add day 3 claude solution

day03/src/main.rs

@@ -34,6 +34,29 @@ fn main() {
         .collect();
 
     part1(&data);
+
+    part2_claude(binding);
+}
+
+fn part2_claude(input: String) {
+    let result = input
+        .lines()
+        .map(parse_triple)
+        .tuples()
+        .flat_map(|((a0, a1, a2), (b0, b1, b2), (c0, c1, c2))| {
+            [(a0, b0, c0), (a1, b1, c1), (a2, b2, c2)]
+        })
+        .filter(|(a, b, c)| a + b > *c && a + c > *b && b + c > *a)
+        .count();
+
+    println!("{result}");
+}
+
+fn parse_triple(line: &str) -> (usize, usize, usize) {
+    line.split_whitespace()
+        .map(|s| s.parse().unwrap())
+        .next_tuple()
+        .unwrap()
 }
 
 fn part1(data: &[Vec<usize>]) {