CS计算机代考程序代写 let max = fun x -> fun y -> if app app (>) to x to y then x else y

let max = fun x -> fun y -> if app app (>) to x to y then x else y
in
let max12 = app app max to 1 to 2 in
let max43 = app app max to 4 to 3 in
app app (+) to max12 to max43