title: Write A C Program To Find The Parity Of An Unsigned Integer
signature: write_a_c_program_to_find_the_parity_of_an_unsigned_integer <- function(n) {
test_code: 
  
  
  # SOLUTION CODE
  # ============================================
  PLACEHOLDER_CODE_BODY
  
  # TESTING CODE 
  # ============================================
  validate_solution <- function(actual, expected) {
      toString(actual)==toString(expected)
  }
  
  driver <- function(n, expected){
      if (validate_solution(PLACEHOLDER_FN_NAME(n), expected)){
          "PASSED"
      } else{
          "FAILED"
      }
  }
  
  main <- function() {
      cat(sprintf("TEST-0...%s\n",driver(
          63L, 
          0L
      )))
  
      cat(sprintf("TEST-1...%s\n",driver(
          64L, 
          -1L
      )))
  
      cat(sprintf("TEST-2...%s\n",driver(
          85L, 
          0L
      )))
  
      cat(sprintf("TEST-3...%s\n",driver(
          36L, 
          0L
      )))
  
      cat(sprintf("TEST-4...%s\n",driver(
          20L, 
          0L
      )))
  
      cat(sprintf("TEST-5...%s\n",driver(
          63L, 
          0L
      )))
  
      cat(sprintf("TEST-6...%s\n",driver(
          42L, 
          -1L
      )))
  
      cat(sprintf("TEST-7...%s\n",driver(
          19L, 
          -1L
      )))
  
      cat(sprintf("TEST-8...%s\n",driver(
          62L, 
          -1L
      )))
  
      cat(sprintf("TEST-9...%s\n",driver(
          97L, 
          -1L
      )))
  
  }
  
  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;
  }