Converting hex to dec C++ -

convert hex:

cout << hex << int(x) << endl; 

how convert conversely, hex dec?

enter hex number simple:

cin >> hex >> x; 

you can use std::dec io manipulator:

std::cout << std::dec << int(x) << endl; 

note necessary if have used std::hex or other means manipulate base of std::cout. otherwise need take no action: default int decimal.