diff --git a/valid-anagram/DaleSeo.rs b/valid-anagram/DaleSeo.rs
new file mode 100644
index 000000000..027b82671
--- /dev/null
+++ b/valid-anagram/DaleSeo.rs
@@ -0,0 +1,19 @@
+use std::collections::HashMap;
+
+// TC: O(n)
+// SC: O(n)
+impl Solution {
+    pub fn is_anagram(s: String, t: String) -> bool {
+        let mut counter: HashMap<char, usize> = HashMap::new();
+
+        for ch in s.chars() {
+            *counter.entry(ch).or_insert(0) += 1;
+        }
+
+        for ch in t.chars() {
+            *counter.entry(ch).or_insert(0) -= 1;
+        }
+
+        return counter.values().all(|cnt| *cnt == 0)
+    }
+}