Day 01

.gitignore

@@ -3,3 +3,4 @@ session
 /input/
 /xtensor/
 /xtl/
+.idea

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;
 	}

src/days/01/Day01.cpp

@@ -1,9 +1,24 @@
 #include "Day01.h"
 
 Result Day01::Task1() {
-    return Day::Task1();
+	subSums.push_back(0);
+    for (const std::string& line : input){
+		if (line.empty())
+			subSums.push_back(0);
+		else
+			subSums[subSums.size() - 1] += stoi(line);
+	}
+	return to_string(*std::max_element(subSums.begin(), subSums.end()));
 }
 
 Result Day01::Task2() {
-    return Day::Task2();
+	std::sort(subSums.begin(), subSums.end());
+
+	int sum = 0;
+	for (int i = 0; i < 3; i++){
+		sum += subSums.back();
+		subSums.pop_back();
+	}
+
+	return to_string(sum);
 }

src/days/01/Day01.h

@@ -7,4 +7,6 @@ protected:
     Result Task1() override;
 
     Result Task2() override;
+
+	std::vector<int> subSums;
 };

src/main.cpp

@@ -15,7 +15,7 @@ Input getInput(int day, std::string key, bool useTestInput) {
 		if (key.empty())
 			return input;
 		std::string dayStr = std::to_string(day);
-		std::string url = "https://adventofcode.com/2021/day/" + dayStr + "/input";
+		std::string url = "https://adventofcode.com/2022/day/" + dayStr + "/input";
 		std::cout << "Input does not exist. Fetching from " + url << std::endl;
 		std::ofstream file(localFilePath);
 		file << cpr::Get(cpr::Url{url}, cpr::Cookies{{"session", key}}).text;

src/util.h

@@ -5,3 +5,6 @@
 #include <string>
 #include <tuple>
 #include <iostream>
+
+using std::stoi, std::to_string;
+using std::cout, std::endl;