Same Named Variable

#include <iostream>
using namespace std;

// your code here: declare namespace A with int threshold=50
// your code here: declare namespace B with int threshold=75
namespace A
{
    int threshold=50;
}
namespace B
{
    int threshold=75;
}
int main() {
    cout << "A.threshold=" << A::threshold << "\n";
    cout << "B.threshold=" << B::threshold << "\n";
    return 0;
}