diff --git a/771_jewels_and_stones/Cargo.lock b/771_jewels_and_stones/Cargo.lock
new file mode 100644
index 0000000..6824756
--- /dev/null
+++ b/771_jewels_and_stones/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "jewels_and_stones"
+version = "0.1.0"
diff --git a/771_jewels_and_stones/Cargo.toml b/771_jewels_and_stones/Cargo.toml
new file mode 100644
index 0000000..877d2ad
--- /dev/null
+++ b/771_jewels_and_stones/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "jewels_and_stones"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/771_jewels_and_stones/src/lib.rs b/771_jewels_and_stones/src/lib.rs
new file mode 100644
index 0000000..e2fa66a
--- /dev/null
+++ b/771_jewels_and_stones/src/lib.rs
@@ -0,0 +1,18 @@
+use std::collections::HashSet;
+
+pub struct Solution;
+
+impl Solution {
+    pub fn num_jewels_in_stones(jewels: String, stones: String) -> i32 {
+        let jewels: HashSet<char> = HashSet::from_iter(jewels.chars());
+        let mut result = 0;
+
+        for stone in stones.chars() {
+            if jewels.contains(&stone) {
+                result += 1;
+            }
+        }
+
+        result
+    }
+}