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    "https://leetcode.com/problems/distribute-candies\n",
    "\n",
    "\n",
    "Runtime: 304 ms, faster than 92.06% of C++ online submissions for Distribute Candies.\n",
    "Memory Usage: 120.2 MB, less than 29.91% of C++ online submissions for Distribute Candies.\n",
    "\n",
    "\n",
    "```cpp\n",
    "#include <vector>\n",
    "#include <algorithm>\n",
    "#include <set>\n",
    "\n",
    "using namespace std;\n",
    "\n",
    "class Solution {\n",
    "public:\n",
    "    int distributeCandies(vector<int>& candyType) {\n",
    "        set<int> set1;\n",
    "        for (int i=0; i<candyType.size(); i++) {\n",
    "            set1.insert(candyType[i]);\n",
    "        }\n",
    "        int typeNums = set1.size();\n",
    "        int eatableNums = candyType.size()/2;\n",
    "        if (typeNums <= eatableNums) {\n",
    "            return typeNums;\n",
    "        } else {\n",
    "            return eatableNums;\n",
    "        }\n",
    "    }\n",
    "};\n",
    "```"
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