結果
| 問題 | No.55 正方形を描くだけの簡単なお仕事です。 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2026-04-16 07:06:17 |
| 言語 | Standard ML (MLton 20241230) |
| 結果 |
AC
|
| 実行時間 | 63 ms / 5,000 ms |
| コード長 | 2,686 bytes |
| 記録 | |
| コンパイル時間 | 4,523 ms |
| コンパイル使用メモリ | 704,696 KB |
| 実行使用メモリ | 54,500 KB |
| 最終ジャッジ日時 | 2026-04-16 07:06:25 |
| 合計ジャッジ時間 | 7,246 ms |
|
ジャッジサーバーID (参考情報) |
judge3_0 / judge2_1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 21 |
ソースコード
fun quicksort [] = []
| quicksort (h::tl) =
let
val (s, b) =
List.foldl
(fn (x, (small, big)) =>
if x <= h then (x::small, big)
else (small, x::big))
([], [])
tl
in
(quicksort s) @ [h] @ (quicksort b)
end
fun readInt () =
valOf (TextIO.scanStream (Int.scan StringCvt.DEC) TextIO.stdIn)
fun intString n =
if 0 <= n
then Int.toString n
else "-" ^ Int.toString (abs n)
val () =
let
val x1 = readInt ()
val y1 = readInt ()
val x2 = readInt ()
val y2 = readInt ()
val x3 = readInt ()
val y3 = readInt ()
val candidates =
List.foldl (fn (l, acc) =>
l @ acc)
[]
(List.tabulate (401, (fn x =>
List.map (fn yy => (x - 200, yy))
(List.tabulate (401, (fn y => y - 200))))))
val ans = List.find (fn (x, y) =>
let
val d1 = (x1 - x) * (x1 - x) + (y1 - y) * (y1 - y)
val d2 = (x2 - x) * (x2 - x) + (y2 - y) * (y2 - y)
val d3 = (x3 - x) * (x3 - x) + (y3 - y) * (y3 - y)
val sorted = quicksort [d1, d2, d3]
in
if List.nth (sorted, 0) = List.nth (sorted, 1) andalso List.nth (sorted, 0) * 2 = List.nth (sorted, 2)
then
(
if List.nth (sorted, 2) = d1
then (y2 - y) * (y3 - y) = (~1) * (x2 - x) * (x3 - x) andalso (x3 - x1) * (x3 - x1) + (y3 - y1) * (y3 - y1) = d2
else if List.nth (sorted, 2) = d2
then (y1 - y) * (y3 - y) = (~1) * (x1 - x) * (x3 - x) andalso (x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1) = d1
else (y2 - y) * (y1 - y) = (~1) * (x2 - x) * (x1 - x) andalso (x3 - x1) * (x3 - x1) + (y3 - y1) * (y3 - y1) = d1
)
else false
end)
candidates
in
case ans of
NONE =>
print ("-1" ^ "\n")
| SOME (x, y) =>
print (intString x ^ " " ^ intString y ^ "\n")
end