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Copy pathday24-postgresql.sql
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day24-postgresql.sql
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WITH RECURSIVE "map_1" ("x", "y", "char") AS (
SELECT
"__2"."x",
"__1"."y",
"__2"."char"
FROM string_to_table($1, '
') WITH ORDINALITY AS "__1" ("line", "y")
CROSS JOIN string_to_table("__1"."line", NULL) WITH ORDINALITY AS "__2" ("char", "x")
),
"size_1" ("max_x", "max_y") AS (
SELECT
max("map_2"."x") AS "max_x",
max("map_2"."y") AS "max_y"
FROM "map_1" AS "map_2"
),
"blizzards_1" ("x", "dx", "max_x", "y", "dy", "max_y") AS (
SELECT
"map_3"."x",
(CASE WHEN ("map_3"."char" = '>') THEN 1 WHEN ("map_3"."char" = '<') THEN -1 ELSE 0 END) AS "dx",
"size_2"."max_x",
"map_3"."y",
(CASE WHEN ("map_3"."char" = 'v') THEN 1 WHEN ("map_3"."char" = '^') THEN -1 ELSE 0 END) AS "dy",
"size_2"."max_y"
FROM "map_1" AS "map_3"
CROSS JOIN "size_1" AS "size_2"
WHERE ("map_3"."char" IN ('>', 'v', '<', '^'))
),
"__3" ("t", "x", "y", "done") AS (
SELECT
0 AS "t",
2 AS "x",
1 AS "y",
FALSE AS "done"
UNION ALL
SELECT
"__7"."t",
"__7"."x",
"__7"."y",
(("__7"."x" = ("size_3"."max_x" - 1)) AND ("__7"."y" = "size_3"."max_y")) AS "done"
FROM (
SELECT DISTINCT
("__6"."t" + 1) AS "t",
("__6"."x" + "values_2"."dx") AS "x",
("__6"."y" + "values_2"."dy") AS "y"
FROM (
SELECT
"__5"."x",
"__5"."y",
"__5"."t"
FROM (
SELECT
"__4"."x",
"__4"."y",
"__4"."t",
(bool_or("__4"."done") OVER ()) AS "bool_or"
FROM "__3" AS "__4"
) AS "__5"
WHERE (NOT "__5"."bool_or")
) AS "__6"
CROSS JOIN (
SELECT
"values_1"."dx",
"values_1"."dy"
FROM (
VALUES
(0, 0),
(1, 0),
(-1, 0),
(0, 1),
(0, -1)
) AS "values_1" ("dx", "dy")
) AS "values_2"
) AS "__7"
CROSS JOIN "size_1" AS "size_3"
WHERE
((("__7"."x" = 2) AND ("__7"."y" = 1)) OR (("__7"."x" = ("size_3"."max_x" - 1)) AND ("__7"."y" = "size_3"."max_y")) OR (("__7"."x" BETWEEN 2 AND ("size_3"."max_x" - 1)) AND ("__7"."y" BETWEEN 2 AND ("size_3"."max_y" - 1)))) AND
(NOT EXISTS (
SELECT NULL AS "_"
FROM "blizzards_1" AS "blizzards_2"
WHERE
((((((("blizzards_2"."x" + ("blizzards_2"."dx" * "__7"."t")) - 2) % ("blizzards_2"."max_x" - 2)) + ("blizzards_2"."max_x" - 2)) % ("blizzards_2"."max_x" - 2)) + 2) = "__7"."x") AND
((((((("blizzards_2"."y" + ("blizzards_2"."dy" * "__7"."t")) - 2) % ("blizzards_2"."max_y" - 2)) + ("blizzards_2"."max_y" - 2)) % ("blizzards_2"."max_y" - 2)) + 2) = "__7"."y")
))
),
"__10" ("t", "x", "y", "done") AS (
SELECT
0 AS "t",
2 AS "x",
1 AS "y",
FALSE AS "done"
UNION ALL
SELECT
"__14"."t",
"__14"."x",
"__14"."y",
(("__14"."x" = ("size_4"."max_x" - 1)) AND ("__14"."y" = "size_4"."max_y")) AS "done"
FROM (
SELECT DISTINCT
("__13"."t" + 1) AS "t",
("__13"."x" + "values_4"."dx") AS "x",
("__13"."y" + "values_4"."dy") AS "y"
FROM (
SELECT
"__12"."x",
"__12"."y",
"__12"."t"
FROM (
SELECT
"__11"."x",
"__11"."y",
"__11"."t",
(bool_or("__11"."done") OVER ()) AS "bool_or"
FROM "__10" AS "__11"
) AS "__12"
WHERE (NOT "__12"."bool_or")
) AS "__13"
CROSS JOIN (
SELECT
"values_3"."dx",
"values_3"."dy"
FROM (
VALUES
(0, 0),
(1, 0),
(-1, 0),
(0, 1),
(0, -1)
) AS "values_3" ("dx", "dy")
) AS "values_4"
) AS "__14"
CROSS JOIN "size_1" AS "size_4"
WHERE
((("__14"."x" = 2) AND ("__14"."y" = 1)) OR (("__14"."x" = ("size_4"."max_x" - 1)) AND ("__14"."y" = "size_4"."max_y")) OR (("__14"."x" BETWEEN 2 AND ("size_4"."max_x" - 1)) AND ("__14"."y" BETWEEN 2 AND ("size_4"."max_y" - 1)))) AND
(NOT EXISTS (
SELECT NULL AS "_"
FROM "blizzards_1" AS "blizzards_3"
WHERE
((((((("blizzards_3"."x" + ("blizzards_3"."dx" * "__14"."t")) - 2) % ("blizzards_3"."max_x" - 2)) + ("blizzards_3"."max_x" - 2)) % ("blizzards_3"."max_x" - 2)) + 2) = "__14"."x") AND
((((((("blizzards_3"."y" + ("blizzards_3"."dy" * "__14"."t")) - 2) % ("blizzards_3"."max_y" - 2)) + ("blizzards_3"."max_y" - 2)) % ("blizzards_3"."max_y" - 2)) + 2) = "__14"."y")
))
),
"__16" ("t", "x", "y", "done") AS (
SELECT
"__15"."t",
"__15"."x",
"__15"."y",
FALSE AS "done"
FROM "__10" AS "__15"
WHERE "__15"."done"
UNION ALL
SELECT
"__20"."t",
"__20"."x",
"__20"."y",
(("__20"."x" = 2) AND ("__20"."y" = 1)) AS "done"
FROM (
SELECT DISTINCT
("__19"."t" + 1) AS "t",
("__19"."x" + "values_6"."dx") AS "x",
("__19"."y" + "values_6"."dy") AS "y"
FROM (
SELECT
"__18"."x",
"__18"."y",
"__18"."t"
FROM (
SELECT
"__17"."x",
"__17"."y",
"__17"."t",
(bool_or("__17"."done") OVER ()) AS "bool_or"
FROM "__16" AS "__17"
) AS "__18"
WHERE (NOT "__18"."bool_or")
) AS "__19"
CROSS JOIN (
SELECT
"values_5"."dx",
"values_5"."dy"
FROM (
VALUES
(0, 0),
(1, 0),
(-1, 0),
(0, 1),
(0, -1)
) AS "values_5" ("dx", "dy")
) AS "values_6"
) AS "__20"
CROSS JOIN "size_1" AS "size_5"
WHERE
((("__20"."x" = 2) AND ("__20"."y" = 1)) OR (("__20"."x" = ("size_5"."max_x" - 1)) AND ("__20"."y" = "size_5"."max_y")) OR (("__20"."x" BETWEEN 2 AND ("size_5"."max_x" - 1)) AND ("__20"."y" BETWEEN 2 AND ("size_5"."max_y" - 1)))) AND
(NOT EXISTS (
SELECT NULL AS "_"
FROM "blizzards_1" AS "blizzards_4"
WHERE
((((((("blizzards_4"."x" + ("blizzards_4"."dx" * "__20"."t")) - 2) % ("blizzards_4"."max_x" - 2)) + ("blizzards_4"."max_x" - 2)) % ("blizzards_4"."max_x" - 2)) + 2) = "__20"."x") AND
((((((("blizzards_4"."y" + ("blizzards_4"."dy" * "__20"."t")) - 2) % ("blizzards_4"."max_y" - 2)) + ("blizzards_4"."max_y" - 2)) % ("blizzards_4"."max_y" - 2)) + 2) = "__20"."y")
))
),
"__22" ("t", "x", "y", "done") AS (
SELECT
"__21"."t",
"__21"."x",
"__21"."y",
FALSE AS "done"
FROM "__16" AS "__21"
WHERE "__21"."done"
UNION ALL
SELECT
"__26"."t",
"__26"."x",
"__26"."y",
(("__26"."x" = ("size_6"."max_x" - 1)) AND ("__26"."y" = "size_6"."max_y")) AS "done"
FROM (
SELECT DISTINCT
("__25"."t" + 1) AS "t",
("__25"."x" + "values_8"."dx") AS "x",
("__25"."y" + "values_8"."dy") AS "y"
FROM (
SELECT
"__24"."x",
"__24"."y",
"__24"."t"
FROM (
SELECT
"__23"."x",
"__23"."y",
"__23"."t",
(bool_or("__23"."done") OVER ()) AS "bool_or"
FROM "__22" AS "__23"
) AS "__24"
WHERE (NOT "__24"."bool_or")
) AS "__25"
CROSS JOIN (
SELECT
"values_7"."dx",
"values_7"."dy"
FROM (
VALUES
(0, 0),
(1, 0),
(-1, 0),
(0, 1),
(0, -1)
) AS "values_7" ("dx", "dy")
) AS "values_8"
) AS "__26"
CROSS JOIN "size_1" AS "size_6"
WHERE
((("__26"."x" = 2) AND ("__26"."y" = 1)) OR (("__26"."x" = ("size_6"."max_x" - 1)) AND ("__26"."y" = "size_6"."max_y")) OR (("__26"."x" BETWEEN 2 AND ("size_6"."max_x" - 1)) AND ("__26"."y" BETWEEN 2 AND ("size_6"."max_y" - 1)))) AND
(NOT EXISTS (
SELECT NULL AS "_"
FROM "blizzards_1" AS "blizzards_5"
WHERE
((((((("blizzards_5"."x" + ("blizzards_5"."dx" * "__26"."t")) - 2) % ("blizzards_5"."max_x" - 2)) + ("blizzards_5"."max_x" - 2)) % ("blizzards_5"."max_x" - 2)) + 2) = "__26"."x") AND
((((((("blizzards_5"."y" + ("blizzards_5"."dy" * "__26"."t")) - 2) % ("blizzards_5"."max_y" - 2)) + ("blizzards_5"."max_y" - 2)) % ("blizzards_5"."max_y" - 2)) + 2) = "__26"."y")
))
)
SELECT
"__9"."part1",
"__28"."part2"
FROM (
SELECT max("__8"."t") AS "part1"
FROM "__3" AS "__8"
) AS "__9"
CROSS JOIN (
SELECT max("__27"."t") AS "part2"
FROM "__22" AS "__27"
) AS "__28"