title: Quick Way Check Characters String
signature: function quick_way_check_characters_string(s)
source_py: def quick_way_check_characters_string(s):
      n = len(s)
      for i in range(1, n):
          if (s[i] != s[0]):
              return False
      return True
source_cpp: bool quick_way_check_characters_string(string s) {
    int n = s . length ( );
    for ( int i = 1;
    i < n;
    i ++ ) if ( s [ i ] != s [ 0 ] ) return false;
    return true;
  }
question_info.entry_fn_name: quick_way_check_characters_string
question_info.entry_cls_name: Solution
question_info.test_case_ids: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
question_info.test_code: 
  
  -- SOLUTION CODE
  -- ============================================
  PLACEHOLDER_CODE_BODY
  
  -- TESTING CODE 
  -- ============================================
  function isCorrect(actual, expected)
      if type(expected) ~= type(actual) then
          return false
      end
      
      if type(expected) == 'table' then
          for k,v_expected in pairs(expected) do
              
              if actual[k] == nil then
                  return false
              end
              local v_actual = actual[k]
              if not isCorrect(v_actual, v_expected) then
                  return false
              end
              actual[k]=nil
          end
      
          if next(actual) then 
              return false
          end
          return true
      else
          return actual == expected
      end
  end
  
  function validateSolution(actual, expected)
      return isCorrect(actual,expected)
  end
  
  function driver(s, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(s) 
      end)
      if status then
          if validateSolution(exec_result,expected) then
              return "PASSED"
          end
          return "FAILED"
      else
          return string.format("ERROR=%s",string.gsub(error_msg,".*:[%d]+: ",""))
      end
  end
      
  function main()
      result = driver("", true)
      print(string.format("TEST-0...%s",result))
  
      result = driver("ggg", true)
      print(string.format("TEST-1...%s",result))
  
      result = driver("11", true)
      print(string.format("TEST-2...%s",result))
  
      result = driver("KoYIHns", false)
      print(string.format("TEST-3...%s",result))
  
      result = driver("232", false)
      print(string.format("TEST-4...%s",result))
  
      result = driver("10111000011101", false)
      print(string.format("TEST-5...%s",result))
  
      result = driver("DDDD", true)
      print(string.format("TEST-6...%s",result))
  
      result = driver("11", true)
      print(string.format("TEST-7...%s",result))
  
      result = driver("11111", true)
      print(string.format("TEST-8...%s",result))
  
      result = driver("ewJvixQzu", false)
      print(string.format("TEST-9...%s",result))
  
  end
  
  main()
question_info.test_list: [{"idx": 0, "outputs": true, "inputs": {"s": ""}}, {"idx": 1, "outputs": true, "inputs": {"s": "ggg"}}, {"idx": 2, "outputs": true, "inputs": {"s": "11"}}, {"idx": 3, "outputs": false, "inputs": {"s": "KoYIHns"}}, {"idx": 4, "outputs": false, "inputs": {"s": "232"}}, {"idx": 5, "outputs": false, "inputs": {"s": "10111000011101"}}, {"idx": 6, "outputs": true, "inputs": {"s": "DDDD"}}, {"idx": 7, "outputs": true, "inputs": {"s": "11"}}, {"idx": 8, "outputs": true, "inputs": {"s": "11111"}}, {"idx": 9, "outputs": false, "inputs": {"s": "ewJvixQzu"}}]