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day08

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This commit is contained in:
Stefan Harmuth 2021-01-27 07:53:50 +01:00
parent 3a9c5d69b0
commit 202647d6f0
4 changed files with 247 additions and 1 deletions
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86
day08/day.go Normal file
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@ -0,0 +1,86 @@
package day08
import (
"fmt"
"strconv"
"strings"
"tools"
)
func shiftRight(display *tools.GridToggle, row, maxCol int) {
buf := display.State(maxCol, row)
for x := maxCol; x > 0; x-- {
display.Set(x, row, display.State(x-1, row))
}
display.Set(0, row, buf)
}
func shiftDown(display *tools.GridToggle, column, maxRow int) {
buf := display.State(column, maxRow)
for y := maxRow; y > 0; y-- {
display.Set(column, y, display.State(column, y-1))
}
display.Set(column, 0, buf)
}
func printDisplay(display tools.GridToggle, dimX, dimY int) {
for y := 0; y <= dimY; y++ {
for x := 0; x <= dimX; x++ {
if display.State(x, y) {
fmt.Print("#")
} else {
fmt.Print(" ")
}
}
fmt.Println()
}
}
func buildDisplayFromInput(input []string) tools.GridToggle {
dims := strings.Split(input[0], ",")
dimX, _ := strconv.Atoi(dims[0])
dimY, _ := strconv.Atoi(dims[1])
dimX--
dimY--
display := tools.NewGridToggle()
for _, instruction := range input[1:] {
parts := strings.Split(instruction, " ")
switch parts[0] {
case "rect":
rectxy := strings.Split(parts[1], "x")
rectx, _ := strconv.Atoi(rectxy[0])
recty, _ := strconv.Atoi(rectxy[1])
for x := 0; x < rectx; x++ {
for y := 0; y < recty; y++ {
display.Set(x, y, tools.On)
}
}
case "rotate":
which, _ := strconv.Atoi(parts[2][2:])
amount, _ := strconv.Atoi(parts[4])
switch parts[1] {
case "row":
for i := 0; i < amount; i++ {
shiftRight(&display, which, dimX)
}
case "column":
for i := 0; i < amount; i++ {
shiftDown(&display, which, dimY)
}
}
}
}
return display
}
func Part1(puzzle tools.AoCPuzzle) interface{} {
return buildDisplayFromInput(puzzle.GetInputArray()).GetOnCount()
}
func Part2(puzzle tools.AoCPuzzle) interface{} {
display := buildDisplayFromInput(puzzle.GetInputArray())
printDisplay(display, 49, 5)
return 0
}

154
inputs/8 Normal file
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@ -0,0 +1,154 @@
50,6
rect 1x1
rotate row y=0 by 2
rect 1x1
rotate row y=0 by 5
rect 1x1
rotate row y=0 by 3
rect 1x1
rotate row y=0 by 3
rect 2x1
rotate row y=0 by 5
rect 1x1
rotate row y=0 by 5
rect 4x1
rotate row y=0 by 2
rect 1x1
rotate row y=0 by 2
rect 1x1
rotate row y=0 by 5
rect 4x1
rotate row y=0 by 3
rect 2x1
rotate row y=0 by 5
rect 4x1
rotate row y=0 by 2
rect 1x2
rotate row y=1 by 6
rotate row y=0 by 2
rect 1x2
rotate column x=32 by 1
rotate column x=23 by 1
rotate column x=13 by 1
rotate row y=0 by 6
rotate column x=0 by 1
rect 5x1
rotate row y=0 by 2
rotate column x=30 by 1
rotate row y=1 by 20
rotate row y=0 by 18
rotate column x=13 by 1
rotate column x=10 by 1
rotate column x=7 by 1
rotate column x=2 by 1
rotate column x=0 by 1
rect 17x1
rotate column x=16 by 3
rotate row y=3 by 7
rotate row y=0 by 5
rotate column x=2 by 1
rotate column x=0 by 1
rect 4x1
rotate column x=28 by 1
rotate row y=1 by 24
rotate row y=0 by 21
rotate column x=19 by 1
rotate column x=17 by 1
rotate column x=16 by 1
rotate column x=14 by 1
rotate column x=12 by 2
rotate column x=11 by 1
rotate column x=9 by 1
rotate column x=8 by 1
rotate column x=7 by 1
rotate column x=6 by 1
rotate column x=4 by 1
rotate column x=2 by 1
rotate column x=0 by 1
rect 20x1
rotate column x=47 by 1
rotate column x=40 by 2
rotate column x=35 by 2
rotate column x=30 by 2
rotate column x=10 by 3
rotate column x=5 by 3
rotate row y=4 by 20
rotate row y=3 by 10
rotate row y=2 by 20
rotate row y=1 by 16
rotate row y=0 by 9
rotate column x=7 by 2
rotate column x=5 by 2
rotate column x=3 by 2
rotate column x=0 by 2
rect 9x2
rotate column x=22 by 2
rotate row y=3 by 40
rotate row y=1 by 20
rotate row y=0 by 20
rotate column x=18 by 1
rotate column x=17 by 2
rotate column x=16 by 1
rotate column x=15 by 2
rotate column x=13 by 1
rotate column x=12 by 1
rotate column x=11 by 1
rotate column x=10 by 1
rotate column x=8 by 3
rotate column x=7 by 1
rotate column x=6 by 1
rotate column x=5 by 1
rotate column x=3 by 1
rotate column x=2 by 1
rotate column x=1 by 1
rotate column x=0 by 1
rect 19x1
rotate column x=44 by 2
rotate column x=40 by 3
rotate column x=29 by 1
rotate column x=27 by 2
rotate column x=25 by 5
rotate column x=24 by 2
rotate column x=22 by 2
rotate column x=20 by 5
rotate column x=14 by 3
rotate column x=12 by 2
rotate column x=10 by 4
rotate column x=9 by 3
rotate column x=7 by 3
rotate column x=3 by 5
rotate column x=2 by 2
rotate row y=5 by 10
rotate row y=4 by 8
rotate row y=3 by 8
rotate row y=2 by 48
rotate row y=1 by 47
rotate row y=0 by 40
rotate column x=47 by 5
rotate column x=46 by 5
rotate column x=45 by 4
rotate column x=43 by 2
rotate column x=42 by 3
rotate column x=41 by 2
rotate column x=38 by 5
rotate column x=37 by 5
rotate column x=36 by 5
rotate column x=33 by 1
rotate column x=28 by 1
rotate column x=27 by 5
rotate column x=26 by 5
rotate column x=25 by 1
rotate column x=23 by 5
rotate column x=22 by 1
rotate column x=21 by 2
rotate column x=18 by 1
rotate column x=17 by 3
rotate column x=12 by 2
rotate column x=11 by 2
rotate column x=7 by 5
rotate column x=6 by 5
rotate column x=5 by 4
rotate column x=3 by 5
rotate column x=2 by 5
rotate column x=1 by 3
rotate column x=0 by 4

5
inputs/8_test Normal file
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@ -0,0 +1,5 @@
7,3
rect 3x2
rotate column x=1 by 1
rotate row y=0 by 4
rotate column x=1 by 1

3
main.go
View File

@ -8,6 +8,7 @@ import (
"aoc2016/day05"
"aoc2016/day06"
"aoc2016/day07"
"aoc2016/day08"
"flag"
"fmt"
"os"
@ -32,7 +33,7 @@ func initDayFunctions() {
5: {1: day05.Part1, 2: day05.Part2},
6: {1: day06.Part1, 2: day06.Part2},
7: {1: day07.Part1, 2: day07.Part2},
// 8: {1: day08.Part1, 2: day08.Part2},
8: {1: day08.Part1, 2: day08.Part2},
// 9: {1: day09.Part1, 2: day09.Part2},
// 10: {1: day10.Part1, 2: day10.Part2},
// 11: {1: day11.Part1, 2: day11.Part2},