Update 0139.单词拆分.md about rust

problems/0139.单词拆分.md

@@ -464,7 +464,24 @@ function wordBreak(s: string, wordDict: string[]): boolean {
 };
 ```
 
+Rust:
 
+```rust
+impl Solution {
+    pub fn word_break(s: String, word_dict: Vec<String>) -> bool {
+        let mut dp = vec![false; s.len() + 1];
+        dp[0] = true;
+        for i in 1..=s.len() {
+            for j in 0..i {
+                if word_dict.iter().any(|word| *word == s[j..i]) && dp[j] {
+                    dp[i] = true;
+                }
+            }
+        }
+        dp[s.len()]
+    }
+}
+```
 
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