#include <iostream>
using namespace std;
struct key
{
int x;
int y;
};
struct myClass
{
key theKeys[9];
void setup();
};
void myClass::setup()
{
for (int i = 0; i < 9; i++)
{
theKeys[i].x = i;
theKeys[i].y = i - 1;
cout << theKeys[i].x << " " << theKeys[i].y << endl;
}
}
int main()
{
myClass x;
x.setup();
}
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