22: names scores

22_names_scores/main.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"sort"
+	"strings"
+)
+
+const BASE = 64
+
+func main() {
+	b, err := ioutil.ReadFile("names.txt")
+	if err != nil {
+		panic(err)
+	}
+
+	names := readNames(string(b))
+	sort.Strings(names)
+	fmt.Println(names)
+	sum := 0
+	for n, name := range names {
+		sum += (n + 1) * worthOf(name)
+	}
+	fmt.Println("sum:", sum)
+}
+
+func readNames(s string) []string {
+	if len(s) == 0 {
+		return nil
+	}
+	str := strings.Replace(s, "\"", "", -1)
+	ret := strings.Split(str, ",")
+	return ret
+}
+
+func worthOf(word string) int {
+	if len(word) == 0 {
+		return 0
+	}
+	sum := 0
+	for i := 0; i < len(word); i++ {
+		a := word[i : i+1][0]
+		w := uint8(a) - BASE
+		sum += int(w)
+	}
+	return sum
+}

22_names_scores/names_scores_test.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+)
+
+func Test_readNames(t *testing.T) {
+	tt := []struct {
+		name  string
+		input string
+		want  []string
+	}{
+		{
+			"empty_input",
+			"",
+			nil,
+		},
+		{
+			"one_name",
+			"\"VIC\"",
+			[]string{"VIC"},
+		},
+		{
+			"two_names",
+			"\"VIC\",\"COCO\"",
+			[]string{"VIC", "COCO"},
+		},
+	}
+
+	for _, tc := range tt {
+		t.Run(tc.name, func(t *testing.T) {
+			got := readNames(tc.input)
+			if !reflect.DeepEqual(got, tc.want) {
+				t.Errorf("readNames() = %v, want %v", got, tc.want)
+			}
+		})
+	}
+}
+
+func Test_worthOf(t *testing.T) {
+	tt := []struct {
+		name string
+		word string
+		want int
+	}{
+		{
+			"COLIN",
+			"COLIN",
+			53,
+		},
+	}
+
+	for _, tc := range tt {
+		t.Run(tc.name, func(t *testing.T) {
+			fmt.Printf("%d", 'A')
+			got := worthOf(tc.word)
+			if got != tc.want {
+				t.Errorf("worthOf() = %d, want %d", got, tc.want)
+			}
+		})
+	}
+}