From 6faab62f5e0e107002a18f9eb94d77487691469d Mon Sep 17 00:00:00 2001
From: kageru <kageru@encode.moe>
Date: Fri, 13 Dec 2019 08:24:01 +0100
Subject: [PATCH] Add D13P1

---
 2019/13/Cargo.toml              | 10 ++++++++++
 2019/13/src/main.rs             | 12 ++++++++++++
 2019/intcode/src/intcomputer.rs |  8 ++++++++
 2019/intcode/src/tests.rs       |  2 --
 4 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 2019/13/Cargo.toml
 create mode 100644 2019/13/src/main.rs

diff --git a/2019/13/Cargo.toml b/2019/13/Cargo.toml
new file mode 100644
index 0000000..9cdd69f
--- /dev/null
+++ b/2019/13/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "day13"
+version = "0.1.0"
+authors = ["kageru <kageru@encode.moe>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+intcode = { path = "../intcode" }
diff --git a/2019/13/src/main.rs b/2019/13/src/main.rs
new file mode 100644
index 0000000..4f24586
--- /dev/null
+++ b/2019/13/src/main.rs
@@ -0,0 +1,12 @@
+use intcode::*;
+
+fn main() {
+    let part1 = IntComputer::new(read_input(), 0, vec![])
+        .get_all_outputs()
+        .into_iter()
+        .skip(2)
+        .step_by(3)
+        .filter(|s| s == &2)
+        .count();
+    println!("Part 1: {}", part1);
+}
diff --git a/2019/intcode/src/intcomputer.rs b/2019/intcode/src/intcomputer.rs
index 3af44b2..2f55867 100644
--- a/2019/intcode/src/intcomputer.rs
+++ b/2019/intcode/src/intcomputer.rs
@@ -42,6 +42,14 @@ impl IntComputer {
         }
     }
 
+    pub fn get_all_outputs(&mut self) -> Vec<i64> {
+        let mut outputs = Vec::new();
+        while let IntComputerResult::Output(o) = self.run() {
+            outputs.push(o);
+        }
+        outputs
+    }
+
     #[rustfmt::skip]
     fn get_next(&mut self, mode: Mode) -> i64 {
         let value = *self.tape.get(self.pos as usize).unwrap();
diff --git a/2019/intcode/src/tests.rs b/2019/intcode/src/tests.rs
index d25e8e6..48d86c0 100644
--- a/2019/intcode/src/tests.rs
+++ b/2019/intcode/src/tests.rs
@@ -41,7 +41,6 @@ fn test_find_max_with_loops() {
         ),
         Some(139629729)
     );
-    /*
     assert_eq!(
         find_max(
             5..10,
@@ -49,7 +48,6 @@ fn test_find_max_with_loops() {
         ),
         Some(18216)
     );
-    */
 }
 
 #[test]