From 56e890cec0a28c0a485212ccebfaf774235a79a2 Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Wed, 3 Jan 2024 23:35:54 +0100
Subject: prepare for more puzzles ... :)

---
 src/day08.cpp | 110 ----------------------------------------------------------
 1 file changed, 110 deletions(-)
 delete mode 100644 src/day08.cpp

(limited to 'src/day08.cpp')

diff --git a/src/day08.cpp b/src/day08.cpp
deleted file mode 100644
index 3e1b6c9..0000000
--- a/src/day08.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-#include <array>
-#include <fstream>
-#include <iostream>
-#include <map>
-#include <regex>
-#include <numeric>
-using namespace std;
-
-struct Generator {
-	explicit Generator(string_view init)
-	    : values_(init)
-	    , iter_(values_.begin())
-
-	{
-	}
-
-	size_t next()
-	{
-		size_t gen = (*iter_ == 'L') ? 0 : 1;
-
-		++iter_;
-		if ( iter_ == values_.end() ) {
-			iter_ = values_.begin();
-		}
-
-		return gen;
-	}
-
-	string           values_;
-	string::iterator iter_;
-};
-
-void
-part1()
-{
-	fstream input{ "data/day08.txt" };
-
-	string line;
-	getline(input, line);
-
-	Generator generator{ line };
-
-	map<string, array<string, 2>> puzzle;
-
-	const regex pattern{ R"((.*) = \((.*), (.*)\))" };
-	while ( getline(input, line) ) {
-		if ( line.empty() ) {
-			continue;
-		}
-
-		smatch sub_match;
-		if ( regex_search(line, sub_match, pattern) ) {
-			puzzle[sub_match[1]] = { sub_match[2], sub_match[3] };
-		}
-	}
-
-	auto counter = 0;
-	for ( string str{ "AAA" }; str != "ZZZ"; str = puzzle[str][generator.next()] ) {
-		++counter;
-	}
-	cout << counter << endl;
-}
-
-void
-part2()
-{
-	fstream input{ "data/day08.txt" };
-
-	string firstline;
-	getline(input, firstline);
-
-	map<string, array<string, 2>> puzzle;
-
-	const regex pattern{ R"((.*) = \((.*), (.*)\))" };
-	for ( string line; getline(input, line); ) {
-		if ( line.empty() ) {
-			continue;
-		}
-
-		smatch sub_match;
-		if ( regex_search(line, sub_match, pattern) ) {
-			puzzle[sub_match[1]] = { sub_match[2], sub_match[3] };
-		}
-	}
-
-	auto value = 1L;
-	for ( const auto& entry: puzzle ) {
-		if ( entry.first[2] != 'A' ) {
-			continue;
-		}
-
-		Generator generator{ firstline };
-
-		auto counter = 0L;
-
-		for ( string str{ entry.first }; str[2] != 'Z'; str = puzzle[str][generator.next()] ) {
-			++counter;
-		}
-
-		value = lcm(value, counter);
-	}
-	cout << value << endl;
-}
-
-int
-main()
-{
-	part1();
-	part2();
-}
-- 
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