添加整数拆分Rust版

problems/0343.整数拆分.md

@@ -259,6 +259,21 @@ func max(a,b int) int{
 }
 ```
 
+### Rust
+```rust
+pub fn integer_break(n: i32) -> i32 {
+    let n = n as usize;
+    let mut dp = vec![0; n + 1];
+    dp[2] = 1;
+    for i in 3..=n {
+        for j in 1..i-1 {
+            dp[i] = dp[i].max((i - j) * j).max(dp[i - j] * j);
+        }
+    }
+    dp[n] as i32
+}
+```
+
 ### Javascript
 ```Javascript
 var integerBreak = function(n) {