流类库12
#include<iostream>
using namespace std;
int main()
{
int n;
cout<<"Input n: ";
cin>>n;
cout<<"Dec: "<<dec<<n;
cout<<" "<<"Oct: "<<oct<<n;
cout<<" "<<"Hex: "<<hex<<n<<endl;
return 0;
}
#include<iostream>
using namespace std;
int main()
{
int n;
cout<<"Input n: ";
cin>>n;
cout<<"Dec: "<<dec<<n;
cout<<" "<<"Oct: "<<oct<<n;
cout<<" "<<"Hex: "<<hex<<n<<endl;
return 0;
}