title: Decode Median String Original String
signature: fun decodeMedianStringOriginalString(s: String): String {
test_code: package main
  
  import kotlin.text.*
  import kotlin.math.*
  
  
  // SOLUTION CODE
  // ===================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE
  // ===================================
  fun validateSolution(actual:String, expected:String):Boolean{
    return actual.equals(expected)
  }
  fun driver(s: String, expected:String):String {
      try{
        if (validateSolution(PLACEHOLDER_FN_NAME(s), expected)) {
                return "PASSED"
        }
        return "FAILED"
      } catch (e: Exception){
        return e::class.simpleName as String
      }
  
  }
  
  fun main() {
      var result: String = ""
      result = driver(" EgvQCeqYpZtv", "tpqCvE gQeYZv")
      println("TEST-0...${result}")
      
      result = driver("488540", "484850")
      println("TEST-1...${result}")
      
      result = driver("0000101010111", "1000000011111")
      println("TEST-2...${result}")
      
      result = driver("syw", "ysw")
      println("TEST-3...${result}")
      
      result = driver("402355", "524035")
      println("TEST-4...${result}")
      
      result = driver("0", "0")
      println("TEST-5...${result}")
      
      result = driver("wmHMlAtq", "tlHwmMAq")
      println("TEST-6...${result}")
      
      result = driver("7962", "6792")
      println("TEST-7...${result}")
      
      result = driver("111111", "111111")
      println("TEST-8...${result}")
      
      result = driver("UbgRGDquop", "oqGgUbRDup")
      println("TEST-9...${result}")
      
          
  }
  
  main()
source_py: def decode_median_string_original_string(s):
      l = len(s)
      s1 = ''
      if ((l % 2) == 0):
          isEven = True
      else:
          isEven = False
      for i in range(0, l, 2):
          if isEven:
              s1 = (s[i] + s1)
              s1 += s[(i + 1)]
          elif ((l - i) > 1):
              s1 += s[i]
              s1 = (s[(i + 1)] + s1)
          else:
              s1 += s[i]
      return s1
source_cpp: string decode_median_string_original_string(string s) {
    int l = s . length ( );
    string s1 = "";
    bool isEven = ( l % 2 == 0 ) ? true : false;
    for ( int i = 0;
    i < l;
    i += 2 ) {
      if ( isEven ) {
        s1 = s [ i ] + s1;
        s1 += s [ i + 1 ];
      }
      else {
        if ( l - i > 1 ) {
          s1 += s [ i ];
          s1 = s [ i + 1 ] + s1;
        }
        else {
          s1 += s [ i ];
        }
      }
    }
    return s1;
  }