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/day11.cpp | 100 ----------------------------------------------------------
 1 file changed, 100 deletions(-)
 delete mode 100644 src/day11.cpp

(limited to 'src/day11.cpp')

diff --git a/src/day11.cpp b/src/day11.cpp
deleted file mode 100644
index e1a0882..0000000
--- a/src/day11.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-#include <cmath>
-#include <fstream>
-#include <iostream>
-#include <set>
-#include <string>
-#include <vector>
-using namespace std;
-
-vector<string>
-read_file(string_view filename)
-{
-	fstream        input{ filename };
-	vector<string> data;
-
-	for ( string line; getline(input, line); ) {
-		data.emplace_back(line);
-	}
-
-	return data;
-}
-
-vector<tuple<long, long>>
-find_points(const vector<string>& input)
-{
-	vector<tuple<long, long>> result;
-
-	for ( size_t row = 0; row != input.size(); ++row ) {
-		const auto& line = input[row];
-
-		for ( size_t col = 0; col != line.size(); ++col ) {
-			if ( line[col] == '#' ) {
-				result.emplace_back(long(row), long(col));
-			}
-		}
-	}
-
-	return result;
-}
-
-void
-find_empty_rows_and_cols(const vector<string>& input, set<long>& cols, set<long>& rows)
-{
-	for ( size_t row = 0; row != input.size(); ++row ) {
-		const auto& line = input[row];
-		if ( line.find('#') == line.npos ) {
-			rows.insert(long(row));
-		}
-	}
-
-	for ( size_t col = 0; col != input[0].size(); ++col ) {
-		bool empty_col = true;
-		for ( const auto& line: input ) {
-			if ( line[col] == '#' ) {
-				empty_col = false;
-			}
-		}
-		if ( empty_col ) {
-			cols.insert(long(col));
-		}
-	}
-}
-
-long
-solve(const vector<string>& input, long scale)
-{
-	auto points = find_points(input);
-
-	set<long> cols;
-	set<long> rows;
-
-	find_empty_rows_and_cols(input, cols, rows);
-
-	for ( auto& point: points ) {
-		const auto row = get<0>(point) + count_if(rows.begin(), rows.end(), [&](long row) { return row < get<0>(point); }) * (scale - 1);
-		const auto col = get<1>(point) + count_if(cols.begin(), cols.end(), [&](long col) { return col < get<1>(point); }) * (scale - 1);
-
-		point = { row, col };
-	}
-
-	auto sum = 0L;
-	for ( size_t i = 0; i != points.size(); ++i ) {
-		for ( size_t j = i + 1; j != points.size(); ++j ) {
-			const auto& from = points[i];
-			const auto& to   = points[j];
-
-			sum += abs(get<0>(from) - get<0>(to)) + abs(get<1>(from) - get<1>(to));
-		}
-	}
-
-	return sum;
-}
-
-int
-main()
-{
-	const auto input = read_file("data/day11.txt");
-
-	cout << "Part1: " << solve(input, 2) << endl;
-	cout << "Part2: " << solve(input, 1000000) << endl;
-}
-- 
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