Create 1461-check-if-a-string-contains-all-binary-codes-of-size-k.js

Author: everthis

1461-check-if-a-string-contains-all-binary-codes-of-size-k.js

@@ -0,0 +1,14 @@
+/**
+ * @param {string} s
+ * @param {number} k
+ * @return {boolean}
+ */
+const hasAllCodes = function (s, k) {
+  if (s.length < k) return false
+  const set = new Set()
+  for (let i = 0; i <= s.length - k; i++) {
+    set.add(s.slice(i, i + k))
+  }
+
+  return set.size == Math.pow(2, k)
+}