usaco letter game

这个代码是我转的，我自己写了好几次不是这里出错就是那里出错我实在受不了了。

/*   
ID: jinbo wu  
LANG: C++    
TASK: lgame 
*/        
#include<iostream>        
#include<istream>    
#include<stdio.h>       
#include<string.h>        
#include<math.h>        
#include<stack>  
#include<map>  
#include<algorithm>        
#include<queue>     
#define oo 1000000000    
#define ll long long    
#define pi (atan(2)+atan(0.5))*2   
using namespace std;    
struct node  
{  
      int s[26];        
}h,p,q;  
int w[26]={2,5,4,4,1,6,5,5,1,7,6,3,5,2,3,5,7,2,1,2,4,6,6,7,5,7};  
int l,num,m,len[40000],M[40000],temp,ansnum,MaxM;  
char s[10],dict[40000][9],ans[501][10];   
void Find2(int z)  
{  
      int i,j;  
      for (i=z+1;i<=num;i++)  
      if (M[i]<=m)  
      {  
            q=p;  
            for (j=0;j<len[i];j++)  
              if (!q.s[dict[i][j]-'a']) goto B;  
                 else q.s[dict[i][j]-'a']--;     
            if (M[i]+M[temp]>MaxM)  
            {  
                   MaxM=M[i]+M[temp];  
                   ansnum=1;  
                   strcpy(ans[1],dict[temp]);  
                   ans[1][len[temp]]=' ';  
                   strcpy(ans[1]+len[temp]+1,dict[i]);                                     
            }else  
            if (M[i]+M[temp]==MaxM)  
            {  
                   ansnum++;  
                   strcpy(ans[ansnum],dict[temp]);  
                   ans[ansnum][len[temp]]=' ';  
                   strcpy(ans[ansnum]+len[temp]+1,dict[i]);                         
            }   
            B: ;  
      }  
}  
void getanswer()  
{  
      int i,j;  
      m=0;  
      memset(h.s,0,sizeof(h.s));  
      for (i=0;i<l;i++)  
      {  
              m+=w[s[i]-'a'];  
              h.s[s[i]-'a']++;  
      }   
      ansnum=0; MaxM=0;  
      for (i=1;i<=num;i++)  
      if (len[i]<=l && M[i]<=m)  
      {  
              p=h;  
              for (j=0;j<len[i];j++)  
                 if (!p.s[dict[i][j]-'a']) goto A;  
                    else p.s[dict[i][j]-'a']--;     
              if (M[i]>MaxM)  
              {  
                    MaxM=M[i];  
                    ansnum=1;  
                    strcpy(ans[1],dict[i]);       
              }else  
              if (M[i]==MaxM)  
                    strcpy(ans[++ansnum],dict[i]);         
              if (l-len[i]>=3)  
              {   
                    temp=i;  
                    m-=M[i];   
                    Find2(i);                    
                    m+=M[i];               
              }     
              A: ;   
      }  
      return;  
}  
int main()    
{    
      int i;  
      freopen("lgame.dict","r",stdin);   
      num=0;  
      do  
      {  
            scanf("%s",dict[++num]);        
      }while (dict[num][0]!='.');  
      num--;  
      for (i=1;i<=num;i++)  
      {  
            len[i]=strlen(dict[i]); M[i]=0;  
            for (m=0;m<len[i];m++)  
               M[i]+=w[dict[i][m]-'a'];  
      }  
      fclose(stdin);    
      freopen("lgame.in","r",stdin);     
      freopen("lgame.out","w",stdout);      
      scanf("%s",s);  l=strlen(s);   
      getanswer();   
      printf("%d\n",MaxM);  
      for (i=1;i<=ansnum;i++) printf("%s\n",ans[i]);  
      return 0;       
}