1 files changed, 13 insertions, 0 deletions

diff --git a/2022/07/b.rs b/2022/07/b.rs
new file mode 100644
index 0000000..92bedc7
--- /dev/null
+++ b/2022/07/b.rs
@@ -0,0 +1,13 @@
+mod common;
+use common::*;
+
+fn main() {
+    let fs = FileSystem::build_from_stdin();
+    let remaining = 70000000 - fs[0].real_size(&fs);
+    let ds: usize = fs.iter()
+        .filter(|f| matches!(f.kind, FileType::Directory(_)))
+        .map(|f| f.real_size(&fs))
+        .filter(|s| *s + remaining >= 30000000)
+        .min().unwrap();
+    println!("{ds}");
+}