2021 - Day 1

2021/1/1/main.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+#include <fstream>
+
+int main() {
+	std::fstream input("1/input", std::ios::in);
+
+	std::string line;
+	std::getline(input, line);
+	int prev = std::stoi(line);
+
+	int increases = 0;
+	while (std::getline(input, line)) {
+		int next = std::stoi(line);
+
+		if (next > prev) {
+			increases++;
+		}
+
+		prev = next;
+	}
+
+	std::cout << "Increases: " << increases << '\n';
+}