cout << "hex:" << hex << a << endl; //以十六进制形式输出整数a cout << "oct:" << setbase(8) << a << endl; //以八进制形式输出整数a char *pt = "China"; //pt指向字符串"China" cout << setw(10) << pt << endl; //指定域宽为,输出字符串 cout << setfill('*') << ...
貌似这条语句里不存在赋值操作啊，std::cout表示输出操作，std::hex，表示该输出以十六进制的形式，最后std::endl刷新输出流，从而将输出流中的3.4显示出来。
using namespace std; int main() { cout << "35的8进制:" << std::oct << 35<< endl; cout << "35的10进制" << std::dec << 35 << endl; cout << "35的16进制:" << std::hex << 35 << endl; cout << "35的2进制: " << bitset<8>(35) << endl; //<8>:表示保留8位...
#include<iostream>#include<bitset>//输出二进制的头文件usingnamespacestd;intmain(){inta =2149580819; cout <<"八进制: "<< oct << a << endl; cout <<"十进制: "<< dec << a << endl; cout <<"十六进制: "<< hex << a << endl; cout <<"二进制: "<<bitset<sizeof(a)*8>(a) ...
using namespace std;int main(){ int a;cout<<"input a:";cin>>a;cout<<"dec:"<<dec<<a<<endl; //以十进制形式输出整数 cout<<"hex:"<<hex<<a<<endl; //以十六进制形式输出整数a cout<<"oct:"<<setbase(8)<<a<<endl; //以八进制形式输出整数a char *pt="China"; ...
using std::endl; int main() { int a=10; cout<<"Dec:"<<a<<endl; cout<<hex<<"Hex:"<<a<<endl; cout<<oct<<"Oct:"<<a<<endl; cout<<bitset<32>(a)<<endl; getchar(); return 0; } C++ 操作符 注:下面的scientific 和 fixed不能同时使用 ...
<< std::endl)、格式化字符串输出(std::cout << “{:02d}:{:02d}:{:02d} {:02d:{:02d}:{:02d}” << std::setw(2) << std::setfill(‘0’) << std::hex << std::setprecision(2) << std::setbase(10) << std::string(10, ‘.’) << std::endl)。 输入输出示例下面是...
using namespace std; int main() { int a = 0x12345678; cout.unsetf(ios::dec); cout.setf(ios::hex); cout << "十六机制: " << a << endl; cout.unsetf(ios::hex); cout.setf(ios::oct); cout << "八机制: " << a << endl; ...
std::cout <<std:: hex << "a[1]:" << a[1] << "\na[2]:" << a[2] << "\na[3...