title: Write A C Program To Find The Parity Of An Unsigned Integer
signature: writeACProgramToFindTheParityOfAnUnsignedInteger :: Integer -> Integer
  writeACProgramToFindTheParityOfAnUnsignedInteger 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 :: Integer -> 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 (63) (0) )
  
      printf "TEST-1...%s\n" (driver (64) (-1) )
  
      printf "TEST-2...%s\n" (driver (85) (0) )
  
      printf "TEST-3...%s\n" (driver (36) (0) )
  
      printf "TEST-4...%s\n" (driver (20) (0) )
  
      printf "TEST-5...%s\n" (driver (63) (0) )
  
      printf "TEST-6...%s\n" (driver (42) (-1) )
  
      printf "TEST-7...%s\n" (driver (19) (-1) )
  
      printf "TEST-8...%s\n" (driver (62) (-1) )
  
      printf "TEST-9...%s\n" (driver (97) (-1) )
  
source_py: def write_a_c_program_to_find_the_parity_of_an_unsigned_integer(n):
      parity = 0
      while n:
          parity = (~ parity)
          n = (n & (n - 1))
      return parity
source_cpp: bool write_a_c_program_to_find_the_parity_of_an_unsigned_integer(unsigned int n) {
    bool parity = 0;
    while ( n ) {
      parity = ! parity;
      n = n & ( n - 1 );
    }
    return parity;
  }