title: Efficient Way Check Whether N Th Fibonacci Number Multiple 10
signature: efficientWayCheckWhetherNThFibonacciNumberMultiple10(n) {
test_code: import 'dart:convert';
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(bool actual, bool expected){
      return actual.toString() == expected.toString();
  }
  
  String driver(n, bool expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(n), expected)){
              return "PASSED";
          }
          return "FAILED";
      }catch(exception_object){
          return exception_object.runtimeType.toString();
      }
  }
  
  int main() {
  
      print("TEST-0...${driver(
          30, 
          true)
      }");
  
      print("TEST-1...${driver(
          -30, 
          true)
      }");
  
      print("TEST-2...${driver(
          60, 
          true)
      }");
  
      print("TEST-3...${driver(
          90, 
          true)
      }");
  
      print("TEST-4...${driver(
          99, 
          false)
      }");
  
      print("TEST-5...${driver(
          32, 
          false)
      }");
  
      print("TEST-6...${driver(
          21, 
          false)
      }");
  
      print("TEST-7...${driver(
          65, 
          false)
      }");
  
      print("TEST-8...${driver(
          21, 
          false)
      }");
  
      print("TEST-9...${driver(
          99, 
          false)
      }");
  
      return 0;
  }
source_py: def efficient_way_check_whether_n_th_fibonacci_number_multiple_10(n):
      return ((n % 15) == 0)
source_cpp: bool efficient_way_check_whether_n_th_fibonacci_number_multiple_10(int n) {
    return ( n % 15 == 0 );
  }