feat(每日打卡): ✨利用哈希表解决 820

Author: descire

one-question-per-day/20200328/solution1.js

@@ -0,0 +1,32 @@
+/**
+ * https://leetcode-cn.com/problems/short-encoding-of-words/
+ * 
+ * 820. 单词的压缩编码
+ * 
+ * Medium
+ * 
+ * 96ms 89.47%
+ * 43mb 100.00%
+ * 
+ * 1、哈希表
+ * 2、后缀
+ */
+const minimumLengthEncoding = words => {
+  const record = new Set();
+
+  for (let i = 0; i < words.length; i++) {
+    record.add(words[i]);
+  }
+
+  for (const values of record.values()) {
+    for (let i = 1; i < values.length; i++) {
+      record.delete(values.slice(i));
+    }
+  }
+
+  let ans = 0;
+  for (const values of record.values()) {
+    ans += values.length + 1;
+  }
+  return ans;
+}