what's wrong with this following prototype?

[prettyawesome6]

int askNumber(int low = 1, int high);

[AbstractionAnon]

Defaulted arguments must be the right-most arguments.

[cire]

You might be able to achieve what you want by overloading the function:

int askNumber(int low, int high);
int askNumber(int high) { return askNumber(1, high); }