Create 2678. Number of Senior Citizens (#543)

Author: Chayandas07

2678. Number of Senior Citizens

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+class Solution {
+public:
+    int countSeniors(vector<string>& details) {
+        int cnt = 0; // Initialize counter for senior citizens
+        
+        // Iterate through each detail string in the list
+        for(auto detail: details) {
+            // Extract age from the detail string 
+            int age = (detail[11] - '0') * 10 + (detail[12] - '0');
+            
+            // Check if the age is greater than 60
+            if(age > 60) {
+                ++cnt; // Increment counter if the age is greater than 60
+            }
+        }
+        
+        return cnt; // Return the total count of senior citizens
+    }
+};