fix d16 & d19

anna-oake · anna-oake · commit 7e60c4766acf · 2024-12-19T16:15:05.000+01:00
diff --git a/d16.go b/d16.go
@@ -4,7 +4,6 @@ import (
 	"math"
 	"strconv"
 	"strings"
-	"sync"
 )
 
 type d16grid struct {
@@ -97,7 +96,6 @@ func (*methods) D16P1(input string) string {
 		end:   end,
 		area:  area,
 		score: int64(math.MaxInt64),
-		m:     &sync.Mutex{},
 		cache: make(map[int64]int64),
 		seats: make(map[int64][]coords),
 	}
@@ -136,7 +134,6 @@ func (*methods) D16P2(input string) string {
 		end:   end,
 		area:  area,
 		score: int64(math.MaxInt64),
-		m:     &sync.Mutex{},
 		cache: make(map[int64]int64),
 		seats: make(map[int64][]coords),
 	}
diff --git a/d19.go b/d19.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"strconv"
 	"strings"
 )
@@ -34,8 +33,21 @@ func (*methods) D19P1(input string) string {
 	designs := strings.Split(parts[1], "\n")
 
 	var possible int64
-	for i, d := range designs {
-		fmt.Printf("%d/%d\n", i+1, len(designs))
+	for _, d := range designs {
+		if d19try(towels, d) > 0 {
+			possible++
+		}
+	}
+	return strconv.FormatInt(possible, 10)
+}
+
+func (*methods) D19P2(input string) string {
+	parts := strings.Split(input, "\n\n")
+	towels := strings.Split(parts[0], ",")
+	designs := strings.Split(parts[1], "\n")
+
+	var possible int64
+	for _, d := range designs {
 		possible += d19try(towels, d)
 	}
 	return strconv.FormatInt(possible, 10)
