title: Write A C Program To Find The Parity Of An Unsigned Integer
signature: function writeACProgramToFindTheParityOfAnUnsignedInteger($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(
        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));
      
  }
  
  main();
  ?>
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;
  }