没有使用LCS,画蛇添足了一步导致找了一晚上错误,难道我的RP又欠费了?
#include<iostream>
#include<cstring>
#include<cstdio>
using namespace std;
int main(){
char s1[1005],s2[1005];
bool map[30][30];
int t,m;
int len1,len2;
char t1[3],t2[3];
int i,j,icase=1;
scanf("%d",&t);
while(icase<=t){
memset(map,0,sizeof(map));
scanf("%s%s",s1,s2);
len1=strlen(s1);
len2=strlen(s2);
scanf("%d",&m);
while(m--){
scanf("%s%s",t1,t2);
map[t1[0]-'a'][t2[0]-'a']=1; //这是hash?刚学会用
}
i=0;j=0;
while(i<len1&&j<len2){
if(s1[i]==s2[j]){
i++;j++;
continue;
}
else{
if(map[s2[j]-'a'][s1[i]-'a']){
i++;j++;
continue;
}
}
j++;
}
if(i==len1) printf("Case #%d: happy\n",icase++);
else printf("Case #%d: unhappy\n",icase++);
}
return 0;
}