> #include<stdio.h>
> #include<string.h>
> #define MAXSIZE 6
> typedef struct
> {
> 	int trcoin;
> 	int light;
> 	int heavy;
> }Coin;
> int value(char result[])
> {
> 	if(strcmp("even",result)==0) return 0;
> 	if(strcmp("up",result)==0) return 1;
> 	return 2;
> }
> void hand(char left[],char right[],int value,Coin coin[])
> {
> 	unsigned int i;
> 	if(value==0)
> 	{
> 		for(i=0;i<strlen(left);i++)
> 		{
> 			coin[left[i]-65].trcoin=1;
> 		}
> 		for(i=0;i<strlen(right);i++)
> 		{
> 			coin[right[i]-65].trcoin=1;
> 		}
> 	}
> 	else if(value==1)
> 	{
> 		for(i=0;i<strlen(left);i++)
> 		{
> 			coin[left[i]-65].heavy++;
> 		}
> 		for(i=0;i<strlen(right);i++)
> 		{
> 			coin[right[i]-65].light++;
> 		}
> 	}
> 	else
> 	{
> 		for(i=0;i<strlen(left);i++)
> 		{
> 			coin[left[i]-65].light++;
> 		}
> 		for(i=0;i<strlen(right);i++)
> 		{
> 			coin[right[i]-65].heavy++;
> 		}
> 	}
> }
> int main(void)
> {
> 	Coin coin[12]={{0,0,0},{0,0,0},{0,0,0},{0,0,0},{0,0,0},{0,0,0},{0,0,0},{0,0,0},{0,0,0},{0,0,0},{0,0,0},{0,0,0}};
> 	int n,i,count,pos,max;
> 	char left[MAXSIZE*2],right[MAXSIZE*2];
> 	char result[MAXSIZE];
> 	scanf("%d",&n);
> 	while(n--)
> 	{
> 		max=0;
> 		memset(coin,0,sizeof(coin));
> 		for(i=0;i<3;i++)
> 		{
> 			scanf("%s%s%s",left,right,result);
> 			hand(left,right,value(result),coin);
> 		}
> 		for(i=0;i<12;i++)
> 		{
> 			if(!(coin[i].trcoin || (coin[i].heavy>0 && coin[i].light>0)))
> 			{
> 				if(coin[i].light>max)
> 				{
> 					pos=i;
> 					max=coin[i].light;
> 				}
> 				else if(coin[i].heavy>max)
> 				{
> 					pos=i;
> 					max=coin[i].heavy;
> 				}
> 			}
> 		}
> 		if(coin[pos].light>0) printf("%c is the counterfeit coin and it is light.\n",pos+65);
> 		else printf("%c is the counterfeit coin and it is heavy.\n",pos+65);
> 	}
> 	return 0;
> }