poj：1013偽造ドル

1013

#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
char Left[3][10],Right[3][10],result[3][10];
bool fake(char c,bool light)
{
    
    
	for(int i=0;i<3;i++)
	{
    
    
		char *pleft=Left[i],*pright=Right[i];
		if(!light) swap(pleft,pright);
		switch (result[i][0])
		{
    
    
			case 'u':
				if(!strchr(pright,c))
					return false;
				break;
			case 'e':
				if(strchr(pright,c)||strchr(pleft,c))
					return false;
				break;
			case 'd':
				if(!strchr(pleft,c))
					return false;
				break;
		}
	}
	return true;
}
int main()
{
    
    
	int k;cin>>k;
	while(k--)
	{
    
    
		for(int i=0;i<3;i++)	cin>>Left[i]>>Right[i]>>result[i];
		for(char c='A';c<='L';c++)
		{
    
    
			if(fake(c,true))
				{
    
    
				printf("%c is the counterfeit coin and it is light.\n",c);
				break;
				}
			else if(fake(c,false))
				{
    
    
				printf("%c is the counterfeit coin and it is heavy.\n",c);
				break;
				}
		}
	}
}