[pull] master from youngyangyang04:master

problems/0034.在排序数组中查找元素的第一个和最后一个位置.md

@@ -389,6 +389,57 @@ class Solution:
         return [leftBorder, rightBorder]
 ```
 
+### Rust
+
+```rust
+
+impl  Solution {
+    pub fn search_range(nums: Vec<i32>, target: i32) -> Vec<i32> {
+        let right_border = Solution::get_right_border(&nums, target);
+        let left_border = Solution::get_left_border(&nums, target);
+        if right_border == -2 || left_border == -2 {
+            return vec![-1, -1];
+        }
+        if right_border - left_border > 0 {
+            return vec![left_border, right_border - 1];
+        }
+        vec![-1, -1]
+    }
+
+    pub fn get_right_border(nums: &Vec<i32>, target: i32) -> i32 {
+        let mut left = 0;
+        let mut right = nums.len();
+        let mut right_border: i32 = -2;
+        while left < right {
+            let mid = (left + right) / 2;
+            if nums[mid] > target {
+                right = mid;
+            } else {
+                left = mid + 1;
+                right_border = left as i32;
+            }
+        }
+        right_border as i32
+    }
+
+    pub fn get_left_border(nums: &Vec<i32>, target: i32) -> i32 {
+        let mut left = 0;
+        let mut right = nums.len();
+        let mut left_border: i32 = -2;
+        while left < right {
+            let mid = (left + right) / 2;
+            if nums[mid] >= target {
+                right = mid;
+                left_border = right as i32;
+            } else {
+                left = mid + 1;
+            }
+        }
+        left_border as i32
+    }
+}
+```
+
 ### Go
 
 ```go