Add missed days

Author: Siljesc

Diff for: Day5/input.txt

@@ -0,0 +1,85 @@
+package main
+
+import (
+	"fmt"
+	"regexp"
+	"strconv"
+
+	"../util"
+)
+
+type Coords struct {
+	X, Y int
+}
+
+func main() {
+
+	scanner, _ := util.ReadFile("input.txt")
+	fabric := make([][]int, 1000*1000)
+
+	overlappedCells := map[string][]Coords{}
+	overlappedClaims := map[int]bool{}
+
+	var cleanClaim int
+
+	for scanner.Scan() {
+		line := scanner.Text()
+		id, startCoords, endCoords := parseCoords(line)
+
+		for i := startCoords.X; i <= endCoords.X; i++ {
+			for j := startCoords.Y; j <= endCoords.Y; j++ {
+
+				cell := fabric[i*1000+j]
+				cellName := strconv.Itoa(i) + `x` + strconv.Itoa(j)
+
+				fabric[i*1000+j] = append(cell, id)
+
+				if len(fabric[i*1000+j]) > 1 {
+					overlappedCells[cellName] = append(overlappedCells[cellName], Coords{i, j})
+
+					for _, t := range fabric[i*1000+j] {
+						overlappedClaims[t] = true
+					}
+
+				}
+
+			}
+		}
+	}
+
+	for i := 1; i <= 1295; i++ {
+
+		fmt.Println(overlappedClaims[i])
+
+		if overlappedClaims[i] {
+			continue
+		}
+
+		cleanClaim = i
+	}
+
+	if err := scanner.Err(); err != nil {
+		fmt.Println("File scanning error", err)
+	}
+
+	fmt.Println("Overlapped Cells: ", len(overlappedCells))
+	fmt.Println("Clean Claim: ", cleanClaim)
+
+}
+
+func parseCoords(str string) (int, Coords, Coords) {
+
+	var re = regexp.MustCompile(`#(?m)([0-9]{0,4}) @ (?m)([0-9]{0,4}),(?m)([0-9]{0,4}): (?m)([0-9]{0,4})x(?m)([0-9]{0,4})`)
+	stringParsed := re.FindStringSubmatch(str)
+
+	id, _ := strconv.Atoi(stringParsed[1])
+	leftGap, _ := strconv.Atoi(stringParsed[2])
+	topGap, _ := strconv.Atoi(stringParsed[3])
+	width, _ := strconv.Atoi(stringParsed[4])
+	height, _ := strconv.Atoi(stringParsed[5])
+
+	startCoords := Coords{leftGap + 1, topGap + 1}
+	endCoords := Coords{leftGap + width, topGap + height}
+
+	return id, startCoords, endCoords
+}