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|
type lambda =
|Const of int
|Lambda of (lambda -> lambda);;
let unfold (Lambda x) = x
let (@) a1 a2 = unfold a1 a2;;
let out (Lambda x) = x
let (!) x = Lambda x
let id = !(fun x -> x)
type slot = {
mutable vitality: int;
mutable field: lambda
}
;;
let proponent = Array.init 256 (fun _ -> {vitality = 10000; field = id})
let opponent = Array.init 256 (fun _ -> {vitality = 10000; field = id})
let zero = Const 0
let succ = !(fun (Const n) -> if n < 65535 then Const (n+1) else Const n)
let dbl = !(fun (Const n) -> if n<32768 then Const(2*n) else Const n)
let get = !(fun (Const i) -> if proponent.(i).vitality > 0 then proponent.(i).field else failwith "dead")
let put = !(fun x -> id)
let s = !(fun f -> !(fun g -> !(fun x -> (f @ x) @ (g @ x))))
let k = !(fun x -> !(fun y -> x))
let inc = !(fun (Const i) ->
let v = proponent.(i).vitality in
if ( v < 65535 ) & ( v > 0 ) then
proponent.(i).vitality <- proponent.(i).vitality + 1;
id)
let dec = !(fun (Const i) ->
let v = opponent.(255-i).vitality in
if v>0 then
opponent.(255-1).vitality <-opponent.(255-1).vitality-1;
id)
let attack = !(fun (Const i) -> !(fun (Const j) -> !(fun (Const n) ->
let v = proponent.(i).vitality in
if v - n > 0 then
proponent.(i).vitality <- proponent.(i).vitality - n
else
failwith "not enough life";
let w = opponent.(j).vitality in
if w > 0 then
proponent.(j).vitality <- max 0 (w - 9/10 *n);
id)))
let help = !(fun (Const i) -> !(fun (Const j) -> !(fun (Const n) ->
let v = proponent.(i).vitality in
if v - n > 0 then
proponent.(i).vitality <- proponent.(i).vitality - n
else
failwith "not enough life";
let w = proponent.(255-j).vitality in
if w > 0 then
proponent.(255 - j).vitality <- min (w + n*11/10) 65535;
id)))
let copy = !(fun (Const i) -> opponent.(i).field)
let revive = !(fun (Const i) ->
let v = proponent.(i).vitality in
if v <= 0 then
proponent.(i).vitality <- 1;
id)
let zombie = !(fun (Const i) -> !(fun x ->
let v = opponent.(255-i).vitality in
if v <= 0 then
begin
opponent.(255-i).field <- x;
opponent.(255-i).vitality <- -1
end
else
failwith "slot is alive!";
id))
type card =
| I
| Zero
| Succ
| Dbl
| Get
| Put
| S
| K
| Inc
| Dec
| Attack
| Help
| Copy
| Revive
| Zombie
;;
let card_of_string s = match s with
| "I" -> I
| "zero" -> Zero
| "Succ" -> Succ
| "dbl" -> Dbl
| "get" -> Get
| "put" -> Put
| "S" -> S
| "K" -> K
| "inc" -> Inc
| "dec" -> Dec
| "attack" -> Attack
| "help" -> Help
| "copy" -> Copy
| "revive" -> Revive
| "zombie" -> Zombie
;;
let cardfun_of_card c = match c with
| I -> id
| Zero -> zero
| Succ -> succ
| Dbl -> dbl
| Get -> get
| Put -> put
| S -> s
| K -> k
| Inc -> inc
| Dec -> dec
| Attack -> attack
| Help -> help
| Copy -> copy
| Revive -> revive
| Zombie -> zombie
let left_apply card slot =
slot.field <- (cardfun_of_card card) @ slot.field
let right_apply slot card =
slot.field <- slot.field @ (cardfun_of_card card)
right_apply proponent.(0) Help;;
right_apply proponent.(0) Zero;;
left_apply K proponent.(0);;
left_apply S proponent.(0);;
right_apply proponent.(0) Succ;;
right_apply proponent.(0) Zero;;
right_apply proponent.(1) Zero;;
left_apply Succ proponent.(1);;
left_apply Dbl proponent.(1);;
left_apply Dbl proponent.(1);;
left_apply Dbl proponent.(1);;
left_apply Dbl proponent.(1);;
left_apply K proponent.(0);;
left_apply S proponent.(0);;
right_apply proponent.(0) Get;;
left_apply K proponent.(0);;
left_apply S proponent.(0);;
right_apply proponent.(0) Succ;;
right_apply proponent.(0) Zero;;
|
