input help

[fivestar]

How can i have the user input a 24hr time and have seconds optional.
for example they can enter 20:40 with

int x,y;
char s;
cin>>hour>>s>>minute

but how can i add an OPTIONAL input with seconds.

20:40:03;

[gunnerfunner]

You can give them a menu - search for switch-case and you should get your answer