title: Program Binary Decimal Conversion 1
signature: programBinaryDecimalConversion1 :: String -> Integer
  programBinaryDecimalConversion1 n = 
test_code: import Text.Printf
  import Control.Exception (catch, SomeException)
  import Data.Typeable
  import qualified Data.List as List
  import qualified Data.Map as Map
  import qualified Data.Set as Set
  
  -- SOLUTION CODE
  -- ============================================
  
  PLACEHOLDER_CODE_BODY
  
  -- TESTING CODE 
  -- ============================================
  validateSolution :: Integer -> Integer -> Bool
  validateSolution actual expected = do
      actual == expected
  
  
  driver :: String -> Integer -> String
  driver n expected = do
      if (validateSolution (PLACEHOLDER_FN_NAME n) expected)
          then "PASSED"
      else "FAILED"
  
  main = do
      printf "TEST-0...%s\n" (driver ("uEmIAgF") (0) )
  
      printf "TEST-1...%s\n" (driver ("753310137") (20) )
  
      printf "TEST-2...%s\n" (driver ("010011010") (154) )
  
      printf "TEST-3...%s\n" (driver ("kNi") (0) )
  
      printf "TEST-4...%s\n" (driver ("04562016903312") (130) )
  
      printf "TEST-5...%s\n" (driver ("000111101") (61) )
  
      printf "TEST-6...%s\n" (driver ("bk") (0) )
  
      printf "TEST-7...%s\n" (driver ("9") (0) )
  
      printf "TEST-8...%s\n" (driver ("1") (1) )
  
      printf "TEST-9...%s\n" (driver ("XxT nXLlk") (0) )
  
source_py: def program_binary_decimal_conversion_1(n):
      num = n
      dec_value = 0
      base1 = 1
      len1 = len(num)
      for i in range((len1 - 1), (- 1), (- 1)):
          if (num[i] == '1'):
              dec_value += base1
          base1 = (base1 * 2)
      return dec_value
source_cpp: int program_binary_decimal_conversion_1(string n) {
    string num = n;
    int dec_value = 0;
    int base = 1;
    int len = num . length ( );
    for ( int i = len - 1;
    i >= 0;
    i -- ) {
      if ( num [ i ] == '1' ) dec_value += base;
      base = base * 2;
    }
    return dec_value;
  }