1 files changed, 18 insertions, 0 deletions

diff --git a/2022/01/common.rs b/2022/01/common.rs
new file mode 100644
index 0000000..8ed8b49
--- /dev/null
+++ b/2022/01/common.rs
@@ -0,0 +1,18 @@
+pub fn get_elves_from_stdin() -> Vec<Vec<i64>> {
+    let mut e = Vec::<Vec::<i64>>::new();
+    e.push(Vec::<i64>::new());
+    let mut line = String::new();
+    loop {
+        match std::io::stdin().read_line(&mut line).unwrap() {
+            0 => break,
+            1 => e.push(Vec::<i64>::new()),
+            _ => {
+                let n = line.trim().parse::<i64>().unwrap();
+                let last = e.len() - 1;
+                e[last].push(n);
+            }
+        }
+        line.clear();
+    }
+    e
+}