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    "https://leetcode.com/problems/path-sum-ii\n",
    "\n",
    "\n",
    "\n",
    "Wrong Answer\n",
    "\n",
    "\n",
    "\n",
    "```go\n",
    "/**\n",
    " * Definition for a binary tree node.\n",
    " * type TreeNode struct {\n",
    " *     Val int\n",
    " *     Left *TreeNode\n",
    " *     Right *TreeNode\n",
    " * }\n",
    " */\n",
    " \n",
    "import (\n",
    "    \"fmt\"\n",
    ")\n",
    "\n",
    "\n",
    "var target int\n",
    "var paths [][]int\n",
    "\n",
    "\n",
    "func mySum(array []int) int {\n",
    "\tresult := 0\n",
    "\tfor _, v := range array {\n",
    "\t\tresult += v\n",
    "\t}\n",
    "\treturn result\n",
    "}\n",
    "\n",
    "func travel(node *TreeNode, l []int) {\n",
    "\tif node == nil {\n",
    "\t\treturn\n",
    "\t} else {\n",
    "\t\tl = append(l, node.Val)\n",
    "        if (node.Left == nil) && (node.Right == nil) {\n",
    "\t\t\tif mySum(l) == target {\n",
    "                paths = append(paths, l[:])\n",
    "                fmt.Printf(\"%v \\n\", l)\n",
    "            }\n",
    "        }\n",
    "        length := len(l)\n",
    "        travel(node.Left, l[:])\n",
    "        travel(node.Right, l[:length])\n",
    "\t}\n",
    "}\n",
    "\n",
    "func pathSum(root *TreeNode, sum int) [][]int {\n",
    "    paths = make([][]int, 0)\n",
    "\ttarget = sum\n",
    "    travel(root, make([]int, 0))\n",
    "    return paths\n",
    "}\n",
    "```\n",
    "\n",
    "\n",
    "I think leetcode has a bug around somewhere."
   ]
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