题解

#include<bits/stdc++.h>
using namespace std;
int a,b[101];    
int main(){
    cin>>a;
    for(int i=1;i<=a;i++)cin>>b[i];
    for(int i=a;i>=1;i--)cout<<"=====stk.size["<<i<<"]======\n     stk.pop["<<b[i]<<"]\n";
    return 0;
}