[vc++]【笔记】学习c++的第5天

#include<iostream>                                                       //包含头文件输入输出流
#include<iomanip>                                                        //包含头文件操纵器
using namespace std;                                                     //使用命名空间std
int main()                                                               //整型主函数
{
    cout<<"8进制："<<setbase(8)<<15<<" "<<16<<endl;                      //以8进制形式输出
    cout<<"10进制："<<setbase(10)<<15<<" "<<16<<endl;                    //以10进制形式输出
    cout<<"16进制："<<setbase(16)<<15<<" "<<16<<endl;                    //以16进制形式输出

    cout<<"------【下面代码可不用包含iomanip头文件】-------\n";          //输出字符串
    cout<<"8进制："<<oct<<15<<" "<<16<<endl;                             //oct是以8进制形式输出
    cout<<"10进制："<<dec<<15<<" "<<16<<endl;                            //hex是以10进制形式输出
    cout<<"16进制："<<hex<<16<<" "<<16<<endl;                            //dec是以16进制形式输出
    return 0;                                                            //返回0
}