title: Program Binary Decimal Conversion 1
signature: function programBinaryDecimalConversion1($n) {
test_code: <?php
  
  
  // SOLUTION CODE 
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function validateSolution($actual, $expected){
      return serialize($actual) == serialize($expected);
  }
  
  function driver($n, $expected){
      try{
        if (validateSolution(PLACEHOLDER_FN_NAME($n), $expected)){
          return "PASSED";
        }
        return "FAILED";
      }
      catch (Exception $exception_obj) {
        return get_class($exception_obj);
      }
  }
  
  function main(){
      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));
      
  }
  
  main();
  ?>
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;
  }