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add Compression ratio

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xice
2018-05-21 16:52:38 +08:00
parent 598a3e5f1d
commit 73e7489317
1 changed files with 9 additions and 0 deletions
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9
main.cpp
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@@ -170,8 +170,11 @@ int main(){
Huffman Huffman1(a); Huffman Huffman1(a);
char b[800]={'\0'}; char b[800]={'\0'};
char c[100]={'\0'}; char c[100]={'\0'};
int nb = -1,nc = -1;
Huffman1.Encode(a,b); Huffman1.Encode(a,b);
Huffman1.Decode(b,c); Huffman1.Decode(b,c);
while(b[++nb] != '\0');
while(c[++nc] != '\0');
system(CLEAR); system(CLEAR);
cout <<"+----------------------------+"<<endl; cout <<"+----------------------------+"<<endl;
cout <<"| 哈弗曼树实现 |"<<endl; cout <<"| 哈弗曼树实现 |"<<endl;
@@ -185,6 +188,12 @@ int main(){
cout <<"|"<<setw(28)<<setiosflags(ios::left)<<c<<"|"<<endl; cout <<"|"<<setw(28)<<setiosflags(ios::left)<<c<<"|"<<endl;
cout <<"| 按Enter进入菜单 |"<<endl; cout <<"| 按Enter进入菜单 |"<<endl;
cout <<"+----------------------------+"<<endl; cout <<"+----------------------------+"<<endl;
cout <<"编码前长度"<<endl;
cout << nc*8 << endl;
cout << "编码后长度" <<endl;
cout << nb << endl;
cout << "压缩率" << endl;
cout << (double)nb/(nc*8) << endl;
cin.get();cin.get(); cin.get();cin.get();
int chouse; int chouse;
goback:; goback:;