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diff --git a/README.md b/README.md
index 1c4bf5d..32dd4d4 100644
--- a/README.md
+++ b/README.md
@@ -21,3 +21,26 @@ todo
 ## Usage
 
 todo
+
+
+# Progress
+
+## Naive
+
+* [x] Searching
+* [x] Insertion
+* [ ] Deletion
+
+
+## Flat-sequential
+
+* [ ] Searching
+* [ ] Insertion
+* [ ] Deletion
+
+
+## Parallel
+
+* [ ] Searching
+* [ ] Insertion
+* [ ] Deletion