Using binary_search and count

[Forte 201092]

When we use binary_search, if the value is found, can we make function returns the position of that value?
Them same question with count function.
Thank you for your help :)

[ne555]

use lower_bound

Them same question with count function.

? Do you want a list of the positions?

[Forte 201092]

Yes, a list of the positions.
Thanks for your help :)