title: Ways Remove One Element Binary String Xor Becomes Zero
signature: func waysRemoveOneElementBinaryStringXorBecomesZero(str string) int {
test_code: package main
  
  import (
      "fmt"
      "reflect"
      "math"
      "sort"
  )
  
  // SOLUTION CODE
  // ===================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE
  // ===================================
  func validateSolution(actual int, expected int) bool {
      return reflect.DeepEqual(actual,expected)
  }
  
  func driver(str string, expected int) string {
      if validateSolution(PLACEHOLDER_FN_NAME(str),expected) {
              return "PASSED"
      }
      return "FAILED"
  
  }
  
  func main() {
  
      // Use imports to avoid undefined errors
      var _ = reflect.DeepEqual
      _ = math.Abs
      _ = sort.Sort
      result := ""
      result = driver("KfcTJNP", 7)
      fmt.Printf("TEST-0...%s\n", result)
      
      result = driver("05312505872", 1)
      fmt.Printf("TEST-1...%s\n", result)
      
      result = driver("100111", 2)
      fmt.Printf("TEST-2...%s\n", result)
      
      result = driver("tDEEhKxrQ", 9)
      fmt.Printf("TEST-3...%s\n", result)
      
      result = driver("50824233019", 1)
      fmt.Printf("TEST-4...%s\n", result)
      
      result = driver("10001110010", 5)
      fmt.Printf("TEST-5...%s\n", result)
      
      result = driver("T SEZaNm MYQ", 12)
      fmt.Printf("TEST-6...%s\n", result)
      
      result = driver("838415739", 1)
      fmt.Printf("TEST-7...%s\n", result)
      
      result = driver("01110100", 4)
      fmt.Printf("TEST-8...%s\n", result)
      
      result = driver("WYQiAey H", 9)
      fmt.Printf("TEST-9...%s\n", result)
      
          
  }
source_py: def ways_remove_one_element_binary_string_xor_becomes_zero(str):
      one_count = 0
      zero_count = 0
      n = len(str)
      for i in range(0, n, 1):
          if (str[i] == '1'):
              one_count += 1
          else:
              zero_count += 1
      if ((one_count % 2) == 0):
          return zero_count
      return one_count
source_cpp: int ways_remove_one_element_binary_string_xor_becomes_zero(string str) {
    int one_count = 0, zero_count = 0;
    int n = str . length ( );
    for ( int i = 0;
    i < n;
    i ++ ) if ( str [ i ] == '1' ) one_count ++;
    else zero_count ++;
    if ( one_count % 2 == 0 ) return zero_count;
    return one_count;
  }