diff --git a/Cargo.toml b/Cargo.toml
index bb43eac5..85344ae0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,8 @@ name = "cargotest"
 version = "0.1.0"
 edition = "2021"
 
+[lib]
+path = "exercises/lib.rs"
 
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
diff --git a/exercises/easy/mod.rs b/exercises/easy/mod.rs
new file mode 100644
index 00000000..a540830e
--- /dev/null
+++ b/exercises/easy/mod.rs
@@ -0,0 +1,20 @@
+mod algorithm1;
+mod algorithm10;
+mod algorithm11;
+mod algorithm12;
+mod algorithm13;
+mod algorithm14;
+mod algorithm15;
+mod algorithm16;
+mod algorithm17;
+mod algorithm18;
+mod algorithm19;
+mod algorithm2;
+mod algorithm20;
+mod algorithm3;
+mod algorithm4;
+mod algorithm5;
+mod algorithm6;
+mod algorithm7;
+mod algorithm8;
+mod algorithm9;
diff --git a/exercises/lib.rs b/exercises/lib.rs
new file mode 100644
index 00000000..ee9cf039
--- /dev/null
+++ b/exercises/lib.rs
@@ -0,0 +1 @@
+mod easy;