#include
#include
using namespace std;
int main () {
int n;
cin>>n;
stack<int> s;
while(n--)
{
int k;
cin>>k;
if(k==1)
{ if(!s.empty())
{
cout<<s.top()<<endl;
s.pop();
}
// else
// cout<<endl;
}
else if(k==2)
{
int t;
cin>>t;
s.push(t);
}
}
return 0;
}
If stack is empty, you have to display “No Code”. This is mentioned in the question. Read it carefully.
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