more exact timing

src/Day.h

@@ -24,16 +24,16 @@ public:
 		std::cout << "Task 1" << std::endl;
 		Result result1 = Task1();
 		auto stop1 = high_resolution_clock::now();
-		auto dur1 = duration_cast<milliseconds>(stop1 - start);
+		auto dur1 = duration_cast<microseconds>(stop1 - start);
 		std::cout << "Result: " << result1 << std::endl;
-		std::cout << "Duration: " << dur1.count() << "ms" << std::endl;
+		std::cout << "Duration: " << double(dur1.count()) / 1000. << "ms" << std::endl;
 
 		std::cout << "Task 2" << std::endl;
 		Result result2 = Task2();
 		auto stop2 = high_resolution_clock::now();
-		auto dur2 = duration_cast<milliseconds>(stop2 - stop1);
+		auto dur2 = duration_cast<microseconds>(stop2 - stop1);
 		std::cout << "Result: " << result2 << std::endl;
-		std::cout << "Duration: " << dur2.count() << "ms" << std::endl << std::endl;
+		std::cout << "Duration: " << double(dur2.count()) / 1000. << "ms" << std::endl << std::endl;
 
 		return 0;
 	}