How to std turn green

Question

in the example program std and all the cout's and endl's are all green and it runs. but when I start from scratch they don't turn green

Answer 1

in the example program std and all the cout's and endl's are all green and it runs. but when I start from scratch they don't turn green

Answer 2

in the end of the prgram if it write with logic of c++..it will be green