title: Number Of Triangles In A Plane If No More Than Two Points Are Collinear
signature: function numberOfTrianglesInAPlaneIfNoMoreThanTwoPointsAreCollinear(n) {
test_code: 
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function convertToString(value) {
      return JSON.stringify(value, function (key, val) {
          if (val instanceof Set) {
              return Array.from(val);
          } return val;});
  }
  
  function validateSolution(actual, expected){
      return convertToString(actual)===convertToString(expected);
  }
  
  function driver(n, expected){
      try{
          if (validateSolution(PLACEHOLDER_FN_NAME(n),expected)){
              return "PASSED";
          }
          return "FAILED";
      } catch (error) {
        return error.name;
      }
      
  }
      
  function main(){
    let result = '';
    result = driver(67, 47905);
    console.log(`TEST-0...${result}`);
  
    result = driver(58, 30856);
    console.log(`TEST-1...${result}`);
  
    result = driver(67, 47905);
    console.log(`TEST-2...${result}`);
  
    result = driver(60, 34220);
    console.log(`TEST-3...${result}`);
  
    result = driver(4, 4);
    console.log(`TEST-4...${result}`);
  
    result = driver(97, 147440);
    console.log(`TEST-5...${result}`);
  
    result = driver(9, 84);
    console.log(`TEST-6...${result}`);
  
    result = driver(16, 560);
    console.log(`TEST-7...${result}`);
  
    result = driver(83, 91881);
    console.log(`TEST-8...${result}`);
  
    result = driver(87, 105995);
    console.log(`TEST-9...${result}`);
  
    process.exit(0);
  };
  
  if (require.main === module) {
    main();
  }
source_py: def number_of_triangles_in_a_plane_if_no_more_than_two_points_are_collinear(n):
      return (((n * (n - 1)) * (n - 2)) // 6)
source_cpp: int number_of_triangles_in_a_plane_if_no_more_than_two_points_are_collinear(int n) {
    return n * ( n - 1 ) * ( n - 2 ) / 6;
  }