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    "https://leetcode.com/problems/find-and-replace-pattern\n",
    "\n",
    "\n",
    "Runtime: 0 ms, faster than 100.00% of C++ online submissions for Find and Replace Pattern.\n",
    "Memory Usage: 8.6 MB, less than 54.27% of C++ online submissions for Find and Replace Pattern.\n",
    "\n",
    "\n",
    "```cpp\n",
    "#include <vector>\n",
    "#include <algorithm>\n",
    "#include <map>\n",
    "#include <string>\n",
    "\n",
    "\n",
    "using namespace std;\n",
    "\n",
    "class Solution {\n",
    "public:\n",
    "    vector<string> findAndReplacePattern(vector<string>& words, string pattern) {\n",
    "        //7:28\n",
    "        vector<string> results;\n",
    "        auto the_target = get_pattern(pattern);\n",
    "        for (const auto & word : words) {\n",
    "            auto target = get_pattern(word);\n",
    "            if (target == the_target) {\n",
    "                results.push_back(word);\n",
    "            }\n",
    "        }\n",
    "        return results;\n",
    "        //7:36\n",
    "    }\n",
    "    vector<int> get_pattern(string s) {\n",
    "        map<char, int> m;\n",
    "        int i = 0;\n",
    "        vector<int> list;\n",
    "        for (const auto & c : s) {\n",
    "            if (m.find(c) == m.end()) {\n",
    "                m.insert(pair<char, int>{c, i});\n",
    "                i+=1;\n",
    "            }\n",
    "            list.push_back(m[c]);\n",
    "        }\n",
    "        return list;\n",
    "    }\n",
    "};\n",
    "// made by yingshaoxo: https://github.com/yingshaoxo\n",
    "```"
   ]
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