View Code of Problem 10

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

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