Update 0072.编辑距离.md about rust

problems/0072.编辑距离.md

@@ -401,6 +401,34 @@ int minDistance(char * word1, char * word2){
 }
 ```
 
+Rust：
+
+```rust
+impl Solution {
+    pub fn min_distance(word1: String, word2: String) -> i32 {
+        let mut dp = vec![vec![0; word2.len() + 1]; word1.len() + 1];
+        for i in 1..=word2.len() {
+            dp[0][i] = i;
+        }
+
+        for (j, v) in dp.iter_mut().enumerate().skip(1) {
+            v[0] = j;
+        }
+        for (i, char1) in word1.chars().enumerate() {
+            for (j, char2) in word2.chars().enumerate() {
+                if char1 == char2 {
+                    dp[i + 1][j + 1] = dp[i][j];
+                    continue;
+                }
+                dp[i + 1][j + 1] = dp[i][j + 1].min(dp[i + 1][j]).min(dp[i][j]) + 1;
+            }
+        }
+
+        dp[word1.len()][word2.len()] as i32
+    }
+}
+```
+
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