using System;
public class Program
{
private static void BinaryNumbersRightTriangle(int rows)
{
int bin = 1;
for (int i = 0; i < rows; i++) {
for (int j = 0; j <= i; j++) {
Console.Write(bin);
Console.Write(" ");
bin = (bin == 1) ? 0 : 1;
}
bin = i % 2;
Console.Write("\n");
}
}
public static void Main(string[] args)
{
BinaryNumbersRightTriangle(7);
}
}
/*
run:
1
0 1
1 0 1
0 1 0 1
1 0 1 0 1
0 1 0 1 0 1
1 0 1 0 1 0 1
*/