From 813ef23a27ca4b4cc708dbf21bdbcf39d186118c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Gr=C3=A9gory=20Burri?= <gregory.burri@matisa.ch>
Date: Mon, 9 Dec 2019 07:37:03 +0100
Subject: [PATCH] Beginning of day 5

---
 src/day02.rs |  6 +++---
 src/day05.rs | 33 +++++++++++++++++++++++++++++++++
 src/main.rs  |  1 +
 3 files changed, 37 insertions(+), 3 deletions(-)
 create mode 100644 src/day05.rs

diff --git a/src/day02.rs b/src/day02.rs
index 9db5379..81dfaaf 100644
--- a/src/day02.rs
+++ b/src/day02.rs
@@ -1,10 +1,10 @@
-pub fn execute_op_code_with_state_fixed(code : &mut [i32]) -> i32 {
+pub fn execute_op_code_with_state_fixed(code: &mut [i32]) -> i32 {
     code[1] = 12;
     code[2] = 2;
     execute_op_code(code)
 }
 
-fn execute_op_code(code : &mut [i32]) -> i32 {
+fn execute_op_code(code: &mut [i32]) -> i32 {
     let mut cursor = 0;
     loop {
         match code[cursor] {
@@ -17,7 +17,7 @@ fn execute_op_code(code : &mut [i32]) -> i32 {
     }
 }
 
-pub fn find_noun_and_verb(code : &[i32]) -> i32 {
+pub fn find_noun_and_verb(code: &[i32]) -> i32 {
     loop {
         for verb in 0..=99 {
             for noun in 0..=99 {
diff --git a/src/day05.rs b/src/day05.rs
new file mode 100644
index 0000000..1ff5739
--- /dev/null
+++ b/src/day05.rs
@@ -0,0 +1,33 @@
+fn read_code(code: i32) -> (i32, Vec<bool>) {
+
+}
+
+fn execute_op_code(code: &mut [i32], input: &[i32]) -> Vec<i32> {
+    let mut cursor = 0;
+    let mut output = Vec::<i32>::new();
+    loop {
+        match code[cursor] {
+            1 => code[code[cursor + 3] as usize] = code[code[cursor + 1] as usize] + code[code[cursor + 2] as usize],
+            2 => code[code[cursor + 3] as usize] = code[code[cursor + 1] as usize] * code[code[cursor + 2] as usize],
+            99 => return code[0],
+            _ => panic!("Unkown code: {}", code[cursor])
+        }
+        cursor += 4;
+    }
+}
+
+
+
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn part1() {
+    }
+
+    #[test]
+    fn part2() {
+    }
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index b508728..f00a372 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,6 +5,7 @@ use std::time::Instant;
 mod day01;
 mod day02;
 mod day03;
+mod day05;
 mod common;
 
 fn day01() -> String {
-- 
2.45.2