ankjevel
diff --git a/‎README.md
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diff --git a/‎day01/src/part_01.rs
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diff --git a/‎day_01/Cargo.toml
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diff --git a/‎day01/src/main.rs renamed to ‎day_01/src/main.rs
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diff --git a/‎day_01/src/part_01.rs
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diff --git a/‎day01/src/part_02.rs renamed to ‎day_01/src/part_02.rs b/‎day01/src/part_02.rs renamed to ‎day_01/src/part_02.rs
diff --git a/‎day02/Cargo.toml renamed to ‎day_02/Cargo.toml
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diff --git a/‎day02/src/main.rs renamed to ‎day_02/src/main.rs b/‎day02/src/main.rs renamed to ‎day_02/src/main.rs
diff --git a/‎day03/Cargo.toml renamed to ‎day_03/Cargo.toml
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diff --git a/‎day03/src/main.rs renamed to ‎day_03/src/main.rs
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@@ -3,5 +3,7 @@
 
 ## Progress:
 
-- [Day 1](https://github.com/ankjevel/adventofcode/tree/2019/day01) 🌟 🌟
-- [Day 2](https://github.com/ankjevel/adventofcode/tree/2019/day02) 🌟 🌟
+- [Day 1](https://github.com/ankjevel/adventofcode/tree/2019/day_01) 🌟 🌟
+- [Day 2](https://github.com/ankjevel/adventofcode/tree/2019/day_02) 🌟 🌟
+- [Day 3](https://github.com/ankjevel/adventofcode/tree/2019/day_03) 🌟 🌟
+- [Day 4](https://github.com/ankjevel/adventofcode/tree/2019/day_04) 🌟 🌟
@@ -0,0 +1,6 @@
+[package]
+name = "day01"
+version = "0.1.0"
+authors = ["Dennis Pettersson <mail@dennispettersson.se>"]
+
+[dependencies]
@@ -9,8 +9,8 @@ fn main() -> io::Result<()> {
     let part_01_fuel = part_01::main(&input).unwrap().iter().sum::<i32>();
     let part_02_sum_of_fuel = part_02::main(&input).unwrap();
 
-    println!("part 1; fuel: {}", part_01_fuel);
-    println!("part 2; sum: {}", part_02_sum_of_fuel);
+    println!("part 1: {}", part_01_fuel);
+    println!("part 2: {}", part_02_sum_of_fuel);
 
     Ok(())
 }
 
@@ -0,0 +1,7 @@
+use std::io;
+
+pub fn main(input: &Vec<i32>) -> io::Result<Vec<i32>> {
+    Ok(input.iter()
+        .map(|&mass| ((mass.clone() as f64 / 3.0).floor() as i32) - 2)
+        .collect())
+}
@@ -2,8 +2,5 @@
 name = "day02"
 version = "0.1.0"
 authors = ["Dennis Pettersson <mail@dennispettersson.se>"]
-edition = "2018"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
@@ -2,8 +2,5 @@
 name = "day03"
 version = "0.1.0"
 authors = ["Dennis Pettersson <mail@dennispettersson.se>"]
-edition = "2018"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
@@ -17,8 +17,8 @@ pub use structs::Point;
 fn main() -> Result<()> {
     let wires = parse_input(include_str!("../../input/day_03"));
 
-    println!("part_01: {:?}", part_01(&wires).unwrap());
-    println!("part_02: {:?}", part_02(&wires).unwrap());
+    println!("part_01: {}", part_01(&wires).unwrap());
+    println!("part_02: {}", part_02(&wires).unwrap());
 
     Ok(())
 }
Original file line number	Diff line number	Diff line change
`@@ -9,8 +9,8 @@ fn main() -> io::Result<()> {`
`9`	`9`	`let part_01_fuel = part_01::main(&input).unwrap().iter().sum::<i32>();`
`10`	`10`	`let part_02_sum_of_fuel = part_02::main(&input).unwrap();`
`11`	`11`
`12`		`- println!("part 1; fuel: {}", part_01_fuel);`
`13`		`- println!("part 2; sum: {}", part_02_sum_of_fuel);`
	`12`	`+ println!("part 1: {}", part_01_fuel);`
	`13`	`+ println!("part 2: {}", part_02_sum_of_fuel);`
`14`	`14`
`15`	`15`	`Ok(())`
`16`	`16`	`}`
Original file line number	Diff line number	Diff line change
`@@ -17,8 +17,8 @@ pub use structs::Point;`
`17`	`17`	`fn main() -> Result<()> {`
`18`	`18`	`let wires = parse_input(include_str!("../../input/day_03"));`
`19`	`19`
`20`		`- println!("part_01: {:?}", part_01(&wires).unwrap());`
`21`		`- println!("part_02: {:?}", part_02(&wires).unwrap());`
	`20`	`+ println!("part_01: {}", part_01(&wires).unwrap());`
	`21`	`+ println!("part_02: {}", part_02(&wires).unwrap());`
`22`	`22`
`23`	`23`	`Ok(())`
`24`	`24`	`}`