title: Compute Average Two Numbers Without Overflow
signature: function computeAverageTwoNumbersWithoutOverflow($a, $b) {
test_code: <?php
  
  
  // SOLUTION CODE 
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function validateSolution($actual, $expected){
      return serialize($actual) == serialize($expected);
  }
  
  function driver($a, $b, $expected){
      try{
        if (validateSolution(PLACEHOLDER_FN_NAME($a, $b), $expected)){
          return "PASSED";
        }
        return "FAILED";
      }
      catch (Exception $exception_obj) {
        return get_class($exception_obj);
      }
  }
  
  function main(){
      printf("TEST-0...%s\n",driver(
        1, 44, 
        22));
      
      printf("TEST-1...%s\n",driver(
        6, 61, 
        33));
      
      printf("TEST-2...%s\n",driver(
        75, 20, 
        47));
      
      printf("TEST-3...%s\n",driver(
        51, 17, 
        34));
      
      printf("TEST-4...%s\n",driver(
        19, 25, 
        22));
      
      printf("TEST-5...%s\n",driver(
        82, 98, 
        90));
      
      printf("TEST-6...%s\n",driver(
        72, 21, 
        46));
      
      printf("TEST-7...%s\n",driver(
        48, 41, 
        44));
      
      printf("TEST-8...%s\n",driver(
        12, 17, 
        14));
      
      printf("TEST-9...%s\n",driver(
        41, 80, 
        60));
      
  }
  
  main();
  ?>
source_py: def compute_average_two_numbers_without_overflow(a, b):
      return floor(((a + b) / 2))
source_cpp: int compute_average_two_numbers_without_overflow(int a, int b) {
    return ( a + b ) / 2;
  }