day5/main.go

@@ -14,7 +14,7 @@ func main() {
 	inputFile := os.Args[1]
 
 	part1, part2 := solution(inputFile)
-	fmt.Printf("(%s) Part 1: %d\n(%s) Part 2: %d\n", inputFile, part1, inputFile, part2)
+	fmt.Printf("(%s) Part 1: %d\n(%s) Part 2: %d\n:", inputFile, part1, inputFile, part2)
 }
 
 type Rule struct {
@@ -86,63 +86,12 @@ func solution(inputFile string) (int, int) {
 
 		if validUpdate {
 			validSum += updatePages[len(updatePages)/2]
-		} else {
-			invalidSum += reorderedMid(updatePages, rules)
 		}
 	}
+
 	return validSum, invalidSum
 }
 
-func reorderedMid(pages []int, rules []Rule) int {
-	corrected := false
-	for !corrected {
-		for i := 0; i < len(pages); i++ {
-			for j := 1; j < len(pages); j++ {
-				if i == j {
-					continue
-				}
-				if i < j {
-					valid := isValid(rules, pages[i], pages[j])
-					if !valid {
-						pages[i], pages[j] = pages[j], pages[i]
-					}
-				} else {
-					valid := isValid(rules, pages[j], pages[i])
-					if !valid {
-						pages[i], pages[j] = pages[j], pages[i]
-					}
-				}
-			}
-		}
-
-		corrected = wasCorrected(pages, rules)
-	}
-	fmt.Printf("Corrected %v\n", pages)
-	return pages[len(pages)/2]
-}
-
-func wasCorrected(pages []int, rules []Rule) bool {
-	for i := 0; i < len(pages); i++ {
-		for j := 1; j < len(pages); j++ {
-			if i == j {
-				continue
-			}
-			if i < j {
-				valid := isValid(rules, pages[i], pages[j])
-				if !valid {
-					return false
-				}
-			} else {
-				valid := isValid(rules, pages[j], pages[i])
-				if !valid {
-					return false
-				}
-			}
-		}
-	}
-	return true
-}
-
 func isValid(rules []Rule, left, right int) bool {
 	for _, rule := range rules {
 		if rule.Left == right && rule.Right == left {

day6/main.go

@@ -1,127 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-)
-
-func main() {
-	if len(os.Args) < 2 {
-		panic("Provide input file")
-	}
-	inputFile := os.Args[1]
-
-	part1, part2 := solution(inputFile)
-	fmt.Printf("(%s) Part 1: %d\n(%s) Part 2: %d\n", inputFile, part1, inputFile, part2)
-}
-
-type Patroller struct {
-	x, y      int
-	direction int
-	walkMap   [][]bool
-	height    int
-	width     int
-}
-
-func solution(inputFile string) (int, int) {
-	var part2 int
-
-	// Read line by line
-	input, err := os.Open(inputFile)
-	if err != nil {
-		panic(err)
-	}
-	defer input.Close()
-	// patrolMap is a 2D bool array to keep track of the patrol
-	var pX, pY int
-	patrolMap := make([][]bool, 0)
-	for {
-		var line string
-		_, err := fmt.Fscanf(input, "%s\n", &line)
-		if err != nil {
-			break
-		}
-		// Add the line to the patrolMap
-		patrolMap = append(patrolMap, make([]bool, len(line)))
-		for i, c := range line {
-			if c == '#' {
-				patrolMap[len(patrolMap)-1][i] = false
-			}
-			if c == '.' {
-				patrolMap[len(patrolMap)-1][i] = true
-			}
-			if c == '^' {
-				pX = i
-				pY = len(patrolMap)
-				patrolMap[len(patrolMap)-1][i] = true
-			}
-		}
-	}
-
-	fmt.Println(pX+1, pY+1)
-
-	steps := 0
-	escaped := false
-	p := NewPatroller(pX, pY, 0, patrolMap)
-	for {
-		steps++
-		switch p.direction {
-		case 0: // NORTH
-			if p.y-1 < 0 {
-				escaped = true
-				break
-			} else if !p.walkMap[p.x][p.y-1] {
-				p.turnRight()
-				break
-			}
-			p.y--
-		case 1: // EAST
-			if p.x+1 >= len(p.walkMap[0]) {
-				escaped = true
-				break
-			}
-			if !p.walkMap[p.x+1][p.y] {
-				p.turnRight()
-				break
-			}
-			p.x++
-		case 2: // SOUTH
-			if p.y+1 >= len(p.walkMap) {
-				escaped = true
-				break
-			}
-			if !p.walkMap[p.x][p.y+1] {
-				p.turnRight()
-				break
-			}
-			p.y++
-		case 3: // WEST
-			if p.x-1 < 0 {
-				escaped = true
-				break
-			}
-			if !p.walkMap[p.x-1][p.y] {
-				p.turnRight()
-				break
-			}
-			p.x--
-		}
-		if escaped {
-			break
-		}
-	}
-	return steps, part2
-}
-
-func NewPatroller(x, y, direction int, walkMap [][]bool) *Patroller {
-	return &Patroller{
-		x:         x,
-		y:         y,
-		direction: direction,
-		walkMap:   walkMap,
-	}
-}
-
-func (p *Patroller) turnRight() {
-	p.direction = (p.direction + 1) % 4
-}

day6/run

@@ -1,4 +0,0 @@
-#!/bin/bash
-
-go build -o ./bin/solution ./main.go
-./bin/solution "$1"