hdu 1482 Counterfeit Dollar

简单枚举。做的有点累了，刷刷水题，找点信心

#include<iostream>using namespace std;#include<cstring>char let[3][7],rit[3][7],ret[3][7];bool isLight(char x){int i;for(i=0;i<3;i++)switch(ret[i][0]){case 'u':if(strchr(rit[i],x)==NULL)return false;break;case 'e':if(strchr(rit[i],x)!=NULL||strchr(let[i],x)!=NULL)return false;break;case 'd':if(strchr(let[i],x)==NULL)return false;break;}return true;}bool isHeavy(char x){int i;for(i=0;i<3;i++)switch(ret[i][0]){case 'u':if(strchr(let[i],x)==NULL)return false;break;case 'e':if(strchr(let[i],x)!=NULL||strchr(rit[i],x)!=NULL)return false;break;case 'd':if(strchr(rit[i],x)==NULL)return false;break;}return true;}int main(){int n;scanf("%d",&n);while(n--){for(int i=0;i<3;i++)scanf("%s%s%s",let[i],rit[i],ret[i]);for(char j='A';j<='L';j++){if(isLight(j)){printf("%c is the counterfeit coin and it is light./n",j);break;}if(isHeavy(j)){printf("%c is the counterfeit coin and it is heavy./n",j);break;}}}return 0;}