First and Last Digit Codechef Problem Solution In (C++,C#)

https://www.codechef.com/problems/FLOW004

In C++.................

#include <bits/stdc++.h>

using namespace std;

int main()
{

    int t;
    cin>>t;
    string s;
    while(t--){
            cin>>s;
   int l=s.size();
   cout<<(s[0]-'0')+(s[l-1]-'0')<<endl;
    }
    return 0;
}



In C#............

using System;



    public class Program
    {
       public static int Counting(string s)
        {

            int l = s.Length;
            int f = (s[0])-'0';
            int la = (s[l - 1])-'0';
            return la+f;

        }
        public static void Main()

        {
            int T = Convert.ToInt32(Console.ReadLine());
            for (int i = 0; i < T;i++ )
            {
                string s = Console.ReadLine();

                Console.WriteLine(Counting(s));
               }
            Console.ReadKey();
               
        }

    }