it was a wasted opportunity <| sep |> What needs sourcing ? Do you seriously think that manufacturing is sustainably going to provide a middle class income for Americans in the future ? <| sep |> While true , Trump needs to ensure some education and I mean physics , maths , chemistry and others . We do need those people . <| sep |> A clock can be be represented as 3 nested loops for int h 0 h 24 h for int m 0 m 60 m for int s 0 s 60 s cout h hrs m mins s secs endlThe idea is that the innermost loop is iterated through entirely before returning to the next most inner loop , and so on . EDIT It ' s important to understand nested loops because they ' re similar to other common programming concepts , like recursion and stacks .