CHALLENGE

ACTIVITY

$3\mathrm{.}15\mathrm{.}1$: Character operations.

Jump to level $1$

Read in a $3-$character string from input into variable userCode. Declare a boolean variable allDigits and set allDigits to true if userCode only contains digits. Otherwise, set allDigits to false.

Ex: If the input is $567,$ then the output is:

Passcode is valid

Note: Use getline$($cin$,$ userCode$)$ to read the entire line from input into userCode.

#include $1**$