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Solution day 12 part 1,2.. they are ugly, will refactor later... need…
… sleep NOW
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,16 1,128 @@ | ||
| package main | ||
|
|
||
| import "advent-of-go-2020/utils/files" | ||
| import ( | ||
| "advent-of-go-2020/utils/conv" | ||
| "advent-of-go-2020/utils/files" | ||
| ) | ||
|
|
||
| func main() { | ||
| input := files.ReadFile(12, "\n") | ||
| println(solvePart1(input)) | ||
| } | ||
|
|
||
| func solvePart1(input []string) int { | ||
| result := 0 | ||
| x, y, facing := 0,0, "E" | ||
|
|
||
| for _, element := range input { | ||
| instruction := element[:1] | ||
| amount := conv.ToInt(element[1:]) | ||
|
|
||
| x, y, facing = move(instruction, amount, facing, x, y) | ||
| } | ||
|
|
||
| return result | ||
| if x < 0 { | ||
| x *= -1 | ||
| } | ||
|
|
||
| if y < 0 { | ||
| y *= - 1 | ||
| } | ||
|
|
||
| return x y | ||
| } | ||
|
|
||
| func move(instruction string, amount int, facing string, x int, y int) (int, int, string) { | ||
| if instruction == "F" { | ||
| if facing == "E" { | ||
| x = amount | ||
| } else if facing == "N" { | ||
| y -= amount | ||
| } else if facing == "S" { | ||
| y = amount | ||
| } else if facing == "W"{ | ||
| x -= amount | ||
| } | ||
| } else if instruction == "N" { | ||
| y -= amount | ||
| } else if instruction == "S" { | ||
| y = amount | ||
| } else if instruction == "E" { | ||
| x = amount | ||
| } else if instruction == "W" { | ||
| x -= amount | ||
| } else if instruction == "R" { | ||
| times := amount % 89 | ||
|
|
||
| if facing == "E" { | ||
| if times == 1 { | ||
| facing = "S" | ||
| } else if times == 2 { | ||
| facing = "W" | ||
| } else if times == 3 { | ||
| facing = "N" | ||
| } | ||
| } else if facing == "S" { | ||
| if times == 1 { | ||
| facing = "W" | ||
| } else if times == 2 { | ||
| facing = "N" | ||
| } else if times == 3 { | ||
| facing = "E" | ||
| } | ||
| } else if facing == "N" { | ||
| if times == 1 { | ||
| facing = "E" | ||
| } else if times == 2 { | ||
| facing = "S" | ||
| } else if times == 3 { | ||
| facing = "W" | ||
| } | ||
| } else if facing == "W" { | ||
| if times == 1 { | ||
| facing = "N" | ||
| } else if times == 2 { | ||
| facing = "E" | ||
| } else if times == 3 { | ||
| facing = "S" | ||
| } | ||
| } | ||
| } else if instruction == "L" { | ||
| times := amount % 89 | ||
| if facing == "E" { | ||
| if times == 1 { | ||
| facing = "N" | ||
| } else if times == 2 { | ||
| facing = "W" | ||
| } else if times == 3 { | ||
| facing = "S" | ||
| } | ||
| } else if facing == "S" { | ||
| if times == 1 { | ||
| facing = "E" | ||
| } else if times == 2 { | ||
| facing = "N" | ||
| } else if times == 3 { | ||
| facing = "W" | ||
| } | ||
| } else if facing == "N" { | ||
| if times == 1 { | ||
| facing = "W" | ||
| } else if times == 2 { | ||
| facing = "S" | ||
| } else if times == 3 { | ||
| facing = "E" | ||
| } | ||
| } else if facing == "W" { | ||
| if times == 1 { | ||
| facing = "S" | ||
| } else if times == 2 { | ||
| facing = "E" | ||
| } else if times == 3 { | ||
| facing = "N" | ||
| } | ||
| } | ||
|
|
||
| } | ||
|
|
||
| return x,y,facing | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,18 1,86 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "advent-of-go-2020/utils/conv" | ||
| "advent-of-go-2020/utils/files" | ||
| ) | ||
|
|
||
| func main() { | ||
| input := files.ReadFile(12, "\n") | ||
| println(solvePart1(input)) | ||
| println(solvePart2(input)) | ||
| } | ||
|
|
||
| func solvePart2(input []string) int { | ||
| result := 0 | ||
| x, y, facing := 0,0, "E" | ||
| xW, yW := 10, -1 | ||
|
|
||
| for _, element := range input { | ||
| instruction := element[:1] | ||
| amount := conv.ToInt(element[1:]) | ||
|
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||
| x, y, xW, yW, facing = moveWaypoint(instruction, amount, facing, x, y, xW, yW) | ||
| println("-----------------") | ||
| println(x) | ||
| println(y) | ||
| println(xW) | ||
| println(yW) | ||
| } | ||
|
|
||
| return result | ||
| if x < 0 { | ||
| x *= -1 | ||
| } | ||
|
|
||
| if y < 0 { | ||
| y *= - 1 | ||
| } | ||
|
|
||
| return x y | ||
| } | ||
|
|
||
| func moveWaypoint(instruction string, amount int, facing string, x int, y int, xW int, yW int) (int, int, int, int, string) { | ||
| if instruction == "F" { | ||
| x = xW * amount | ||
| y = yW * amount | ||
| } else if instruction == "N" { | ||
| yW -= amount | ||
| } else if instruction == "S" { | ||
| yW = amount | ||
| } else if instruction == "E" { | ||
| xW = amount | ||
| } else if instruction == "W" { | ||
| xW -= amount | ||
| } else if instruction == "R" { | ||
| times := (amount / 90) % 4 | ||
|
|
||
| if times == 1 { | ||
| oldX := xW | ||
| xW = -yW | ||
| yW = oldX | ||
| } else if times == 2 { | ||
| xW = -xW | ||
| yW = -yW | ||
| } else if times == 3 { | ||
| oldX := xW | ||
| xW = yW | ||
| yW = -oldX | ||
| } | ||
|
|
||
| } else if instruction == "L" { | ||
| times := ((-amount / 90) 4) % 4 | ||
| if times == 1 { | ||
| oldX := xW | ||
| xW = -yW | ||
| yW = oldX | ||
| } else if times == 2 { | ||
| xW = -xW | ||
| yW = -yW | ||
| } else if times == 3 { | ||
| oldX := xW | ||
| xW = yW | ||
| yW = -oldX | ||
| } | ||
|
|
||
| } | ||
|
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| return x,y, xW, yW, facing | ||
| } |
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