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#include <iostream>
using namespace std;
#define COUT(i) cout << i++ << " ";
#define LEVEL(N) N N N N N N N N N N
#define PRINT(i) LEVEL(LEVEL(COUT(i))); // 100 = 10×10
int main()
{
int i = 1;
// prints numbers from 1 to 100
PRINT(i);
return 0;
}