1a

Author: jrtitus

.gitignore

@@ -0,0 +1 @@
+input.txt

1/go.mod

@@ -0,0 +1,5 @@
+module github.com/jrtitus/aoc-2022/1
+
+go 1.19
+
+require github.com/spf13/cast v1.5.0

1/go.sum

@@ -0,0 +1,8 @@
+github.com/frankban/quicktest v1.14.3 h1:FJKSZTDHjyhriyC81FLQ0LY93eSai0ZyR/ZIkd3ZUKE=
+github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
+github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/rogpeppe/go-internal v1.6.1 h1:/FiVV8dS/e+YqF2JvO3yXRFbBLTIuSDkuC7aBOAvL+k=
+github.com/spf13/cast v1.5.0 h1:rj3WzYc11XZaIZMPKmwP96zkFEnnAmV8s6XbB2aY32w=
+github.com/spf13/cast v1.5.0/go.mod h1:SpXXQ5YoyJw6s3/6cMTQuxvgRl3PCJiyaX9p6b155UU=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=

1/main.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/spf13/cast"
+)
+
+var caloriesPerElf []int = make([]int, 0)
+var max int = 0
+
+func appendSetMax(sum int) {
+	// store sum
+	caloriesPerElf = append(caloriesPerElf, sum)
+	// determine max
+	if sum > max {
+		max = sum
+	}
+}
+
+func main() {
+	// read file and load caloriesPerElf
+	dat, err := os.ReadFile("input.txt")
+	if err != nil {
+		panic(err)
+	}
+
+	strs := strings.Split(string(dat), "\n")
+
+	var sum int
+	for _, str := range strs {
+		sum += cast.ToInt(str)
+		if str == "" {
+			appendSetMax(sum)
+			sum = 0
+		}
+	}
+	appendSetMax(sum)
+
+	fmt.Printf("there are a total of %d elves\n", len(caloriesPerElf))
+	fmt.Printf("max calories carried is %d", max)
+}