问题遇到的现象和发生背景
哈夫曼编码的代码实现,树的创建检查过没有问题,编码的代码查不出出错在哪问题,输出Code的时候却出错了
用代码块功能插入代码,请勿粘贴截图
void HuffManCode(PHtTree HuffTree,int n,Code HuffCode[])
{
Code *cd=(Code *)malloc(sizeof(Code));
int i,j,child,parent;
for(i=0;i<n;i++)
{
cd->start=n-1;
cd->weight=HuffTree.ht[i].ww;
child=i;
parent=HuffTree.ht[child].parent;
while(parent!=-1)
{
if(HuffTree.ht[parent].lchild==child)
cd->bit[cd->start]=0;
else
cd->bit[cd->start]=1;
cd->start--;
child=parent;
parent=HuffTree.ht[child].parent;
}
for(j=cd->start+1;j<n;j++)
HuffCode[i].bit[j]=cd->bit[j];
HuffCode[i].start=cd->start+1;
HuffCode[i].weight=cd->weight;
}
}
void main()
{
int i,j,n=4;
int weight[10]={1,3,5,7};
PHtTree *myHaffTree = (PHtTree *)malloc(sizeof(PHtTree));
Code *myHaffCode= (Code*)malloc(sizeof(Code)*n);
if(2*n-1>MAXNODE)
{
printf("给出的n越界,修改MAXN的值!\n");
exit(0);
}
myHaffTree=huffman(n,weight);
HuffManCode(*myHaffTree,n,myHaffCode);
for(i=0;i<n;i++)
{
printf("Weight =%d Code=",myHaffCode[i].weight);
for(j=myHaffCode[i].start;j<n;j++)
printf("%d",myHaffCode[i].bit[j]);
printf("\n");
}
}
运行结果及报错内容
我想要达到的结果
输出正确的哈夫曼编码