If (ch! & amp;='y' & Ch!='n')
? WRONG (); ?

CodePudding user response:

Determining if a ch 'y' and 'n', which if not 'y' not 'n' at the same time, the execution WRONG (); function

CodePudding user response:

Upstairs is solution! At the same time meet not character and character N Y WEONG to execution