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            "title": "Combination Sum II",
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            "content": "<p>Given a collection of candidate numbers (<code>candidates</code>) and a target number (<code>target</code>), find all unique combinations in <code>candidates</code>&nbsp;where the candidate numbers sum to <code>target</code>.</p>\n\n<p>Each number in <code>candidates</code>&nbsp;may only be used <strong>once</strong> in the combination.</p>\n\n<p><strong>Note:</strong>&nbsp;The solution set must not contain duplicate combinations.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> candidates = [10,1,2,7,6,1,5], target = 8\n<strong>Output:</strong> \n[\n[1,1,6],\n[1,2,5],\n[1,7],\n[2,6]\n]\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> candidates = [2,5,2,1,2], target = 5\n<strong>Output:</strong> \n[\n[1,2,2],\n[5]\n]\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;=&nbsp;candidates.length &lt;= 100</code></li>\n\t<li><code>1 &lt;=&nbsp;candidates[i] &lt;= 50</code></li>\n\t<li><code>1 &lt;= target &lt;= 30</code></li>\n</ul>\n",
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                    "code": "class Solution(object):\n    def combinationSum2(self, candidates, target):\n        \"\"\"\n        :type candidates: List[int]\n        :type target: int\n        :rtype: List[List[int]]\n        \"\"\"\n        ",
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                    "code": "\n\n/**\n * Return an array of arrays of size *returnSize.\n * The sizes of the arrays are returned as *returnColumnSizes array.\n * Note: Both returned array and *columnSizes array must be malloced, assume caller calls free().\n */\nint** combinationSum2(int* candidates, int candidatesSize, int target, int* returnSize, int** returnColumnSizes){\n\n}",
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                    "code": "/**\n * @param {number[]} candidates\n * @param {number} target\n * @return {number[][]}\n */\nvar combinationSum2 = function(candidates, target) {\n    \n};",
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                    "code": "# @param {Integer[]} candidates\n# @param {Integer} target\n# @return {Integer[][]}\ndef combination_sum2(candidates, target)\n    \nend",
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