Whats is answer thia question

Question

#include <iostream>
using namespace std;

int main()
{
int row=4;
for(int i=1; i<=rows; ++i)
{for (int j=1; j<=i; ++j}
{
cout << j <<""endl;}
}
return=0;

}

Answer 1

i dont know the question is... but it seems that code will provide an error