#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
int j = 2;
int &i = j;
if(i==j)
puts(" i==j ");
else
puts(" i!=j ");
if(&i==&j)
puts(" &i==&j ");
else
puts(" &i!=&j ");
return 0;
}
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