Create 3137-minimum-number-of-operations-to-make-word-k-periodic.js

Author: everthis

3137-minimum-number-of-operations-to-make-word-k-periodic.js

@@ -0,0 +1,16 @@
+/**
+ * @param {string} word
+ * @param {number} k
+ * @return {number}
+ */
+var minimumOperationsToMakeKPeriodic = function (word, k) {
+  const n = Math.floor(word.length / k)
+  const map = new Map()
+
+  for (let i = 0; i < word.length; i += k) {
+    const sub = word.substring(i, i + k)
+    map.set(sub, (map.get(sub) || 0) + 1)
+  }
+
+  return n - Math.max(...map.values())
+}