摘要:
#include <iostream>using namespace std;void backtrack(int a[] , int n , int k){ if(k == n+1){ for(int j = 1 ; j <= n ; j++) cout<<a[j]; cout<<endl; return ; } a[k] = 0 ; backtrack(a, n, k+1); a[k] = 1 ; backtrack(a, n, k+1);}void main(){ int n; cin>>n; ... 阅读全文
摘要:
1.不换行标记:nobr <nobr>...</nobr>2.预格式化标记:pre <pre>...</pre>3.创建email链接 <a href = "mailto:电子邮件地址">链接文字</a>4.创建ftp链接 <a href = "ftp:// ...... ">链接文字</a>5.创建Telnet远程链接 <a href = "telnet://地址">链接文字</a>6.创建下载文件链接 <a 阅读全文