Update 484-find-permutation.js

Author: everthis

484-find-permutation.js

@@ -1,3 +1,25 @@
+/**
+ * @param {string} s
+ * @return {number[]}
+ */
+const findPermutation = function(s) {
+    const n = s.length
+    const res = Array(n + 1)
+    res[n]  = n + 1
+    for (let i = 0, len = n; i < len;) {
+        let j = i;
+        while (j < len && s.charAt(j) === 'D') {
+            j++;
+        }
+        for (let k = j - i; k >= 0; k--, j--) {
+            res[i++] = j + 1;
+        }
+    }
+    return res;
+};
+
+// another
+
 /**
  * @param {string} s
  * @return {number[]}