feat: 恢复空格

Author: sl1673495

动态规划/恢复空格-面试题 17.13.js

@@ -0,0 +1,19 @@
+/**
+ * @param {string[]} dictionary
+ * @param {string} sentence
+ * @return {number}
+ */
+let respace = function (dictionary, sentence) {
+  let n = sentence.length
+  let dp = [0]
+  for (let i = 1; i <= n; i++) {
+    let min = dp[i - 1] + 1
+    for (let word of dictionary) {
+      if (sentence.substring(i - word.length, i) === word) {
+        min = Math.min(min, dp[i - word.length])
+      }
+    }
+    dp[i] = min
+  }
+  return dp[n]
+}