1 files changed, 12 insertions, 0 deletions

diff --git a/2022/07/a.rs b/2022/07/a.rs
new file mode 100644
index 0000000..a0d9a1a
--- /dev/null
+++ b/2022/07/a.rs
@@ -0,0 +1,12 @@
+mod common;
+use common::*;
+
+fn main() {
+    let fs = FileSystem::build_from_stdin();
+    let sum: usize = fs.iter()
+        .filter(|f| matches!(f.kind, FileType::Directory(_)))
+        .map(|f| f.real_size(&fs))
+        .filter(|s| *s <= 100000)
+        .sum();
+    println!("{sum}");
+}