From: Alan R Evans <alan@kageds.com>
Date: Wed, 6 Dec 2023 13:48:16 +0000 (+0000)
Subject: day5 part2
X-Git-Url: https://fbox.kageds.com/gitweb/adventofcode.git/commitdiff_plain/204e0014599587a1fef60355c3ba66eeb95e97d8

day5 part2
---

diff --git a/2023/go/day05/day05.go b/2023/go/day05/day05.go
index ec4698a..202bfaa 100644
--- a/2023/go/day05/day05.go
+++ b/2023/go/day05/day05.go
@@ -58,39 +58,22 @@ func Part1(input string) uint64 {
 func Part2(input string) int {
 	seedsmap, almanac, _ := parseInput2(input)
 
-
-	minLoc := uint64(utils.MaxInt)
-	for _, seedmap := range seedsmap {
-		for i := seedmap.seed;i<seedmap.seed+seedmap.range_len;i++ {
-			soil := lookup_dest(i, almanac.seed2soil)
-			fert := lookup_dest(soil, almanac.soil2fert)
-			water := lookup_dest(fert, almanac.fert2water)
-			light := lookup_dest(water, almanac.water2light)
-			temp := lookup_dest(light, almanac.light2temp)
-			humid := lookup_dest(temp, almanac.temp2humid)
-			loc := lookup_dest(humid, almanac.humid2loc)
-			if loc < minLoc {
-				minLoc = loc
+	for i:=0;i<utils.MaxInt;i++{
+		humid := lookup_src(uint64(i), almanac.humid2loc)
+		temp := lookup_src(humid, almanac.temp2humid)
+		light := lookup_src(temp, almanac.light2temp)
+		water := lookup_src(light, almanac.water2light)
+		fert := lookup_src(water, almanac.fert2water)
+		soil := lookup_src(fert, almanac.soil2fert)
+		seed := lookup_src(soil, almanac.seed2soil)
+
+		for _, seedmap := range seedsmap {
+			if seed >= seedmap.seed && seed < seedmap.seed+seedmap.range_len {
+				return i
 			}
 		}
-		fmt.Println(minLoc)
 	}
-//	
-//	fmt.Println(minSeedMap)
-//	minLoc = utils.MaxInt
-//	for i:=minSeedMap.seed;i<minSeedMap.seed+minSeedMap.range_len;i++ {
-//		soil := lookup_dest(i, almanac.seed2soil)
-//		fert := lookup_dest(soil, almanac.soil2fert)
-//		water := lookup_dest(fert, almanac.fert2water)
-//		light := lookup_dest(water, almanac.water2light)
-//		temp := lookup_dest(light, almanac.light2temp)
-//		humid := lookup_dest(temp, almanac.temp2humid)
-//		loc := lookup_dest(humid, almanac.humid2loc)
-//		if loc < minLoc {
-//			minLoc = loc
-//		}
-//	}	
-	return int(minLoc)
+	return -1
 }
 
 func lookup_dest(entity uint64, data []Map) uint64 {
diff --git a/2023/go/main.go b/2023/go/main.go
index 0f19aeb..dbfddc1 100644
--- a/2023/go/main.go
+++ b/2023/go/main.go
@@ -11,6 +11,8 @@ import (
 	"adventofcode2023/day02"
 	"adventofcode2023/day03"
 	"adventofcode2023/day04"
+	"adventofcode2023/day05"
+	"adventofcode2023/day06"
 )
 // Usage: go run main.go <NN>
 // assumes input is in day<NN>/input.txt
@@ -31,6 +33,12 @@ func main() {
 	case 4:
 		fmt.Printf("part 1: %d\n", day04.Part1(utils.Readfile(d)))
 		fmt.Printf("part 2: %d\n", day04.Part2(utils.Readfile(d)))
+	case 5:
+		fmt.Printf("part 1: %d\n", day05.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day05.Part2(utils.Readfile(d)))
+	case 6:
+		fmt.Printf("part 1: %d\n", day06.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day06.Part2(utils.Readfile(d)))
 	default:
 		panic(fmt.Errorf("no such day: %d", d))
 	}
@@ -38,7 +46,7 @@ func main() {
 
 // Reads day from os.Args.
 func day() int {
-	latest := 3
+	latest := 5
 	if len(os.Args) == 1 {
 		return latest
 	}