66分 3#WA QWQ

#include <bits/stdc++.h>
using namespace std;
unsigned long long a[1000001],top=0,t,n,x;
string s;
int main(){
    cin>>t;
    while(t--){
        cin>>n;
        while(n--){
            cin>>s;
            top=0;
            if(s=="push"){
                cin>>x;
                a[top++]=x;
            }else if(s=="pop"){
                if(top>0)
                    top--;
                else
                    cout<<"Empty\n";
            }else if(s=="query"){
                if(top>0)
                    cout<<a[top-1]<<'\n';
                else
                    cout<<"Anguei!\n";
            }else
                cout<<top<<'\n';
        }
    }
    return 0;
}

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