??#include??????
??#include??????
??#include??????
??#include??????
??#include?????
??#define?MAXN?500
??typedef???struct?
??{???
????int???weight;???
????int???parent;
????int???lchild;
????int???rchild;???
??}???HTNode*HuffmanTree;???
????
??typedef???char???**HuffmanCode;???
????
??typedef???struct???{???
????int???s1;???
????int???s2;???
??}???MinCode;???
????
?MinCode???Select（HuffmanTree???HT??int???n）???
??{???
????int???minsecmin;???
????int???temp;???
????int???is1s2tempi;???
??MinCode???code;???
??s1=1;s2=1;???
??for（i=1;i<=n;i++）???
??if（HT[i].parent==0）???
??{???
??min=HT[i].weight;???
??s1=i;???
??break;???
??}???
??tempi=i++;???
??for（;i<=n;i++）???
??if（HT[i].weight