add day 17

day17/src/main.rs

@@ -0,0 +1,22 @@
+use itertools::Itertools;
+
+fn main() {
+    let data: Vec<u64> = std::fs::read_to_string("input.txt")
+        .unwrap()
+        .lines()
+        .map(|s| s.parse().unwrap())
+        .collect();
+
+    let mut result = 0;
+    for i in 1..=20 {
+        let c = data
+            .iter()
+            .combinations(i)
+            .map(|c| c.iter().cloned().sum::<u64>())
+            .filter(|s| *s == 150)
+            .count();
+        result += c;
+        println!("{i} -> {c}");
+    }
+    println!("{result}");
+}