title: Number Non Negative Integral Solutions B C N 1
signature: function numberNonNegativeIntegralSolutionsBCN1($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(
        41, 
        903));
      
      printf("TEST-1...%s\n",driver(
        72, 
        2701));
      
      printf("TEST-2...%s\n",driver(
        54, 
        1540));
      
      printf("TEST-3...%s\n",driver(
        75, 
        2926));
      
      printf("TEST-4...%s\n",driver(
        87, 
        3916));
      
      printf("TEST-5...%s\n",driver(
        41, 
        903));
      
      printf("TEST-6...%s\n",driver(
        78, 
        3160));
      
      printf("TEST-7...%s\n",driver(
        80, 
        3321));
      
      printf("TEST-8...%s\n",driver(
        46, 
        1128));
      
      printf("TEST-9...%s\n",driver(
        9, 
        55));
      
  }
  
  main();
  ?>
source_py: def number_non_negative_integral_solutions_b_c_n_1(n):
      return int((((n + 1) * (n + 2)) / 2))
source_cpp: int number_non_negative_integral_solutions_b_c_n_1(int n) {
    return ( ( n + 1 ) * ( n + 2 ) ) / 2;
  }