Please write 1 function header which can help properly pass the above unique pointer in main to a function and explain how it works in detail.

which functions return a valid value without any arguments?

(-blank- and -blank- return a valid value without any arguments.)

1st -blank-

today

sqrt

count

2nd -blank-

round

now

sqrt

i found ur answer but it won't let me see it it's on "chegg" but you have to pay 14.99 month