C++进制转换

#include<iostream>#include<bitset>using namespace std;int main(){    int n;    cout << "Please enter a decimal number :" << endl;    cin >> n;    bitset<8>bs(n);    cout <<"Binary : "<<bs << endl;    cout <<"Octal : "<<oct<<n<<endl;    cout <<"Decimal : "<<dec << n << endl;    cout <<"Hexadecimal : "<< hex << n << endl;    return 0;}