aoc2021 day 01

.gitignore

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+/target
+.idea

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "aoc2021"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "aoc2021"
+version = "0.1.0"
+edition = "2021"
+authors = ["Dan Ballard <dan@mindstab.net>"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

README.md

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+`cargo t dayxx -- --nocapture`

src/day01.rs

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+
+fn parse_input(input: &str) -> Vec<i32> {
+    input.lines().filter_map(|n| n.parse::<i32>().ok()).collect()
+}
+
+fn count_up(input: Vec<i32>) -> usize {
+    input.windows(2).filter(|w| w[1]> w[0] ).count()
+}
+
+fn count_up_window(input: Vec<i32>) -> usize {
+    input.windows(3).map(|w| w.iter().sum()).collect::<Vec<i32>>().windows(2).filter(|w| w[1] > w[0]).count()
+}
+
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn part_1() {
+        println!("Part 1 Solution: {}", count_up(parse_input(include_str!("../input/day01.txt"))));
+    }
+
+    #[test]
+    fn part_2() {
+        println!("Part 2 Solution: {}", count_up_window(parse_input(include_str!("../input/day01.txt"))));
+    }
+}

src/lib.rs

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+pub mod day01;