P177 test 6-3 UVa536

 //P177 test 6-3
 #include<cstdio>
 #include<cstring>
 using namespace std;
 +],s2[+];

 int rebuild(int L1,int R1,int L2,int R2){
     ;
     char root = s1[L1];
     ;
     while(root != s2[p])p++;
     int cnt = p - L2;
     rebuild(L1 + ,L1 + cnt,L2,p-);
     rebuild(L1 + cnt +,R1,p+,R2);
     printf("%c",root);
 }
 int main(){
     ){
         int len = strlen(s1);
         rebuild(,len-,,len-);
         printf("\n");
     }
     ;
 }