View Code of Problem 11

#include<stdio.h>
#include<string.h>
int main()
{
	int n;
	int k=0;
	int x1, x2, y1, y2, z1, z2;
	while (scanf("%d",&n)!=EOF)
	{
		getchar();
		if (n == 0) break;
		printf("Case #%d:\n", ++k);
		while (n--)
		{
			x1=0, x2 = 0, y1 = 0, y2 = 0, z1 = 0, z2 = 0;
			char ch[2001];

			gets(ch);
			int len = strlen(ch);
			for (int i = 0; i < len; i++)
			{
				if (ch[i] == 'X')
				{
					x1 += (ch[i - 2] - '0');
					x2 = (ch[i + 2] - '0');
				}
				if (ch[i] == 'Y')
				{
					y1 += (ch[i - 2] - '0');
					y2 = (ch[i + 2] - '0');
				}
				if (ch[i] == 'Z')
				{
					z1 += (ch[i - 2] - '0');
					z2 = (ch[i + 2] - '0');
				}
			}
			if (x2 == 0 && x1 != 0) printf("%d", x1);
			if (x2 != 0 && x1 != 0) printf("%d * X ^ %d", x1*x2,x2-1);
			if (x1 != 0 && y1 != 0)printf(" + ");
			if (y2 == 0 && y1 != 0) printf("%d", y1);
			if (y2 != 0 && y1 != 0) printf("%d * Y ^ %d", y1*y2, y2 - 1);
			if ((z1 != 0 && y1 != 0)|| (x1 != 0 && z1 != 0))printf(" + ");
			if (z2 == 0 && z1 != 0) printf("%d", z1);
			if (z2 != 0 && z1 != 0) printf("%d * Z ^ %d", z1*z2, z2 - 1);
			printf("\n");
		}
	}
	return 0;
}