fix 26

Author: TianyiShi2001

src/solution/s0026_remove_duplicates_from_sorted_array.rs

@@ -45,9 +45,9 @@
  */
 pub struct Solution {}
 
-// problem: https://leetcode.com/problems/remove-duplicates-from-sorted-array/
-// discuss: https://leetcode.com/problems/remove-duplicates-from-sorted-array/discuss/?currentPage=1&orderBy=most_votes&query=
-
+// problem: https://leetcode.com/problems/remove-duplicates-from-sorted-array/
+// discuss: https://leetcode.com/problems/remove-duplicates-from-sorted-array/discuss/?currentPage=1&orderBy=most_votes&query=
+
 // submission codes start here
 
 impl Solution {
@@ -63,6 +63,7 @@ impl Solution {
                 nums[slow] = nums[fast];
             }
         }
+        nums.truncate(slow + 1);
         (slow + 1) as i32
     }
 }