Sync LeetCode submission - Summary Ranges (rust)

Author: JMoogs

problems/summary_ranges/solution.rs

@@ -0,0 +1,31 @@
+impl Solution {
+    pub fn summary_ranges(nums: Vec<i32>) -> Vec<String> {
+        let mut ans = Vec::new();
+        if nums.is_empty() {
+            return Vec::new();
+        }
+        let mut current_range = (nums[0], nums[0]);
+
+        for num in &nums[1..] {
+            if *num == current_range.1 + 1 {
+                current_range.1 += 1;
+            } else {
+                if current_range.0 == current_range.1 {
+                    ans.push(format!("{}", current_range.0))
+                } else {
+                    ans.push(format!("{}->{}", current_range.0, current_range.1));
+                }
+                current_range = (*num, *num);
+            }
+        }
+
+        if current_range.0 == current_range.1 {
+            ans.push(format!("{}", current_range.0))
+        } else {
+            ans.push(format!("{}->{}", current_range.0, current_range.1));
+        };
+
+        ans
+    }
+
+}