Create 2068-check-whether-two-strings-are-almost-equivalent.js

Author: everthis

2068-check-whether-two-strings-are-almost-equivalent.js

@@ -0,0 +1,21 @@
+/**
+ * @param {string} word1
+ * @param {string} word2
+ * @return {boolean}
+ */
+const checkAlmostEquivalent = function(word1, word2) {
+  const a = 'a'.charCodeAt(0), n = word1.length
+  const arr1 = Array(26).fill(0), arr2 = Array(26).fill(0)
+  
+  for(const ch of word1) {
+    arr1[ch.charCodeAt(0) - a]++
+  }
+  for(const ch of word2) {
+    arr2[ch.charCodeAt(0) - a]++
+  }
+  for(let i = 0; i < 26; i++) {
+    if(Math.abs(arr1[i] - arr2[i]) > 3) return false
+  }
+  
+  return true
+};