pku1013.cpp

这是ACM 方面的资料 是PKU的 北京大学的出来的

#include <stdio.h>

int abs(int a)
{
	if (a > 0)
	{
		return a;
	}
	else
	{
		return -a;
	}
}

int main()
{
	char c1[10], c2[10], c3[5];
	int status[12][2], t, i, j, maxid, max;
	scanf("%d", &t);
	while (t--)
	{
		for (i = 0; i < 12; i++)
		{
			status[i][0] = status[i][1] = 0;
		}

		for (i = 0; i < 3; i++)
		{
			scanf("%s %s %s", c1, c2, c3);

			if (c3[0] == 'e')
			{
				for (j = 0; c1[j] != '\0'; j++)
				{
					status[c1[j] - 'A'][0] = 1; 
					status[c2[j] - 'A'][0] = 1; 
				}
			}
			if (c3[0] == 'u')
			{
				for (j = 0; c1[j] != '\0'; j++)
				{
					status[c1[j] - 'A'][1] ++;
					status[c2[j] - 'A'][1] --;
				}
			}
			if (c3[0] == 'd')
			{
				for (j = 0; c1[j] != '\0'; j++)
				{
					status[c1[j] - 'A'][1] --;
					status[c2[j] - 'A'][1] ++;
				}
			}
		}

		for (i = 0; i < 12; i++)
		{
			if (status[i][0] == 1)
			{
				status[i][1] = 0;
			}
		}

		for (i = 0, max = 0, maxid = 0; i < 12; i++)
		{
			if (abs(status[i][1]) > max)
			{
				max = abs(status[i][1]);
				maxid = i;
			}
		}

		printf("%c is the counterfeit coin and it is ", 'A' + maxid);

		if (status[maxid][1] > 0)
		{
			printf("heavy.\n");
		}
		else
		{
			printf("light.\n");
		}
	}
	return 0;
}