Create 1487. 保证文件名唯一.js

Author: yinxin630

1487. 保证文件名唯一.js

@@ -0,0 +1,25 @@
+/**
+ * @param {string[]} names
+ * @return {string[]}
+ */
+var getFolderNames = function (names) {
+  const result = [];
+  const map = {};
+  for (const name of names) {
+    if (map[name]) {
+      do {
+        const renamed = name + `(${map[name]})`;
+        if (!map[renamed]) {
+          map[renamed] = 1;
+          result.push(renamed);
+          break;
+        }
+        map[name]++;
+      } while (true);
+    } else {
+      map[name] = 1;
+      result.push(name);
+    }
+  }
+  return result;
+};