File size: 380 Bytes
bff4ec7 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 | import Algorithms.maximum_subarray.lean.spec_lib
namespace Algorithms.maximum_subarray.lean
open AUXLib MaxMinLib
def max_Z (a b : Int) : Int := max a b
def MaxSuffixSumPrefix (l : List Int) (i ans : Int) : Prop :=
MaxMinLib.max_value_of_subset (· ≤ ·) (fun lo : Int => 0 ≤ lo ∧ lo < i)
(fun lo => sum (sublist lo i l)) ans
end Algorithms.maximum_subarray.lean
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