day18 part1

Cargo.toml

@@ -9,3 +9,4 @@ edition = "2018"
 [dependencies]
 aoc-runner = "0.3.0"
 aoc-runner-derive = "0.3.0"
+nom = "6.0.1"

input/2020/day17.txt

@@ -0,0 +1,8 @@
+#.#.#.##
+.####..#
+#####.#.
+#####..#
+#....###
+###...##
+...#.#.#
+#.##..##

input/2020/day18.txt

@@ -0,0 +1,373 @@
+5 + (6 + 3 + (4 + 7 * 3 + 6 + 4 + 2) * 9) * 7 + 7
+5 * 8 + 3 * ((5 + 9 * 9) * (3 * 5 + 7 * 2 * 3) + 3 * 6) + 8
+5 + 5 * (6 + 7) * 5 + 4 * (3 * 3 * 8 + 2)
+(6 + 2 + 9 + 9) * 6 + (2 + (5 * 3 + 4 * 5 * 8 + 5) + 6 + (5 + 9 * 8 + 2 + 2))
+3 + (5 * 4 * 6 + 5 * (9 + 7 * 9)) * 5 + ((2 + 8 * 2) * 6)
+3 * (9 + 9) * 4
+5 * 6 + ((2 + 8 * 5) + (5 * 7 + 4 * 9 + 2 + 3) + 5 * 4 * 5) * 4 * 4
+8 + 5 + 5 * ((9 + 9 * 2 * 3 + 3 * 9) + (7 * 4 + 2))
+((2 * 5 * 5 + 6) * 6) + 3 * 9 * (8 * 3 + 4) * 7 * (3 + 9 + 8 * (8 * 8 * 5) + 8 * 3)
+9 + (6 + (4 + 2 * 3 + 4) * 7 + 6 * 7) * 8 + 6
+6 * 9 * (9 * 9) + 5 + 8 + 9
+3 + 4 * 5 * 7 * ((3 + 9 * 9) + 2 + (5 + 3 + 5 + 2 + 8 + 4) * 6 * 6 + (2 * 5 * 8 * 6)) * (7 + 3 * 7 * 2 * 5 + 6)
+9 + 6 + 5 * 2 * (2 + 4 + 9 * 4)
+(2 * 4 * (9 + 8 + 8) + 6 * 2 + 8) + 4
+(5 + 4 * (9 + 2 * 2 + 6 * 9 * 5) * 5 * 7) + (6 * 8 + 7)
+3 + 8 * 4 + 2 + (7 * (7 * 5)) + 2
+3 + 4 * ((2 + 5 * 6) + 2 + 5 * 4 * (9 * 8 * 6 + 9) * (9 * 5 * 4 + 9 + 2)) + 6
+(6 * 4 + 2) * 7 * 6 * 5 * ((4 + 5 * 8) + 6 + 7) * 7
+(3 * 5 * 4 * 5 + 9) + 6 + 6 * (6 + 2 * 5 + 7 * 4)
+5 * ((5 + 3 + 6 + 9 + 7) + 5) * 6 * (9 + 9 * 3 + 4 + 3) * (5 * (3 * 5 * 2))
+9 * (8 * 9 * 2 + 2) * 7 * 9 * 7 + 4
+3 * 2 * 8 * 9 + 6 * ((5 + 8 + 2 + 2) * 7)
+7 * 7 * (5 * 8 + 9 * 2 + 8) + 3 + 2 + 5
+9 * 2 + (6 + 8 + (2 + 3 + 7 + 4 + 5 * 6) + 5 + 8)
+8 + (6 * 2 + 4 + 7 * 9) + 5 * ((7 * 6 * 6) * (9 + 8 * 2 * 8) + 9 + 8 * 5) * 2
+(5 + 5 + 6 + 6 * (4 + 9 * 3 + 8 + 5) * 2) + (6 + 6) * (7 * 2 * 8 + 2) + 8 * 3 + 4
+7 + 9 + ((9 * 5 + 6 * 6 * 6) * (6 + 7 + 8 * 7 * 4 + 6) + 8 + 4 + 9) + (9 + 3 * 4)
+5 + (9 + 4 * (7 + 4 * 5 + 5) + (6 + 8 * 7) + (8 + 2)) + 3 + 8 + (7 * 7 + 6 * 9 + 5)
+(3 * 5 * 8 * 9) + 9 * 3 * (5 + (4 * 7 * 7 + 5 * 7) * 8 * 5 + 4 + (3 * 5 + 4)) + 2 * 6
+((6 * 7 + 6) + 5 * 8 * (9 * 2 * 4)) * (4 + 6 + 3 * 9 + 7)
+3 + 5 * 5 + 8 + 9
+5 + (7 * (2 * 4 + 5 * 2 + 7 + 6) + 2 * 7) + 3 + 9 + (2 * 4 * 4)
+(5 + 6 * (6 + 9 * 2)) * 4 + 3 + 7 * 3
+9 * 5 * ((5 * 9 + 5 * 4) * 3 + 5 + 4 + 2) * 3 + 9
+7 + 7 * 9 * (7 * 3) * 5 * 8
+4 + (5 * 2 + 9 + 6) * 2 * 3 * 3
+9 * 9 * 5 * ((9 * 5 * 9 + 3 * 7 + 4) * 9 * 5) + 5 + 3
+(7 + 8 + (2 + 9 + 6 * 6 + 9 + 6)) + 6 * 7 + 9 + 9
+8 * (3 * 8 + 5 * 4 + 5 + (5 + 5 + 9)) + 9 * 5 * 4
+(6 + 5) + 9 * 2 * 8
+(8 * 5) + 6 * 6 * 6 * ((3 + 7 + 3) * 9)
+4 * (3 * 2 * 5 + (6 * 2) * (8 * 8 * 4 * 8 + 3 + 3) * 6) + 2 + 3 + 9 * 8
+((8 * 6 + 4 + 5 + 6 * 3) + (8 * 8 * 7) * 2 * 6 * 3 * 7) * (4 + 7 * 4) + 4 + 2 + 3 * 9
+7 * 4 + 5 + 3 + (4 * 3 + (6 * 8 * 5 * 5 + 4) + 9 * 3 * 8) * 9
+2 + (3 + 3 + 6 + 2) * 5
+9 + 8 + 9 + 4 * ((2 * 2 * 4 * 9 * 4) * (3 + 5 * 7 + 9) + (7 + 9 * 2 * 7 * 3) + 7)
+8 + 3 + 2 * (2 * (7 * 5))
+(8 + 5 * 8) * 8 + 4 * (3 * (5 * 3)) * 7
+(3 * 9) * 8 + (3 * (9 + 3 * 2 * 7 * 9) + 8 * 9) * 4 * 7
+8 * 7 * (3 + 4 + (5 + 7 * 4 + 2 + 7) * 7 + 8 + 9) + ((8 + 3) + 3) * (9 * 2 + (7 * 6 + 3 + 3 * 2) + (8 * 6 + 8 * 8 * 4 * 9)) * 4
+5 * (3 + 5) + 5 * 7 * 4
+(5 * 5) * (5 * 4 + 8 + 6 + (2 + 6 + 2 + 6 * 4 * 8) * 6) * 7 + 3
+(6 * 9 + 8 + (9 + 8 + 2 * 4 * 2 + 3) * (8 + 6 * 9 + 9)) + 9 * 5
+(3 + (2 + 6 * 5 + 9 * 4) * (2 * 4) + 2 * 3) + 4 + 6 + (7 + 2) * 6 + 4
+5 + (4 * 2 + 7 * 6 + 6 + 3) + (7 + 7 * (8 * 3 + 8 * 4 + 4 * 2) + 7 * (8 + 2 + 9 * 6 + 4))
+(7 * 4 + 7) + ((6 + 7 * 3 + 7) * 9 + (9 + 6 + 3) * 9 + 9) * 2
+8 + (5 * (3 * 2 + 7 + 2) + (7 + 6)) * 9
+8 * (6 + 5 + 8 * 3 * 8 * 6) * 8 * 9 * ((4 * 5) * 2 * (2 * 3 * 8)) + 5
+5 + 5 + 5 * 2 * 2 + 4
+(3 + 3 * 5 * 3 * (2 + 9 * 4 + 2 + 2 * 6)) + 4 + (8 * 9 + (9 * 8) + 9 + 7)
+(9 * (3 + 2) * (8 * 8 * 5 * 4) * (9 * 4 + 8)) + 8 + 6 + 3 * 8
+(2 * 2 + 9) + 5 * 8 * (3 * 4)
+6 * 9 + 3 * (9 + 8 + 7 * (6 * 9 * 4 * 2)) + 4
+((6 + 9 + 9 + 6) * 2 * 8) * 3
+4 * (4 * (8 + 5 * 2 * 2 + 3 + 4) * (8 + 3 * 5 * 5)) * 9 + 3 * (6 + (9 + 2) + 8 + (2 + 3) + 7 * 6) + (4 * 4)
+(8 * 8 * 5 + 2) * 9 * 8 + 8 * 4 * 2
+4 * 9 + 8 + 4 * 6
+4 * ((6 + 2 * 8) * 9 * 9) + 7 + 5 + 9 + 8
+(4 * 6 * 2 + 9 + 6 + 6) + (4 + 2) + 6 + 3 + (6 + (5 + 7 + 8 + 3) * 7 + (4 * 5 + 6 + 9 * 7 * 4))
+9 * 7 + ((2 * 7 + 3 * 9 + 3 + 9) + (6 * 8))
+(7 + 6) + 9 * 8 * 9 + 6
+3 * 3 * 4 + (2 * 9 * (6 + 2 * 4 + 9 * 8) + (7 * 9 + 4 + 4 * 4 * 6) * 8 + 8) + 5 + ((7 + 7 * 9 * 8) * 4 + 4 + (5 + 5 + 6 + 6) + 4 + 8)
+(4 * 9 + 8 + (4 * 2 + 5 * 3 * 7 * 2) * 5 * 2) * (4 + (8 + 5) + 9 + 3 * (9 * 4 * 5 + 4 + 2)) * 3 * 3 * 9
+(5 * (7 * 2 + 9 * 2) * 6) + 9
+((3 * 2 * 6 + 3 * 7) * 6 * (9 + 6 * 7 + 4 * 5) + 6 * 9 * 3) + ((6 + 3) * 3 + (5 * 5 + 7 + 5 + 4) + 2 + (9 + 2 + 9 * 2) + 2) + 6 + (6 * 7 + (7 * 3 * 5) * 2 + 3 * 7) * (6 + (8 * 6 + 4 + 6 + 2 * 8))
+8 * 3 + 2 * (6 + (2 + 9 * 8) * 2 * 9)
+(9 * (7 + 3 * 8 * 5) + 7 + 3 + (4 * 2 * 3) + (7 + 2 + 2 + 3 * 7)) + 5 * ((6 * 5) * (9 * 4 * 8 * 2 * 2 * 5) * 9 * 2)
+5 + ((2 * 4 * 9) * 6) + (9 + 7 + 2 * (2 + 5 + 6 + 2)) * 9
+9 * 6 * (9 + 5) * 2
+9 * 2 * 2 + 6 + (8 + (5 * 5 * 6 * 6 + 4 + 7) + 6) + ((3 * 7) * 4 * (2 * 6 + 9 + 2))
+(2 + 4) * 5 + 5
+(7 + 8 * 2 + 5 + 3 + (3 + 4 * 9 * 9 + 4)) + 2 * 8 + 3
+3 + 9 + 5 + (8 + 3 + (9 + 8 * 6)) * 8
+8 * (6 * (2 * 3 + 5 + 9 * 7 * 8) * 2 * 5 + 5) + 7 * 2
+3 * (3 + 3 + 2) * 6 * (8 * 6 + 5)
+6 + (8 + 2 + 5) + (5 + 4 * (3 + 3) + 3) + 4 + 9
+(5 * 5 * 3) + ((4 * 4 * 9 + 8) + 9) * 2
+2 * (4 * 3) * 2 + 3
+7 * 2 * 5 + 4 + 5 + (8 * 7)
+3 + (4 * 6 + 4 * 8 * (6 + 7 * 7 * 7 + 5))
+3 * (8 + 5 + (6 + 6 * 8 * 7 + 6 * 8) + 3 + 2 * 5) + 3 + 9 + 6 + 5
+6 + (2 * 6 * 4 * 9 + 4) * (9 * (7 * 4 + 4 * 5 + 2))
+(7 * 3) * (5 * 6 + 9 * 6) * 2 * (9 * 7 + 7 + (2 * 4 * 6 + 9) + 9 + 9) * 4 * 4
+(4 * (8 * 3 + 3 * 2) * 7) * 2 * 3 * 9 * 5 * (3 + (2 + 9) * 5 + 7 * (6 + 9 * 2 * 2 + 9) * 9)
+3 + 9 * 7 + ((3 + 4) + (4 * 3 * 4 * 2 + 2) + 9 * 4)
+3 + 6 + 2 + ((2 * 9 * 4) + 5 + 5 * 5 + 8 + 4) * (7 * (9 + 5 + 7 + 5 * 2 + 7)) * 3
+5 * ((2 * 9 + 8) + 4 * 7 * 5) * (5 + 5 + (9 + 8 + 7 + 5 + 5) + 2 + 8) + 7 * 6
+9 + ((7 * 3 + 4 + 3 * 3 + 7) * 5) + (8 + 2 * 6 * (8 * 9) * 4 * 7)
+4 + 3 + 6 + 3 * 5 + (8 * 4 * 2)
+(9 + (2 * 4 + 6 * 3) + 7 * (4 + 6) + 3 + (6 + 2 + 8 + 9 + 5 * 7)) + (9 + 3 + 4) * 3 + (8 * 4) + 9
+8 + 8 * (6 + 9 + 2) * 6
+4 + 7 + (3 + 4 + 5 + 7) + (5 + (9 + 6 + 8 + 7 * 3) * 3 * 7 * (2 * 4 + 3 + 6) + (8 * 9 * 2 + 6 * 6 * 5))
+(2 * 7 + 4 + 8 * 8) + 3 + 7
+(4 * 3 * 4 + 3 + 8 + 5) + (8 * 6 * 5) * 9 * 7 * 7 * ((7 * 5 + 8 * 4 + 2) * 8)
+4 + ((9 * 9) + (6 + 2)) + 9
+((8 * 3 + 3 * 6 + 5) * 5) * 6 * 8 + 5 * (3 + 9 + 5)
+8 * ((9 + 6 + 3 * 2 + 4) * 9 * 3 * (6 + 7 * 6 * 2)) + (3 * 4 * (3 * 9) + (9 + 9)) + 2
+8 * (6 + (6 * 6 + 5 * 4 * 2) + 7 + 5 * 5 + (8 + 9)) + 3 * (4 * (9 + 4 * 9) * (2 * 6 * 4 + 3 + 2) + (7 + 3 + 5 + 6)) * 5 + (3 + 9 * 6 + (3 * 4 * 8 + 7 * 7))
+5 + 8 * 3 * 8 + 9
+3 + (4 * 8 + (5 + 5 + 3 + 9 + 2 + 6)) + ((4 + 9) + (8 * 7 + 3 + 6 * 6) + 7)
+(2 * 2 + 7 + 2 * (9 * 2)) * 3
+7 * 3 + 2 + 9 * ((2 + 2 + 3 * 4 + 2) + (4 * 9 * 5 + 9 + 8) * 3)
+(8 * 6 + 4) + (7 + 8 + 3) + 4 + 9
+(4 * 6 * 5 * 6) + (2 * 4 * (5 * 9 * 8 + 7) * 2 * 3 + 6)
+(6 * 5) * (3 + 2 * 3 * 9 * 4)
+9 + 4 + (3 + 3 * (7 + 2) * 5) * (5 + 8 + 5 * 8 * 2)
+(3 * 4) + ((3 + 4 * 9 * 7 * 5) * 6 * 8 + 6) * 5
+3 + (8 * (8 * 7 * 2) * 8 * 3 + (9 + 9 + 5) * (3 * 4 + 3)) + 5 * 7
+6 * 3 + 8 + (7 * (5 + 8 + 9 + 5 * 6 * 3) * 3 * 8 * 6 + 5) + 6
+7 * 8
+3 + 7 * (7 + 9 * 4 * 2 + 9 * 7)
+(4 * 7 * 4) * (3 + 5 * 6 * 6 * 2 + 6) * 8
+8 * 5
+(7 * 8 + 4 + 8 * (4 + 7 * 5 + 7 * 5)) * 3 + 3 * 8 + 9 + 6
+8 * (8 + (5 * 5 * 5 + 9) * (8 + 6)) * (6 + 2 * 9) * 2 * 3 + 6
+(6 * 8 * (5 + 2)) + (3 + 6 + (9 + 9 * 2) * 3) * 8 * 4 * 7 + 8
+(3 * 9 * 2 + (8 + 8) + 9) + 2
+(8 * 2) * (8 * 6 * 4 + 6 + 3 + 3)
+7 + 5 + (3 + 2 * 2) + 5 + (6 * 8) * (7 + 6 + 6 * 9)
+(3 * (2 + 9 * 5 * 8 * 7) + 9 + 4) + 9 * 5
+5 + 3 + (5 + 8 + 4 * 5 + 8 + (5 * 3 + 7 * 6 + 3 * 8)) * 2 + 7 + 3
+(5 + 6 + 7 * (9 * 7 * 2 + 3 + 8) * 8) * 4 + 2
+6 + (2 + 5 + 2 * 7 * 7 + 6) * 8
+8 * 8 + (7 * 4 + 2 * (6 + 5 + 2) + (3 * 2 + 8 + 9 * 7)) * (3 * (2 + 9 + 9 * 4 + 2 * 9) * 4)
+(5 + 8 + 8 * 8 * 9 * 6) * 3 + 5 + 7
+8 + 5 + 6 * ((6 + 7) * 5 * 2 * 9 * 3 + 2) + 2 * 4
+(8 * 4 + 5 * 7 * (7 + 7 + 3 + 7 + 9) + 9) + (3 * 2 + (7 * 7)) * 2 * 6 * 2
+4 * 6
+(9 + 8 + 2 * (9 + 7)) * 4 + 2 + ((6 + 9 * 3) + 5 + 5 + 4 + 2 + 8) * 2 * 6
+(8 + (4 + 9 + 9) * (7 + 6 * 4 * 5 + 7) + 3 * 2 * 5) * (9 * 5 * (2 * 7 + 2 * 6)) + 3 + 8 + 3
+3 + (7 * (4 * 2) + 7 * 5 + 8 + 6) * 4
+8 * 7 * 5 * 4 + (2 * 7 * 6)
+8 * 9 * 5 * ((6 * 4 * 5) + 4 + 2 * 5 * (4 * 4 * 7 + 4 * 6 * 6))
+8 + 8
+4 * 3 * 7 + 8 + (8 * 7 + 5 + 7 * 3)
+(9 + 4 * (6 * 2 + 5 * 6)) + 7 + 7 * 6
+3 * (8 * 6 + 3) + 2
+9 + ((7 * 8) + 6 + 5 + (4 * 4 * 9 * 5) * 8)
+7 * (9 + 8 * 3 * 3)
+2 + ((6 + 7 + 8) * 4 * 4 * 3) + 6 + (7 * 2 * 4 + 4 * 6)
+2 + 2 + 6 + 9 * (8 * 2 + 2 + (7 * 8 * 5 + 5) * 7 * 3) + 8
+(5 + 6 + (9 * 8 + 7 + 2 * 3 * 2) + (9 + 9) * (3 * 3 * 6 * 2 * 3 + 6)) + ((9 + 3) + 2 * 4) * 7 + 2 + 2
+(4 * (6 * 8 * 5) + (9 + 2)) * (2 + 8 + (2 + 9 * 7 * 5 * 2) + 6 + 8) + 8 + 2 * 4
+9 + 3 * 7 * 8
+(6 + 4 + 7 * 6 + 9) + 4 * 4 + 9 * 9
+(8 + 9 + 9) * (5 * 6)
+7 + (9 + 4 * 2) * 6 + (9 * (4 + 2)) * 7 * (2 * 7 + 5 + 2 * 6 + 2)
+4 + 5 * 4 + 5 * 7 * (8 * 5 + 5 + (4 * 8 * 7 + 8) * 3)
+8 + 5 * (8 * 3 * 5) * 9 * (4 + 6 + 6 * (5 * 9 * 9 + 5 * 7 + 2)) * 8
+(7 * (6 * 9 * 8) + (8 + 4 * 7 * 2 + 4) + 8 * 3 + (6 + 6 * 3)) * (4 + 4 * 8) * 8 * 7 * 2 * 4
+(9 + 5 * 5 + 6 + 3) * 9
+8 * (7 + 6 * 9 + 4 + 9) * 2
+((9 + 6 * 4 + 7 + 3 + 7) + 5 * 9 + (3 * 9)) + 3 + 7 * (7 + (4 + 5 + 3 * 5)) * 9
+2 * 6 + 4
+(6 + 6 + 5) * (5 * 8 + 6 * 5) + (9 * (7 * 6 + 3 * 3 * 4 + 7) + 7) * 4 * 4
+8 + 6 * 4
+(3 + 3 + (4 * 6 + 5 + 9 + 7) + (8 + 6) + 8 + 2) * 5 * 6 + 7 * 7 * (9 * 5 * 8 * 7 * 3)
+((2 + 6 * 8) * 2) + 7
+6 * 2 * 3 + (4 * 5 * 4 + 2)
+6 + 4 * (4 + 3 + 2 + 8) * 5 * 4 * 5
+2 * 4 * 2 + 7 * 4 + (5 + 7 + 3 + (7 * 6 + 8 * 8 + 7) + 4 + 3)
+8 + 8 * 7 * (4 * 9 + (9 + 4 * 7 * 6)) * 7 + (4 + 4 * (3 * 2))
+9 + 6 + (8 * (2 + 8) + (3 + 2 + 2 * 4))
+(4 + 4) + 3 * (9 * (6 * 6 * 4 * 8) + (3 * 8 * 5 + 2 * 2 + 3) * 9 + (8 * 5 + 4 + 8 + 2 + 9)) * 4
+(3 + 8 * (2 + 2) + (9 + 6 * 3 + 3 * 7 + 5) + 7 + 2) + 8 * 6 + 7
+7 * 9 + (7 * 3 + (9 * 4)) + 5
+((9 + 7 + 3 * 6 + 9 + 3) + 9 + (4 * 8)) + 9 + (3 + 8 + (7 * 4) + 3 + 9 * 4) * 9
+(4 * 8 * 5 * (5 * 5 + 7 * 6 + 2 * 7) * (9 * 6 + 4 * 2 * 2 + 8) + 7) + (4 + 6 + 9 * 8 + 2) + 9
+8 * (9 + 9 * 6 + 2 * 5 + 2) + 7 + (9 * 8 * 9 * (6 + 5 * 6)) * ((6 * 9 + 2 * 8) * 6 + 5 + 6) + 2
+(9 + (2 + 2 * 4 * 6) * (6 * 4 * 4 * 7) + (6 * 7 + 9 * 9 * 6 * 8) + 4) * (5 + 5) + 5 + 5 + ((6 + 8 * 2) + 8) + 6
+8 + (6 + (3 * 7 * 3 + 5 + 4 + 5) * (4 * 7 + 5 + 5 * 4) * 4) * 8 * 7 + 5
+6 * 2 * 7 * 4 * (3 * 9 * 7 * 2 + 7) + 5
+9 * ((6 * 2 * 4 + 3 + 8) * 8) * 2 + 7
+(7 + (7 * 6 * 3 * 6 * 6 * 7) + 8 + 9 * 7 + 6) + 5 * 5 + (3 * (5 * 3 * 5 + 6 * 2 * 6) + (2 + 9)) * 3
+((6 * 7) * 6) + 4
+6 + 6 + 9 + 7 * (8 * 2 * (7 * 7 + 9) + 2 * 4) + 6
+2 + 4 * (2 * 8 + 2) + 3 + (3 * 9 * 2 + 5 + 5 * (3 * 3))
+6 + 8 + (6 + 6) * 3 + ((6 + 7 + 4 * 5) * (9 + 3 + 3)) + (3 * (3 * 8 * 4 * 7) * 6 * 2 * 4 + 6)
+3 * 9 + (3 * 6 + (2 * 9 * 7 * 5 * 8) * (6 * 9 * 7 * 7 * 3) + 6)
+7 + (8 + (3 + 3 + 2 + 4) + (8 * 7 + 8) + 9)
+4 * ((7 * 4 + 3) + 9 * 4 * (3 + 5 * 6) + 8 + 6) * 8 * 8
+9 + 9 * 2 + 2 * 6
+(5 + (9 + 4 * 5) * 9) * 7 + 8 * 7 + 5 * 8
+(3 * (6 + 8 * 7 * 8 + 3) + 9 * 7 + 6) + 9 + 3 * 3 * ((3 + 5 + 3 + 4 + 8) + 2 * 4)
+((4 + 4 + 4 + 9 * 7) * 7 + 9 + 2 * 7 + 9) * 5 * 5 * 8 * (4 * 8 * 4 + 8)
+(5 + 5) + 3
+4 * ((5 * 8 + 9) + 8 * 9 * (2 + 4 * 9 + 5 + 8 * 2) * 2 + 6) * 5 * 8
+5 * (7 + 7 + 7 * (6 + 5 * 5 + 2)) + 3 + 3 * 3
+4 * (9 * (3 + 3 * 9 * 2) * (8 * 3 + 6 + 3 + 3) * 5 + 5 * 8) + (3 * 4 + 8 + 2) + 8
+(4 * 8) + 9 * (6 + 2) * 3
+9 * 7 + (2 + 3 + 4 + (2 * 2) * (5 * 4 * 5 * 3))
+5 + ((4 + 8) * 9) * 9 * 5
+9 + (5 + 8 + 9) + 5 + 4
+(6 + 6 + (6 + 4 + 7 * 7) + 9) + 9 + (5 * 6 + 9 + 4 + (4 + 2 + 5 + 2) + 7) * 4 + 6
+(4 * (6 + 5 * 6 * 5) * 5 * 3) + 5 * 6 * 9 + 4 * 8
+(8 + 2 * 2 + 8) + 2 + ((2 + 9 + 3 + 7) + 8) * (3 * 9 + 3 + 8) + 2
+2 * 2 * 4 * 5 * 6 * 8
+2 + 8 * 7 + 3 * (5 * 8 + 6 + 3 + 4 + 7) * 5
+3 * (4 * 3 + 5 + 8 + 8) + 2 * 9 * 9 * 4
+((7 * 4 + 5 + 8 * 5) * (2 * 8 + 3 + 5) + (7 * 2 + 9) + 9) * 3 + 9 + 9 * 9
+4 + 9 + (7 * 7) + 5 + (8 + 2)
+((8 + 2 * 3 * 2 * 4) + 8 * 8) + 2 + 3 * ((7 * 6 + 6 * 4) + 9 + 9 * 8) * 5
+(5 * 7 * 7) + 5 + (4 + 7 + 5 + (4 + 7 * 9) + 9 * 9) * 2
+5 * 9 * (8 + 6 * (5 + 5 + 6 * 8) + 8 * 4) + (7 * 8) * 8
+4 * (2 * (7 + 7 * 7 + 8 * 9 * 2) + 8 * 2 + 6)
+((5 + 2 * 3 * 4) + (2 + 5 + 3 + 3) * (2 * 5 + 8) * 8) + 4 + 8 + 7 * 9
+(9 + 7) + 8 * 9 * (9 + 2 * 6 + 8) + 4
+(9 + 7) * 5 * 7 * (4 + 6 * 4 * (6 * 7 + 5 * 3)) * 8 + 3
+7 * (3 + 2) * 2 + 9 * (8 + 9 + (8 + 9 + 6)) * 8
+(5 * 8 * 9 * 9) + 4
+7 * 5 + ((3 * 2 + 4) * 5 + 7) + ((7 * 3 * 8) * 4 * 7)
+(9 + 9) + (6 * 6 * 7) + 6 * 3
+3 + 9 + 9 * 5 * (7 + 3 * (4 * 5 + 9) * 5)
+3 * 8 + 9 * (2 + (2 * 3 * 7 + 8 * 4) + 9 * 8 + 7) * 7 * 4
+4 + 9 * (7 * 9 + (5 * 9 + 8))
+(2 * (7 * 5 + 6 * 6 + 5 * 2) * 5) * 5
+((8 + 2 + 6) * (5 * 3) + 8) + 7 + 7 + 7 * 9
+(3 * 3 * 8 + 9 + 3 * 3) + 4
+7 * 8 * 6 + 3 * 2 + 3
+7 * 3 + (2 * 3) * 5 + 6
+9 * (6 * (4 + 2 * 8 + 6) + 5 * 2 * 2)
+(4 * (4 * 6 + 9) * (4 * 2 * 4) + 3 + 3) + ((4 + 8) * 2 + 6 * 9) * 6 + 9
+5 + (4 * (5 + 7 + 5 + 7) * (9 * 3 * 9 * 7))
+6 * (5 + 9 * 8 + 5 + 8) * (8 + 2)
+(8 + 3) * 6 + (8 + 2 * 5 * 2)
+(6 + 6 * (8 * 6)) + ((2 * 5 + 3 + 5 + 5 + 8) * 8 * 4 * (6 * 8 + 7 * 9 + 5) * 8)
+5 * 4 * 5 * 9 + 2 * 4
+8 * 7 * (5 * (6 + 7 + 9 + 3 + 9 + 5) + (6 * 3 * 3) * 4 * 6)
+2 + (8 * 6 + 9 * (7 * 8 + 6 * 3 * 6 + 5) + 6 + (7 * 4 + 4 * 7)) + 9 + 5
+7 + 9 * 6 + (5 + 8 * 6 + 9) + 6
+(2 + 4 * (5 * 9) + 5) * 8 * 4 * 5 * 8
+8 + 7 + 5 + 9 * 7
+3 * 4 * 5 * 8 * (4 * 3)
+(4 + 8 + 4 * 5 * (2 + 5 + 9 * 7 * 2 + 7)) * 3 * 5 * 2 + 5
+7 + (4 * 8 + 9 * 3) + 6 * 3 * (6 + 5 + 7 * 3) * 5
+((9 * 6) + 8 * 6) + (9 + 9 * 6 + 9) + (8 * 6 + 5 * 4 + 3) + 5 * 4 * (6 + 5 * 3 * 9 + 6 + (5 + 8 * 2 + 7))
+(7 + (5 + 8 * 2) + (4 + 8 * 7 + 9 * 5) * 9 * 5 * (2 + 8 * 9 + 3 * 2 + 5)) * 9 + 5
+(7 + 8 * 7 + 7 * 8 * 9) + 7 + 6 * 5 * (5 * 4 + 5)
+4 * (2 + 4 + 4)
+(3 * (9 * 8 + 6 * 4 + 6)) + 5 * 3 + 2 + (4 + 5 + 8)
+6 + 6 * 6 + ((7 * 4 + 7) * 6 + 9)
+6 + 6 + (2 + 4 + 5 + 5 * 9) * 2 * 4 + (3 * 8 * 6 + 9)
+(2 + 7 + (5 * 5 * 7 + 8) * 5) + 4 + 3
+(7 * 7 + 8 + 9) * 2 + 5
+5 * (5 * 2 + 2 * 9 * 5) + (2 + 8 * 3 * 4 + 2 * 8) * 8
+2 * 6 * 4 + (8 * 9 * 8 * 4 * 3) + 7 + 3
+(9 * 4 * 8) * 5 * (5 * 7 * (3 + 3 * 6 * 2) * 5 + 7 * 2) + (2 + 8 * 2) * 2 + 5
+5 * (7 * 2 + 6 * 9 * 3 + (3 + 2 + 6 + 7))
+(2 * (4 * 2) * 7) + 3
+5 * (3 + 2 * 5) * 5 + 8 + 3
+(5 + 6 + 6 * 2) * 5 * (5 + 8 + (9 * 8 * 4) + 9) + 9 * 7 * (3 * 8 * 8 * 3 * 8)
+((7 * 9 + 8) + 6) * ((9 + 7 * 8 + 6) * (4 * 4 * 4 * 8 + 5 + 6) * 8 * 7 + 4 * (2 * 2 + 3))
+(5 + (4 + 7 + 8 + 6 * 8 + 5)) + (8 * (7 + 4 * 7) * (8 + 8 * 5 * 6 * 4) + 9 + (3 + 4 * 6)) + 3 + 2 + 3
+8 + (8 * 7 + 5 + 3) + 7 + (8 + (5 * 5)) * 6
+2 + 4 + 4 * 9
+7 * 4 * 2 + 4 + 3 + (8 * 6 * 6 + (5 * 2 * 6 * 9 * 7) + 7)
+8 * (5 * 3 + 2 * 6 + (6 * 5 * 4)) * 8 + (4 * (2 + 7 * 3 + 9) + (2 * 3)) + (4 * 3 + 6 * 3 * 7 * 3)
+9 + 6 * (3 * 9 + 2 + 3 + 6) + 5
+(9 * 6 + 8 + 8) + 8 + 6 * 9
+((6 * 9 + 2 + 8 + 4) + 6 * 7 + 8 + (2 + 5 + 7 + 5 + 3 * 8) * 5) * 6 + (2 + 4) * 7 + (3 + 2 * (4 * 8 * 5) * 2 + 7 * 9)
+(2 + (5 + 9 * 7 + 6) * 2 + 7 * (4 * 6)) * 9 * (7 + (8 + 5 * 3) + 3) * 5 * 3 * 5
+(7 + (8 + 5 * 7 * 2)) + 2 * 7 + (2 * 5 + 7) * 8
+4 + 8 + (2 + 9 + 4)
+((3 + 7) + 7 + 5) + 2
+6 + 8 + 9 * 2 + 9 + (6 + 4 + 3 * 4)
+(9 + 2) * 7 + 7 + (3 + 4) + (8 + 3 + 3 + 5) + (2 * 7 + 5 + 4 + 3 + 8)
+3 * ((7 + 9) + 5 + 9 * (9 + 6) * 3 * (9 + 2))
+(7 * 3 * (5 + 2 + 5 + 8 * 3 + 7) * 3 * 3 * 6) * 4 + 8 + 3 * 5
+4 * (5 + 7 * 6 * 5 * 2) + 6 + 3
+7 * 6
+9 + (2 * 7 * (8 + 2 + 5) * 8) + (7 * 8 + 9 * 7)
+(4 + (8 * 5 * 9) * 2 + 8 * 4 + 4) + ((3 * 9) + 6 * 3 * (3 + 9 + 6 * 2 + 5) * 7) * (2 * (5 * 5 * 2 * 6 * 9)) * 6 * 9
+(7 + (4 + 9 * 2 + 8)) * 6 * 8 + 7
+8 + (8 + 5) * (3 + 3)
+5 + 3 * 9 + 2 * (3 + 7 * (6 + 2 * 4 + 3 + 3) * 5)
+5 * 9 * (3 + 9 * (4 * 6 + 2 + 3 + 3) * 4 + 8 * 4) * 8
+3 * (9 * 8 + 4 + 5) + ((2 * 6) * 2 * (3 + 6 + 6) + 3) * 7
+8 * (6 + 4 * 8 * 8 * 4)
+(6 + 8 * 8 * 2 * (2 * 9 * 3 + 3) + 7) * 5
+4 * 5 * (3 + (9 + 3 * 6 + 9 + 7) * 5 * (2 * 4 * 8 * 2) + 6 + 2) + 5
+2 * 5 * (8 * 5 * 4) + (7 * 2) * (7 + 5 + 6 * 6)
+5 + 3 * 3 * 7
+9 * (3 + 7 * 3 + 7) * 2 * (6 * 7 + 3) + 4 + 5
+4 + 6 + 7
+9 + 2 * (6 + 5 * 5 + 4) * 6
+5 * 7 * (5 * 9 + 4 * 3 * (7 * 6 + 3 + 3 * 6 * 9))
+9 + ((3 * 7 * 9 * 6 * 5) * 6 + 9 * 4 * 8 + (6 * 5 + 7 + 9 * 3)) + 3 * (9 + 2) + 3
+7 + 3 + 6 * 6 * (7 * 4 + 9 + 7) + 4
+6 + 8 * (7 + 2 + 2 * 7 + (8 * 9 * 2 * 7)) * 2 * 9 + 7
+(9 * 6 + 7 + 2) + 3 * (4 * 2 * (3 * 6 + 5 + 3 * 8 + 6) * (3 + 4 + 9 * 7 * 2) * 7 * 9) + (6 * 6 + 4) + 5
+8 * (3 * 9) * 6 + (5 * 2 + 9 * 3) * 4 + (5 * 7)
+7 + 4 + (7 + 6 * 7 * 8) * (8 * 3 + (4 + 5 + 3 * 9 + 6 + 5) + 8 * 5 + 5) * 3
+4 * (4 + 9) + (7 + 5) + 3 + 7 + 9
+3 + (8 * 9 * 3) * 9 + 2 * (7 * 4 * 3)
+6 * 2 + ((2 + 4 + 5 + 8 + 2 + 6) + 8 * 9) * 9 * 5 + 7
+6 + ((3 + 2 + 9 + 9) + 8 * 2 * 6 + 4) + 3 * 6 + 4 * 9
+(3 * 5 + 7) + ((7 * 7 + 5 + 8 * 3 * 2) + 9 * (9 + 4 * 3 + 7) + 6) + 7 + 3
+(4 * (3 * 7 + 9 * 2 + 6)) * 5 + 9 + 7 + 4 + 7
+8 * 5 * 4 + 7 * (4 + 7 * (9 + 6 + 2 + 9)) + 9
+8 + 4 * 3
+7 + 2 + (4 * 3 * 9 + 9 * 7 * 9) * 7
+3 * 6 * 9 + (4 + 9 * 4 + 3) * 3 + 6
+3 * (3 + 7 * 6 + 4 * 4) * (9 + 5 * 5 + 6 + 7 * 5) * (3 + 7) + 4
+9 + 6 * ((3 + 7 * 6 + 9 * 4 * 4) + 5 + 5 * 3 + (4 * 6 + 3 * 5)) * 8
+9 + (5 * 9 + 2 * 4) + ((9 * 8 * 5 * 5 + 8) + 5 * 6 * 6)
+(4 * (8 + 5 * 4) * 9 * 9 + 5 + 5) + 4 * 7 * 8
+3 * 5 + (5 * 4 + 9 * 8 * (6 + 4 * 9 + 4 * 7) * 9)
+((4 + 4) + (6 * 2 + 9 + 3 + 5 + 7)) * 3
+6 * (9 + 8)
+6 + 8 + 5 * 7 + (2 * 6 * (6 * 5 * 4 * 6 + 8 * 9) * (9 + 6 * 5 * 9 + 7 * 8) * 8)
+((9 * 3 + 8 * 4) * 2 * 9 + 7) + 3 + 7 + 6 * 3 * 7
+(2 + 8 + 7 + 5 + 6 * (8 * 4 + 2)) + 8 + 4 * 4 * (3 + (2 * 6 + 6 * 9 * 8) * 9 + 9 * 5 * (4 + 6 + 3 + 5 * 9)) * 4
+9 + 4 * (5 + 4 + 7 * (8 + 8 * 2 * 8 * 2 + 3)) + 6 * 3 * (6 * 7)
+(7 + 9 * 6 * (9 + 7 + 6 + 4 + 4 + 5)) * 4 + 5
+8 + (8 + 2 * (4 + 5 + 5 + 5 * 3 * 8) + (5 * 6) + 3 + 2) * (7 * (4 * 5) + 3 * 5 * 4)
+3 * ((4 * 9) + 3 + 8 * 7 * 4) * 4
+5 * 9 + 8 * 4 + 2 * 3
+2 * 9 * 4 + 2 * ((3 + 8 + 7 * 9) + 7)
+(7 * 3 * (8 + 3 + 2 * 5 * 9) * 9 + (7 + 2 * 9 + 5 + 2) * 6) * (9 + 6 + 4 * 9 * 6 + 6)
+7 * 5 * 5
+(4 * 7 * 6 * 5) * ((7 + 5 * 3 + 4 * 2) * 5 * 9 + 5 * 6) + 3 * 8 * 5 + 9
+6 * 6 * (4 + 5 + 6 + 9 + 6 * 3) + 4 + ((7 + 5 + 6 * 7) * 9) * 5
+3 + 6 * 9 * 5 + 3 * ((9 * 7) * (6 + 8 + 5 + 7 * 8 * 7) + 4 + 4 + 4 + (6 * 7 + 4 + 2 + 5 + 9))
+9 * ((4 * 2 * 6) * 7 + 4 + 6) + 4 * 4
+6 + 8 + 5 * 4 * ((2 + 2) * 6 * 9) + 4
+(8 * 4 + 8) + 3 * 4 + 7 * 9 + (5 * (8 * 7 + 2 + 3 * 4) + 2 + 3 * 8 * 8)
+7 * 9 + ((2 * 9 * 6 * 6) + (6 * 2) * 7 + (8 + 3 * 6 + 4 * 5)) + 8 * 9
+8 + ((3 + 3) + 7) * (4 + 3 * 3 * 7 * 7 + 9)
+(9 + (4 + 6 + 7) + (4 + 4 * 4) + 6 + 4) * 3
+4 * 6 * ((8 + 3 * 3) + 7 * (5 * 7 * 3) * 3 * 8) * 5 + 2 * 3
+((6 * 5) + (7 + 6 + 7)) + 2 * 3 * 2
+5 + 3 * 8 + 4 * (9 + (2 + 7 + 7 * 3 + 8 * 2) + 2 + (3 + 6 * 7 + 5))
+2 + 7 * 4 * 7 * (7 + 3 + 9 * 5 * (5 + 6 * 6)) + 3
+((2 * 2 + 7 + 2 + 4) * 7) + 2
+6 + 4 + 3 + ((9 + 5 + 2) * 4) + 9
+8 + ((3 * 8 * 7 + 6) * 3 + 6 * 2) * (4 + (2 * 8 * 2 + 9) * (7 + 4 + 7 * 5 + 7) + 3) * 4 * 5
+4 * (8 * 2 + 8) + ((5 + 5 + 3) * 6 + 5) * (7 * 9 + 7) * (9 * 5)
+2 + (9 * 4) + ((7 * 3) + 8) + 7
+4 + 6 * (9 * 2)
+(8 + 6 + (7 * 2) * 3 + (9 * 2)) + 5 + 8 * 3
+7 + (4 + 5 * 2 + 8 * 7 + 5) * 4 * 4
+4 * 4 * 6 + (7 * 3)
+(9 * 6 + 4 * 6 + (3 * 5 * 2 + 5) * 9) * 2 * (8 * (4 + 9 * 7 + 8 * 2 + 2)) + 5
+8 + 2 * 7 + 5 * (4 + (8 * 9 + 5 * 5 + 6) + 4 + 3)
+5 * (3 + (8 + 5 * 2) + 2 + 6 + 7) + (7 * (9 + 4) + 8 + (8 + 9) + 6) + (7 * 6 * 5 + 6 * (9 * 3 * 9 + 4) * 8) * 4 * 4
+2 + 7 * 8 + ((5 * 3 + 6 + 5 + 4 + 4) + 2 + 9 + 4) * (8 * 2) + 8
+8 * 9 * 2 + 4 * (7 * 5 + 8 * 5 * 4 + 5)
+(3 + 9) + ((3 * 2) + 5 + 4 * 8) + 3 * 9 + (3 + 7 + 7 + (5 * 7 * 7 * 9) + 5 * 8) * 5
+3 * 6 + 3 + 7 + (8 + 7) + 7
+6 + (7 + 5 + (2 + 8 + 3 * 4 * 3) + (9 + 6 + 4 * 2)) * 4 + (9 + 9 + 3 + 7 + 4 * 4) + 6 * (9 + (7 * 8 * 2))
+8 + (7 * 6 * 5) + (4 + 3 + 2 + 9) * 6
+6 + 7 * (7 + 3 + 3 + 9 * 2)
+(8 * (4 + 3 + 5 + 9 + 3) * 3 + 3 + (9 * 7 + 9 + 9 + 4 + 7)) * (3 * 3 * 3 + 6 * 9) + 2
+(2 + (4 + 8 + 6 + 9 * 3)) + 2 * 2 * 7
+4 + 5 + ((5 * 7) * 6 + 9 * 4 * 5 * 6) + 6 + 3 * 8
+8 * 7 + 5 + 5
+(3 + (7 * 4 + 3) * 9 + 4 + 7 * 5) + (6 + (3 + 3 * 5) + (6 * 6 * 7))
+4 * 8 * (7 * 7 * 6) + 6 * (2 * 5 + (6 * 4 * 9 + 2 + 5 * 5) * 7 * 5) * (6 * 6 * 7 * 6)
+(4 * 4 + 5 + 9 * 9) + 2 + 2 + 9 * 3 * 5
+((9 + 7 + 6 + 8 + 8) + 4 + 4 * (2 * 5 * 8)) * 4 + 7 * 7 + 4 * (6 + 2 + 7 + 5 * 6)
+9 + 5 + 9 + 3
+4 * 6 * 5 + 3 + (7 * (2 + 5 + 2 * 5 + 9) + (2 + 9 + 8 * 9 + 3 * 3)) * 5
+(3 * 5 * (4 + 2 + 8 + 4 + 7) + 7 * 7) * (6 * 7 + 9 * 7 + 7 + 9)

src/day16.rs

@@ -258,7 +258,7 @@ mod avx2 {
         let mut candidates = [_mm256_set1_epi32((1i32 << rules.len()) - 1); 4];
         let mut scratch_space = [_mm256_set1_epi32(1); 4];
         for line in nearby_tickets.split('\n') {
-            let scratch_slice = &mut * (&mut scratch_space as *mut _ as *mut [u32; 32]);
+            let scratch_slice = &mut *(&mut scratch_space as *mut _ as *mut [u32; 32]);
             for (field, scratch) in line.split(',').zip(scratch_slice.iter_mut()) {
                 let field = field.parse().unwrap();
                 *scratch = rule_eval.eval(field);
@@ -275,7 +275,7 @@ mod avx2 {
             }
         }
 
-        let candidates = &mut * (&mut candidates as *mut _ as *mut [u32; 32]);
+        let candidates = &mut *(&mut candidates as *mut _ as *mut [u32; 32]);
         let candidates = &mut candidates[..rules.len()];
         while candidates.iter().copied().any(|x| x.count_ones() > 1) {
             for idx in 0..candidates.len() {

src/day17.rs

@@ -0,0 +1,6 @@
+use aoc_runner_derive::aoc;
+
+#[aoc(day17, part1)]
+fn solve_d17_p1(input: &str) -> usize {
+    42
+}

src/day18.rs

@@ -0,0 +1,67 @@
+use aoc_runner_derive::aoc;
+use nom::branch::alt;
+use nom::bytes::complete::tag;
+use nom::character::complete::{char, digit1, space0};
+use nom::combinator::map_res;
+use nom::multi::fold_many0;
+use nom::sequence::{delimited, pair};
+use nom::IResult;
+use std::str::FromStr;
+
+fn num(i: &str) -> IResult<&str, usize> {
+    map_res(delimited(space0, digit1, space0), FromStr::from_str)(i)
+}
+
+fn paren_expr(i: &str) -> IResult<&str, usize> {
+    delimited(space0, delimited(tag("("), expr, tag(")")), space0)(i)
+}
+
+fn num_or_paren_expr(i: &str) -> IResult<&str, usize> {
+    alt((num, paren_expr))(i)
+}
+
+fn expr(i: &str) -> IResult<&str, usize> {
+    let (i, lhs) = num_or_paren_expr(i)?;
+
+    fold_many0(
+        pair(
+            alt((char('+'), char('-'), char('*'), char('/'))),
+            num_or_paren_expr,
+        ),
+        lhs,
+        |lhs, (op, rhs)| match op {
+            '+' => lhs + rhs,
+            '-' => lhs - rhs,
+            '*' => lhs * rhs,
+            '/' => lhs * rhs,
+            _ => unreachable!("invalid op"),
+        },
+    )(i)
+}
+
+#[aoc(day18, part1)]
+fn solve_d18_p1(input: &str) -> usize {
+    input.split('\n').map(|line| expr(line).unwrap().1).sum()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_expr() {
+        assert_eq!(expr("2+2"), Ok(("", 4)));
+        assert_eq!(expr("1 + 2 * 3 + 4 * 5 + 6"), Ok(("", 71)));
+        assert_eq!(expr("1 + (2 * 3) + (4 * (5 + 6))"), Ok(("", 51)));
+        assert_eq!(expr("2 * 3 + (4 * 5)"), Ok(("", 26)));
+        assert_eq!(expr("5 + (8 * 3 + 9 + 3 * 4 * 3)"), Ok(("", 437)));
+        assert_eq!(
+            expr("5 * 9 * (7 * 3 * 3 + 9 * 3 + (8 + 6 * 4))"),
+            Ok(("", 12240))
+        );
+        assert_eq!(
+            expr("((2 + 4 * 9) * (6 + 9 * 8 + 6) + 6) + 2 + 4 * 2"),
+            Ok(("", 13632))
+        );
+    }
+}

src/lib.rs

@@ -6,6 +6,8 @@ pub mod day13;
 pub mod day14;
 pub mod day15;
 pub mod day16;
+pub mod day17;
+pub mod day18;
 pub mod day2;
 pub mod day3;
 pub mod day4;