chore: add 04

Signed-off-by: markkovari <kovarimarkofficial@gmail.com>

Author: markkovari

2024/cmd/04.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"bufio"
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+)
+
+type InputType int
+
+const (
+	example InputType = iota
+	input
+)
+
+const (
+	inputPath   string = "../../data/input"
+	examplePath string = "../../data/example"
+)
+
+var inputs map[InputType]string = map[InputType]string{
+	example: examplePath,
+	input:   inputPath,
+}
+
+func get_04_data(version InputType) ([][]string, error) {
+	path, ok := inputs[version]
+	if !ok {
+		return [][]string{}, fmt.Errorf("Cannot find path")
+	}
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %w", err)
+	}
+	defer file.Close()
+
+	var data [][]string
+
+	scanner := bufio.NewScanner(file)
+
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		fields := strings.Fields(line)
+
+		data = append(data, fields)
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, fmt.Errorf("error reading file: %w", err)
+	}
+
+	return data, nil
+}

2024/cmd/04_test.go

@@ -0,0 +1,9 @@
+package main
+
+import "testing"
+
+func test_simple(t *testing.T) {
+	if 1 != 1 {
+		t.Fatal("yikes")
+	}
+}

2024/data/04/example

@@ -0,0 +1,10 @@
+MMMSXXMASM
+MSAMXMSMSA
+AMXSXMAAMM
+MSAMASMSMX
+XMASAMXAMM
+XXAMMXXAMA
+SMSMSASXSS
+SAXAMASAAA
+MAMMMXMMMM
+MXMXAXMASX