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    "https://leetcode.com/problems/min-stack\n",
    "\n",
    "\n",
    "Runtime: 896 ms, faster than 5.06% of C++ online submissions for Min Stack.\n",
    "Memory Usage: 16.4 MB, less than 77.37% of C++ online submissions for Min Stack.\n",
    "\n",
    "\n",
    "\n",
    "```cpp\n",
    "#include <iostream>\n",
    "#include <bits/stdc++.h>\n",
    "\n",
    "using namespace std;\n",
    "\n",
    "class MinStack {\n",
    "private:\n",
    "    vector<int> stack;\n",
    "public:\n",
    "    /** initialize your data structure here. */\n",
    "    MinStack() {\n",
    "        stack = {};\n",
    "    }\n",
    "    \n",
    "    void push(int x) {\n",
    "        stack.push_back(x);\n",
    "    }\n",
    "    \n",
    "    void pop() {\n",
    "        stack.pop_back();\n",
    "    }\n",
    "    \n",
    "    int top() {\n",
    "        return stack[stack.size()-1];\n",
    "    }\n",
    "    \n",
    "    int getMin() {\n",
    "        return *min_element(stack.begin(), stack.end());\n",
    "    }\n",
    "};\n",
    "```"
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