From d7b5a2ffaa34541f5c8c34d170c74c1ed86f71a3 Mon Sep 17 00:00:00 2001
From: Jos van Goor <Jos van Goor>
Date: Sat, 6 Dec 2025 17:50:17 +0100
Subject: [PATCH] Advent 2016 Day 2 Part 1

---
 advent_of_code_2016/src/day2/input.txt |  5 +++++
 advent_of_code_2016/src/day2/mod.rs    |  2 ++
 advent_of_code_2016/src/day2/part1.rs  | 27 ++++++++++++++++++++++++++
 advent_of_code_2016/src/day2/part2.rs  |  3 +++
 advent_of_code_2016/src/day2/test.txt  |  4 ++++
 advent_of_code_2016/src/main.rs        |  4 ++--
 6 files changed, 43 insertions(+), 2 deletions(-)
 create mode 100644 advent_of_code_2016/src/day2/input.txt
 create mode 100644 advent_of_code_2016/src/day2/mod.rs
 create mode 100644 advent_of_code_2016/src/day2/part1.rs
 create mode 100644 advent_of_code_2016/src/day2/part2.rs
 create mode 100644 advent_of_code_2016/src/day2/test.txt

diff --git a/advent_of_code_2016/src/day2/input.txt b/advent_of_code_2016/src/day2/input.txt
new file mode 100644
index 0000000..ae7bc56
--- /dev/null
+++ b/advent_of_code_2016/src/day2/input.txt
@@ -0,0 +1,5 @@
+UUURRRRULRDLRDRRDURDDDLLDLLLULDUDDLDLULUURULRLDLRRLLLRRDRRLDDLLULUDUDDLRDRDUURDLURUURLRULLDDURULRRURDUURLULUUUURDDDDUUDLULRULLLRLLRRRURDLLRLLRRRUURULRDRUUDDDDDLLLRURRURRUURDUURDDRDLULRRLLLDRRRLURRLLURLDRRDDLDLRRLLRDRLLLLDLULDLRRDRRLDDURLULLUDLUDRRDRRLRLULURDRLRLUUUDLRLDLLLURDUDULULDDRUUURLLLDLLDDUDDRURURUDDLUULRDRRRRLDRDDURLUDURDULLDLUDLULDRLRLLRLLLLRURDURLLDRRDRLRUUUUULLLRUDURUDLLLUDLLLLRDLDRDUDRURLUDDUDDURLUUUUDDLLUDLULLLLLDUDLLRLRRDDDULULRLDRLLULDLUDLLURULRDDUURULRDLDLDLRL
+URUUURDULUDLUUUUDDRRRDRRRLDUDLRDRRDRDDLRUULDLLDUDULLLRLDRDRRLDLDLUUDRUULDUDULDUDURURDDURULDLURULRLULDUDDUULDLLLDDURDDRDDURUULUUDRLDDULDRRRRDURRUDLLLURDDDLRULLRDDRDDDDLUUDRDUULRRRRURULDDDLDDRDRRUDRRURUDRDDLDRRRLLURURUULUUDRDULLDRLRDRRDDURDUDLDRLUDRURDURURULDUUURDUULRRRRRUDLLULDDDRLULDDULUDRRRDDRUDRRDLDLRUULLLLRRDRRLUDRUULRDUDRDRRRDDRLLRUUDRLLLUDUDLULUUDULDRRRRDDRURULDULLURDLLLDUUDLLUDRLDURRRLDDDURUDUDURRULDD
+LRUDDULLLULRLUDUDUDRLLUUUULLUDLUUUUDULLUURDLLRDUDLRUDRUDDURURRURUDLLLRLDLUDRRRRRRDLUURLRDDDULRRUDRULRDRDDUULRDDLDULDRRRDDLURRURLLLRURDULLRUUUDDUDUURLRLDDUURLRDRRLURLDRLLUUURDRUUDUUUDRLURUUUDLDRRLRLLRRUURULLLRLLDLLLDULDDLDULDLDDRUDURDDURDUDURDLLLRRDDLULLLUDURLUDDLDLUUDRDRUDUUDLLDDLLLLDRDULRDLDULLRUDDUULDUDLDDDRUURLDRRLURRDDRUUDRUDLLDLULLULUDUDURDDRLRDLRLDRLDDRULLLRUDULDRLRLRULLRLLRRRLLRRRDDRULRUURRLLLRULDLUDRRDDLLLUDDUDDDLURLUDRDLURUUDLLDLULURRLLDURUDDDDRLULRDDLRLDDLRLLDDRRLRDUDUUULRRLRULUDURDUDRLRLRUDUDLLRRRRLRRUDUL
+RULLLLUUUDLLDLLRULLRURRULDDRDLUULDRLLRUDLLRRLRDURLLDUUUUURUUURDLUURRLDDDLRRRRLRULDUDDLURDRRUUDLRRRDLDDUDUDDRUDURURLDULLDLULDLLUDLULRDRLLURRLLDURLDLRDLULUDDULDLDDDDDUURRDRURLDLDULLURDLLDDLLUDLDLDRLRLDLRDRLDLRRUUDRURLUUUDLURUULDUDRDULLDURUDLUUURRRLLDUDUDDUUULLLRUULDLURUDDRLUDRDDLDLLUDUDRRRDDUUULUULLLRLLUURDUUDRUUULULLDLDRUUDURLLUULRLDLUURLLUUDRURDDRLURULDUDUUDRRUUURDULRLDUUDDRURURDRRULDDDRLUDLLUUDURRRLDLRLRDRURLURLLLRLDDLRRLDLDDURDUUDRDRRLDRLULDRLURUUUDDRLLLDDLDURLLLLDRDLDRRUDULURRLULRDRLLUULLRLRDRLLULUURRUDRUDDDLLDURURLURRRDLLDRDLUDRULULULRLDLRRRUUDLULDURLRDRLULRUUURRDDLRUURUDRURUDURURDD
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
\ No newline at end of file
diff --git a/advent_of_code_2016/src/day2/mod.rs b/advent_of_code_2016/src/day2/mod.rs
new file mode 100644
index 0000000..8e2a92e
--- /dev/null
+++ b/advent_of_code_2016/src/day2/mod.rs
@@ -0,0 +1,2 @@
+pub mod part1;
+pub mod part2;
\ No newline at end of file
diff --git a/advent_of_code_2016/src/day2/part1.rs b/advent_of_code_2016/src/day2/part1.rs
new file mode 100644
index 0000000..13a591a
--- /dev/null
+++ b/advent_of_code_2016/src/day2/part1.rs
@@ -0,0 +1,27 @@
+
+pub fn solve(input: &str) {
+    let digits = [1, 2, 3, 4, 5, 6, 7, 8, 9];
+    let instructions = input.lines().map(|line| line.as_bytes().iter().map(|ch| {
+        match ch {
+            b'U' => 0,
+            b'R' => 1,
+            b'D' => 2,
+            b'L' => 3,
+            _ => panic!("what the delly?")
+        }
+    }).collect::<Vec<_>>()).collect::<Vec<_>>();
+
+    let directions: [(i32, i32); 4] = [(0, -1), (1, 0), (0, 1), (-1, 0)];
+    let mut position = (1, 1);
+
+    print!("code: ");
+    for digit in instructions {
+        for instruction in digit {
+            let x = (position.0 + directions[instruction].0).clamp(0, 2);
+            let y = (position.1 + directions[instruction].1).clamp(0, 2);
+            position = (x, y);
+        }
+
+        print!("{}", digits[(position.0 + position.1 * 3) as usize]);
+    }
+}
diff --git a/advent_of_code_2016/src/day2/part2.rs b/advent_of_code_2016/src/day2/part2.rs
new file mode 100644
index 0000000..b3778be
--- /dev/null
+++ b/advent_of_code_2016/src/day2/part2.rs
@@ -0,0 +1,3 @@
+pub fn solve(input: &str) {
+    
+}
diff --git a/advent_of_code_2016/src/day2/test.txt b/advent_of_code_2016/src/day2/test.txt
new file mode 100644
index 0000000..49be97c
--- /dev/null
+++ b/advent_of_code_2016/src/day2/test.txt
@@ -0,0 +1,4 @@
+ULL
+RRDDD
+LURDL
+UUUUD
\ No newline at end of file
diff --git a/advent_of_code_2016/src/main.rs b/advent_of_code_2016/src/main.rs
index 3c394c4..28dab27 100644
--- a/advent_of_code_2016/src/main.rs
+++ b/advent_of_code_2016/src/main.rs
@@ -1,5 +1,5 @@
 use paste::paste;
 mod utility;
 
-solve_day!{1}
-// test_day!{1}
+solve_day!{2}
+//test_day!{2}