initial commit

2021/src/bin/01-sonar-sweep.rs

@@ -0,0 +1,20 @@
+#![allow(dead_code, unused_imports)]
+use anyhow::Result;
+use itertools::Itertools;
+
+use std::{io::{stdin, Read}, str::FromStr};
+
+fn descending_window(size: usize) -> Result<usize> {
+    Ok(aoc::read_one_per_line::<u32>("./data/1.depths")?
+        .windows(size)
+        .filter(|win| win[0] < win[size - 1])
+        .collect_vec()
+        .len())
+}
+
+fn main() -> Result<()> {
+    println!("Part 1: {}", descending_window(2)?);
+    println!("Part 2: {}", descending_window(4)?);
+
+    Ok(())
+}