by C++ I wanna to create array from

1to 9

Output = how many digits number on it(output shuold be 1digit=9)

2. Create array from

11 to 99

Without odd number

and without Similar numbers like (11,22,33,44....)

Output = how many digits number on it(output shuold be 2digits=32)

3. Create array from

111to999

Without even numbers

and without Similar numbers like

(111,121,343,444,223,335.....)

Output = how many digits number on it

by C++