Merge pull request youngyangyang04#2172 from Ainevsia/master

Update 0739.每日温度.md

Author: youngyangyang04

problems/0739.每日温度.md

@@ -455,7 +455,27 @@ function dailyTemperatures(temperatures: number[]): number[] {
 };
 ```
 
-
+Rust:
+
+```rust
+impl Solution {
+    /// 单调栈的本质是以空间换时间，记录之前已访问过的非递增子序列下标
+    pub fn daily_temperatures(temperatures: Vec<i32>) -> Vec<i32> {
+        let mut res = vec![0; temperatures.len()];
+        let mut stack = vec![];
+        for (idx, &value) in temperatures.iter().enumerate() {
+            while !stack.is_empty() && temperatures[*stack.last().unwrap()] < value {
+                // 弹出，并计算res中对应位置的值
+                let i = stack.pop().unwrap();
+                res[i] = (idx - i) as i32;
+            }
+            // 入栈
+            stack.push(idx)
+        }
+        res
+    }
+}
+```
 
 
 <p align="center">