/*

y总搬运工

*/
class Solution {
public:
bool isPopOrder(vector[HTML_REMOVED] pushV,vector[HTML_REMOVED] popV) {
if(pushV.size()!=popV.size()) return false;

    stack<int> stk;
    int i=0;

    for(auto x:pushV){
        stk.push(x);
        while(stk.size()&&stk.top()==popV[i]){
            stk.pop();
            i++;
        }
    }

    return stk.empty();
}

};