for i in 0..nums.len() * 2 {
+            while let Some(&top) = stack.last() {
+                if nums[i % nums.len()] <= nums[top] {
+                    break;
+                }
+                let saved_index = stack.pop().unwrap();
+                res[saved_index] = nums[i % nums.len()];
+            }
+            stack.push(i % nums.len());
+        }
+
+        res
+    }
+}
+```
 
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diff --git a/problems/0797.所有可能的路径.md b/problems/0797.所有可能的路径.md
index ec8288c6..9d14bd7c 100644
--- a/problems/0797.所有可能的路径.md
+++ b/problems/0797.所有可能的路径.md
@@ -217,7 +217,29 @@ class Solution:
             self.path.pop() # 回溯
 ```
 
+### Rust
 
+```rust
+impl Solution {
+    pub fn all_paths_source_target(graph: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
+        let (mut res, mut path) = (vec![], vec![0]);
+        Self::dfs(&graph, &mut path, &mut res, 0);
+        res
+    }
+
+    pub fn dfs(graph: &Vec<Vec<i32>>, path: &mut Vec<i32>, res: &mut Vec<Vec<i32>>, node: usize) {
+        if node == graph.len() - 1 {
+            res.push(path.clone());
+            return;
+        }
+        for &v in &graph[node] {
+            path.push(v);
+            Self::dfs(graph, path, res, v as usize);
+            path.pop();
+        }
+    }
+}
+```
 
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