View Code of Problem 10

#include <stdio.h>
int main()
{
	int n,i,j,z[4],temp;
	scanf("%d",&n);
	while (n--)
	{
		scanf("%d %d %d %d",&z[0],&z[1],&z[2],&z[3]);
		if (z[0] == z[1])
		{
			z[0] = 0;
			z[1]*=2;
		}
		if (z[1] == z[2])
		{
			z[1] = 0;
			z[2]*=2;
		}
		if (z[2] == z[3])
		{
			z[2] = 0;
			z[3]*=2;
		}
		for (j = 0;j < 4;j++)
		{
			for (i = 3;i > 0;i--)
			{
				if (z[i] == 0 && z[i-1] != 0)
				{
					temp = z[i];
					z[i] = z[i-1];
					z[i-1] = temp;
				}
			}
		}
		printf("%d %d %d %d\n",z[0],z[1],z[2],z[3]);
	}
    return 0;
}

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