(1)\u627e\u5230\u961f\u5217\u91cc\u6743\u503c\u6700\u5c0f\u7684\u4e24\u4e2a\u8282\u70b9\uff0c\u6700\u5c0f\u7684\u4e3a\u5de6\u513f\u5b50\uff0c\u6b21\u5c0f\u7684\u4e3a\u53f3\u513f\u5b50\u3002<\/p>\n\n\n\n
(2)\u65b0\u5efa\u8282\u70b9\uff0c\u5c06\u5de6\u53f3\u513f\u5b50\u8d4b\u503c\u540e\uff0c\u5c06\u5176\u6743\u503c\u8d4b\u503c\u4e3a\u5de6\u53f3\u4e4b\u548c\u3002<\/p>\n\n\n\n
(3)\u5c06\u8282\u70b9\u52a0\u5165\u961f\u5217<\/p>\n\n\n\n
(4)\u82e5\u961f\u5217\u4e3a\u7a7a\uff0c\u5219\u9000\u51fa\u5faa\u73af\uff0c\u5efa\u7acb\u5b8c\u6bd5\u3002<\/p>\n\n\n\n
\u6311\u9009\u6700\u5c0f\u7684\u4e24\u4e2a\u53ef\u4ee5\u4ea4\u7ed9\u4f18\u5148\u961f\u5217\u5224\u65ad\u3002<\/p>\n\n\n\n
\u5b9a\u4e49\uff1a<\/p>\n\n\n\n
typedef struct BiTnode
{
TElemType data;
struct BiTnode * lchild, * rchild;
bool type = false;
int val;
} * BiTree;
struct cmp{
bool operator()(BiTnode *&a, BiTnode *&b) const
{
return a->data>b->data;
}
};<\/pre>\n\n\n\n\u4ee3\u7801\u5b9e\u73b0<\/p>\n\n\n\n
void Huffmantree(int cnt, BiTree &T)
{
int Num[30];string s;
memset(Num,0,sizeof(Num));
srand((int)time(nullptr));
\u200b
for(int i=0;i<cnt;i++) s+=(char)('a'+rand()%26);\/\/\u968f\u673a\u751f\u6210\u4e32
for(char i : s) Num[i-'a']++;
for(int i=0;i<26;i++) cout<<Num[i]<<' ';
cout<<endl<<s<<endl;
priority_queue<BiTree,vector<BiTree>,cmp>que;\/\/\u5efa\u7acb\u4f18\u5148\u961f\u5217
for(int i=0;i<26;i++)
{
auto tmp = (BiTree)malloc(sizeof(BiTnode));\/\/\u5efa\u7acb\u53f6\u5b50\u8282\u70b9
tmp -> data = Num[i];tmp->type = true;\/\/\u4f9d\u7167\u51fa\u73b0\u7684\u6b21\u6570\u4e3a\u6743\u503c
tmp -> val = i;
tmp->lchild = nullptr; tmp->rchild = nullptr;
if(tmp->data) que.push(tmp);\/\/\u5982\u679c\u51fa\u73b0\u4e86\uff0c\u5219\u52a0\u5165\u961f\u5217
}
cout<<\"=====================\"<<endl;
auto now = (BiTree)malloc(sizeof(BiTnode));\/\/\u65b0\u5efa\u5934\u8282\u70b9
while(!que.empty())
{
BiTree q1 = que.top();que.pop();if(que.empty()){break;}\/\/\u7279\u5224\u5982\u679c\u662f\u6700\u540e\u4e00\u4e2a\u8282\u70b9\uff0c\u9000\u51fa
BiTree q2 = que.top();que.pop();
now->lchild = q1; now->rchild = q2; now->data = q1->data+q2->data;
que.push(now); T = now;
now = (BiTree)malloc(sizeof(BiTnode));
}
struct no
{
BiTree node;
string way;
};
queue<no>Q; Q.push((no){T,\"\"});\/\/\u89e3\u7801
while(!Q.empty())
{
no tmp = Q.front();Q.pop();
if(tmp.node->lchild)
{
Q.push((no){tmp.node->lchild,tmp.way+\"0\"});\/\/\u5de6\u513f\u5b50\u8def\u5f84\u52a0\u51650\uff0c????\u513f\u5b50\u8def\u5f84\u52a0\u51651
Q.push((no){tmp.node->rchild,tmp.way+\"1\"});
}
else
cout<<tmp.way<<' '<<(char)(tmp.node->val+'a')<<endl;
}
}<\/pre>\n","protected":false},"excerpt":{"rendered":"\u7b97\u6cd5\u5982\u4e0b (1)\u627e\u5230\u961f\u5217\u91cc\u6743\u503c\u6700\u5c0f\u7684\u4e24\u4e2a\u8282\u70b9\uff0c\u6700\u5c0f\u7684\u4e3a\u5de6\u513f\u5b50\uff0c\u6b21\u5c0f\u7684\u4e3a\u53f3\u513f\u5b50\u3002 (2)\u65b0\u5efa\u8282\u70b9\uff0c\u5c06\u5de6\u53f3\u513f\u5b50\u8d4b\u503c\u7ee7\u7eed\u9605\u8bfb“Haffman\u6811”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":170,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[9],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/posts\/169"}],"collection":[{"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=169"}],"version-history":[{"count":1,"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/posts\/169\/revisions"}],"predecessor-version":[{"id":171,"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/posts\/169\/revisions\/171"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/media\/170"}],"wp:attachment":[{"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.mhrooz.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}