Why this isn't working

Question

https://code.sololearn.com/cuDtJsTNl10c/?ref=app

Answer 1

you are doing addition before anything is stored inside the variables.

move a+b to after user input

then cout << "sum " << sum << endl; to see the sum

Answer 2

I will remove my copy now, as it is your code 😊

Answer 3

Yes indeed it is!

Answer 4

https://code.sololearn.com/cz244vUMubBo/?ref=app

Answer 5

is this correct too ?

Answer 6

thx