fork download
copy 
  1. using System;
  2.  
  3. namespace _1
  4. {
  5.     class Program
  6.     {
  7.         static void Main(string[] args)
  8.         {
  9.             Console.WriteLine(AddF("11"));
  10.             Console.WriteLine(AddF("1T1"));
  11.             Console.WriteLine(AddF("X"));
  12.         }
  13.  
  14.         static string AddF(string s)
  15.         {
  16.             if (s.Length < 4)
  17.                 s = s.PadLeft(4, 'F');
  18.             return s;
  19.         }
  20.     }
  21. }
  22.  
Success #stdin #stdout 0.02s 33736KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
FF11
F1T1
FFFX
https://ideone.com/jJ4rV7
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!