title: Write A C Program To Find The Parity Of An Unsigned Integer
signature: function writeACProgramToFindTheParityOfAnUnsignedInteger(n: number): number {
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;
  }
question_info.test_list: [{"idx": 0, "outputs": 0, "inputs": {"n": 63}}, {"idx": 1, "outputs": -1, "inputs": {"n": 64}}, {"idx": 2, "outputs": 0, "inputs": {"n": 85}}, {"idx": 3, "outputs": 0, "inputs": {"n": 36}}, {"idx": 4, "outputs": 0, "inputs": {"n": 20}}, {"idx": 5, "outputs": 0, "inputs": {"n": 63}}, {"idx": 6, "outputs": -1, "inputs": {"n": 42}}, {"idx": 7, "outputs": -1, "inputs": {"n": 19}}, {"idx": 8, "outputs": -1, "inputs": {"n": 62}}, {"idx": 9, "outputs": -1, "inputs": {"n": 97}}]
question_info.entry_cls_name: Solution
question_info.test_code: 
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function convertToString(value: any): string{
      return JSON.stringify(value, function (key, val) {
          if (val instanceof Set) {
              return Array.from(val);
          } return val;});
  }
  
  function validateSolution(actual: number, expected: number): boolean {
      return convertToString(actual) === convertToString(expected);
  }
  
  function driver(n: number, expected:number): string {
      try{
          if (validateSolution(PLACEHOLDER_FN_NAME(n),expected)){
              return "PASSED";
          }
          return "FAILED";
      } catch (error) {
        return error.name;
      }
      
  }
      
  function main(){
    let result = '';
    result = driver(63, 0);
    console.log(`TEST-0...${result}`);
  
    result = driver(64, -1);
    console.log(`TEST-1...${result}`);
  
    result = driver(85, 0);
    console.log(`TEST-2...${result}`);
  
    result = driver(36, 0);
    console.log(`TEST-3...${result}`);
  
    result = driver(20, 0);
    console.log(`TEST-4...${result}`);
  
    result = driver(63, 0);
    console.log(`TEST-5...${result}`);
  
    result = driver(42, -1);
    console.log(`TEST-6...${result}`);
  
    result = driver(19, -1);
    console.log(`TEST-7...${result}`);
  
    result = driver(62, -1);
    console.log(`TEST-8...${result}`);
  
    result = driver(97, -1);
    console.log(`TEST-9...${result}`);
  
  };
  
  main();
question_info.extension: ts
question_info.entry_fn_name: writeACProgramToFindTheParityOfAnUnsignedInteger
question_info.test_case_ids: 0 1 2 3 4 5 6 7 8 9
question_info.commands: tsc --target es2020 --lib es5,dom,es2015,es2020 __FILENAME__
question_info.commands: node __FILENAME__.js