type int_array = array of int
function max_search(a : int_array, size : int) : int =
	if size <= 0 then -1
	else
		let
			var maxi := 0
		in
			(for i := 1 to size - 1 do
				if a[maxi] < a[i] then
					maxi := i);
			maxi
		end