2025 day 1, splitbyindex & day timings

2025-12-01 14:05:54 +00:00
parent d2efdef91f
commit ea97c808e5
10 changed files with 4931 additions and 0 deletions
--- a/2025/aoc.cpp
+++ b/2025/aoc.cpp
@@ -0,0 +1,118 @@
+#include <iostream>
+#include <chrono>
+
+#include "aoc.hpp"
+#include "day1.hpp"
+
+int main(int argc, char** argv)
+{
+    std::cout << "Advent of Code 2025 runner" << std::endl;
+    std::cout << "©Ben Kyd 2025, All Rights Reserved" << std::endl;
+
+    // Very shit command-line parsing :tm:
+    int run_day = 0;
+    std::filesystem::path base = "./";
+
+    for (int i = 1; i < argc; ++i)
+    {
+        std::string arg = argv[i];
+
+        // Day flag
+        if (arg == "-d")
+        {
+            if (i + 1 >= argc)
+            {
+                std::cerr << "Error: -d requires a day number\n";
+                return 1;
+            }
+            ++i;
+            run_day = std::atoi(argv[i]);
+            std::cout << "Selected day to run: " << run_day << "\n";
+        }
+
+        // Path flag
+        if (arg == "-p" || arg == "--path")
+        {
+            if (i + 1 >= argc)
+            {
+                std::cerr << "Error: " << arg << " requires a path\n";
+                return 1;
+            }
+            ++i;
+            base /= argv[i];
+            std::cout << "Selected base path: " << base.string() << "\n";
+        }
+
+        // Help flag
+        if (arg == "help" || arg == "--help" || arg == "-h")
+        {
+            std::cout << "\nUsage:\n"
+                      << "  -d [day]    Run a specific day\n"
+                      << "  -p [path]   Set a base path for input\n"
+                      << "  help        Show this help message\n"
+                      << "  (no args)   Run all days\n";
+            return 0;
+        }
+
+        // Unknown argument
+        if (arg != "-d" && arg != "-p" && arg != "--path" &&
+            arg != "help" && arg != "--help" && arg != "-h")
+        {
+            std::cerr << "Unknown argument: " << arg << "\n"
+                      << "Use 'help' for usage information.\n";
+            return 1;
+        }
+    }
+    //
+    // Run days
+    if (run_day == 0)
+    {
+        for (auto& [num, day] : GetRegisteredDays())
+        {
+            std::cout << "Running Day " << num << ":\n";
+
+            std::string filename = std::to_string(num) + ".txt";
+            std::filesystem::path path = base / filename;
+
+            std::cout << "Reading " << path << "..." << std::endl;
+            File file{path};
+            File file1{path};
+
+            int partOne = day->PartOne(file);
+            int partTwo = day->PartTwo(file1);
+
+            std::cout << "Part 1: " << partOne << "\n";
+            std::cout << "Part 2: " << partTwo << "\n";
+        }
+    } else
+    {
+        for (auto& [num, day] : GetRegisteredDays(run_day))
+        {
+            std::cout << "Running only Day " << num << ":\n";
+
+            std::string filename = std::to_string(num) + ".txt";
+            std::filesystem::path path = base / filename;
+
+            std::cout << "Reading " << path << "..." << std::endl;
+            File file{path};
+            File file1{path};
+
+            auto start = std::chrono::high_resolution_clock::now();
+
+            int partOne = day->PartOne(file);
+
+            auto endpart1 = std::chrono::high_resolution_clock::now();
+            auto startpart2 = std::chrono::high_resolution_clock::now();
+
+            int partTwo = day->PartTwo(file1);
+
+            auto end = std::chrono::high_resolution_clock::now();
+
+            std::cout << "Part 1: " << partOne << " - took " << std::chrono::duration<double, std::milli>(endpart1 - start).count() << "ms" << std::endl;
+            std::cout << "Part 2: " << partTwo << " - took " << std::chrono::duration<double, std::milli>(end - startpart2).count() << "ms" << std::endl;
+            std::cout << "Day " << run_day << " ran in " << std::chrono::duration<double, std::milli>(end - start).count() << "ms" << std::endl;
+        }
+    }
+
+}
+