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    "https://leetcode.com/problems/rotate-string\n",
    "\n",
    "\n",
    "\n",
    "Runtime: 136 ms, faster than 90.00% of Kotlin online submissions for Rotate String.\n",
    "Memory Usage: 34.6 MB, less than 20.00% of Kotlin online submissions for Rotate String.\n",
    "\n",
    "\n",
    "\n",
    "```kotlin\n",
    "class Solution {\n",
    "    fun rotateString(A: String, B: String): Boolean {\n",
    "        if (A == \"\" && B == \"\") {\n",
    "            return true;\n",
    "        }\n",
    "        if (A.length != B.length) {\n",
    "            return false;\n",
    "        }\n",
    "\n",
    "        var A = A\n",
    "        for ((i, _) in A.withIndex()) {\n",
    "            A = A.substring(1, A.length) + A.substring(0, 1)\n",
    "            if (A.equals(B)) {\n",
    "                return true;\n",
    "            }\n",
    "        }\n",
    "        return false;\n",
    "    }\n",
    "}\n",
    "\n",
    "fun main(args: Array<String>) {\n",
    "    var s = Solution()\n",
    "    println(s.rotateString(\"abc\", \"bca\"))\n",
    "}\n",
    "\n",
    "```\n"
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