1 #include <iostream> 2 3 /* run this program using the console pauser or add your own getch, system("pause") or input loop */ 4 using namespace std; 5 int main(int argc, char** argv) { 6 7 //声明变量，并初始化 8 int a=010,b=10,c=0X10; 9 10 //以十进制形式显示数据 11 cout<<"DEC:"; 12 cout<<" a="<<a; 13 cout<<" b="<<b; 14 cout<<" c="<<c<<endl; 15 16 //以八进制形式显示数据 17 cout<<"OCT:"; 18 cout<<oct; //指定八进制输出 19 cout<<" a="<<a; 20 cout<<" b="<<b; 21 cout<<" c="<<c<<endl; 22 23 //以十六进制形式显示数据 24 cout<<"HEX:"; 25 cout<<hex; //指定十六进制输出 26 cout<<" a="<<a; 27 cout<<" b="<<b; 28 cout<<" c="<<c<<endl; 29 30 //八、十和十六进制数混合运算并输出 31 cout<<"a+b+c="; 32 cout<<dec; //恢复十进制输出 33 cout<<a+b+c<<endl; 34 35 //测试八、十和十六进制输入 36 cout<<"DEC:a="; cin>>a; 37 cout<<"OCT:b="; cin>>b; 38 cout<<"HEX:a="; cin>>c; 39 cout<<"DEC:"<<dec<<endl; //指定十进制输出 40 cout<<"a="<<a<<endl; 41 cout<<"b="<<b<<endl; 42 cout<<"c="<<c<<endl; 43 return 0; 44 }