day 05

05/main.go

@@ -29,9 +29,7 @@ func parseRange(r string) Range {
 }
 
 func main() {
-	rows := aoc.ReadFileRows(true)
+	rows := aoc.ReadFileRows(false)
-
-	fmt.Println(rows)
 
 	ranges := []Range{}
 
@@ -46,11 +44,69 @@ func main() {
 		}
 	}
 
-	ids := make([]int, len(rows)-idsStartIndex)
+	for {
+		deleteIndex := -1
 
-	for ii, rr := range rows[idsStartIndex:] {
+		for ii, rngBasis := range ranges {
+			for jj, rngCompare := range ranges {
+				if ii != jj {
+					if rngCompare.From >= rngBasis.From && rngCompare.From <= rngBasis.To && rngCompare.To > rngBasis.To {
+						ranges[ii].To = rngCompare.To
+
+						deleteIndex = jj
 					}
 
-	fmt.Println(ranges)
+					if rngCompare.To >= rngBasis.From && rngCompare.To <= rngBasis.To && rngCompare.From < rngBasis.From {
-	fmt.Println(ids)
+						ranges[ii].From = rngCompare.From
+
+						deleteIndex = jj
+					}
+
+					if rngCompare.From <= rngBasis.From && rngCompare.To >= rngBasis.To {
+						ranges[ii] = rngCompare
+
+						deleteIndex = jj
+					}
+
+					if deleteIndex != -1 {
+						break
+					}
+				}
+
+				if deleteIndex != -1 {
+					break
+				}
+			}
+		}
+
+		if deleteIndex != -1 {
+			ranges[deleteIndex] = ranges[len(ranges)-1]
+			ranges = ranges[:len(ranges)-1]
+		} else {
+			break
+		}
+	}
+
+	freshCounter := 0
+
+	for _, sID := range rows[idsStartIndex:] {
+		id := aoc.ParseInt(sID)
+
+		for _, goodRange := range ranges {
+			if id >= goodRange.From && id <= goodRange.To {
+				freshCounter++
+
+				break
+			}
+		}
+	}
+
+	freshIDCount := 0
+
+	for _, rng := range ranges {
+		freshIDCount += rng.To - rng.From + 1
+	}
+
+	fmt.Println(freshCounter)
+	fmt.Println(freshIDCount)
 }

pkg/aoc/parse.go

@@ -0,0 +1,11 @@
+package aoc
+
+import "strconv"
+
+func ParseInt(s string) int {
+	if i, err := strconv.Atoi(s); err != nil {
+		panic(err)
+	} else {
+		return i
+	}
+}