Add another Rust solution

problems/0001.两数之和.md

@@ -216,6 +216,26 @@ impl Solution {
     }
 }
 ```
+Rust
+
+```
+use std::collections::HashMap;
+ 
+impl Solution {
+    pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
+        let mut hm: HashMap<i32, i32> = HashMap::new();
+        for i in 0..nums.len() {
+            let j = target - nums[i];
+            if hm.contains_key(&j) {
+                return vec![*hm.get(&j).unwrap(), i as i32]
+            } else {
+                hm.insert(nums[i], i as i32);
+            }
+        }
+        vec![-1, -1]
+    }
+}
+```
 
 Javascript