Run error in test case 1...while oher two test cases succesfully passed

#1

#include
#include
using namespace std;
int main () {
int q,k=-1;
vector a;
cin>>q;
for(int i=0;i<q;i++)
{
int n;
cin>>n;
if(n==1)
{
if(k==-1)
{
cout<<“No Code”<<endl; }
else{

        cout<<a[k]<<endl;
		a.erase(a.begin()+k-1,a.end());
		--k;
	}
	}
	if(n==2)
	{
      int m;
	  cin>>m;
	  a.push_back(m);
	  ++k;
	}
}
return 0;

}

#2

@saleem_ahmed
I have fixed your code.There was a mistake while calling the erase function. for simplicity use pop_back().

#3

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