// 41
class MinStack
{
public:
    /** initialize your data structure here. */
    int a[105], tot = 0;
    MinStack()
    {
    }
    void push(int x)
    {
        a[++tot] = x;
    }
    void pop()
    {
        tot--;
    }
    int top()
    {
        return a[tot];
    }
    int getMin()
    {
        int ans = 1e9;
        for (int i = tot; i >= 1; i--)
            ans = (a[i] < ans) ? a[i] : ans;
        return ans;
    }
};

/**
 * Your MinStack object will be instantiated and called as such:
 * MinStack obj = new MinStack();
 * obj.push(x);
 * obj.pop();
 * int param_3 = obj.top();
 * int param_4 = obj.getMin();
 */