From 7c1b63888bcc82f9d49e25726359d5c73c3e92a4 Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Mon, 11 Nov 2024 18:01:56 +0100
Subject: day 10, part 2, aoc 2022

---
 2022/src/day10.cpp | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to '2022/src')

diff --git a/2022/src/day10.cpp b/2022/src/day10.cpp
index 76c953c..5238474 100644
--- a/2022/src/day10.cpp
+++ b/2022/src/day10.cpp
@@ -21,7 +21,6 @@ read_file(string_view filename)
 			reg_x += stoi(line.substr(add_instr.size()));
 		}
 	}
-	cycles.emplace_back(reg_x);
 
 	return cycles;
 }
@@ -36,9 +35,25 @@ part1(const vector<int>& cycles)
 	cout << sum << endl;
 }
 
+void
+part2(const vector<int>& cycles)
+{
+	static const size_t width = 40;
+	for ( size_t cycle = 0; cycle != cycles.size(); ++cycle ) {
+		auto column = cycle % width;
+		if ( column == 0 ) {
+			cout << '\n';
+		}
+		auto res = static_cast<int>(column) - cycles[cycle];
+		cout << " #"[res == -1 || res == 0 || res == 1];
+	}
+	cout << endl;
+}
+
 int
 main()
 {
 	const auto cycles = read_file("data/day10.txt");
 	part1(cycles);
+	part2(cycles);
 }
-- 
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