946. Validate Stack Sequences验证栈序列

网址：https://leetcode.com/problems/validate-stack-sequences/

参考：https://leetcode.com/problems/validate-stack-sequences/discuss/197667/Java-straight-forward-stack-solution.

模拟过程

class Solution {
public:
    bool validateStackSequences(vector<int>& pushed, vector<int>& popped)
    {
        stack<int> temp;
        int i = 0;
        for(int num : pushed)
        {
            temp.push(num);
            while(!temp.empty() && temp.top() == popped[i])
            {
                temp.pop();
                i++;
            }
        }
        return temp.empty();
    }
};