Added solution for 2678

Author: chirag64

02678. Number of Senior Citizens.rs

@@ -0,0 +1,13 @@
+impl Solution {
+    // Loop through details vector. During each iteration, extract the age-specific strings and convert them into integer. Post conversion, check if they are greater than 60. Return the total count
+    pub fn count_seniors(details: Vec<String>) -> i32 {
+        let mut result = 0;
+        for detail in details {
+            let age = &detail[11..13].parse::<i32>().unwrap();
+            if *age > 60 {
+                result += 1;
+            }
+        }
+        return result;
+    }
+}