Add Golang for 2021 🎅🚀

Author: ridaamirini

2020/Day_01/benchmark.json

@@ -1,3 +1,4 @@
 {
-    "PHP": "66.4229ms"
+    "GO": "10ms",
+    "PHP": "58.8491ms"
 }

2020/Day_01/code.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"advent-of-code/helper"
+	"fmt"
+	"path"
+	"runtime"
+	"strconv"
+	"time"
+)
+
+func main() {
+	_, f, _, _ := runtime.Caller(0)
+	cwd := path.Join(path.Dir(f))
+
+	input := helper.ReadInput(cwd, helper.NewLine)
+
+	// Execute
+	start := time.Now()
+	result01 := part01(input)
+	result02 := part02(input)
+	executionTime := helper.ExecutionTime(time.Since(start))
+
+	fmt.Printf("Solution Part 1: %v\n", result01)
+	fmt.Printf("Solution Part 2: %v\n", result02)
+	fmt.Printf("Execution time: %s\n", executionTime)
+
+	helper.SaveBenchmarkTime(executionTime, cwd)
+
+	// Testing
+	helper.TestResults(
+		[]helper.TestingValue{
+			helper.TestingValue{Result: result01, Expect: 935419},
+			helper.TestingValue{Result: result02, Expect: 49880012},
+		},
+	)
+}
+
+// Task code
+func part01(input []string) int {
+	for _, firstValue := range input {
+		for _, secondValue := range input {
+			fv, _ := strconv.Atoi(firstValue)
+			sv, _ := strconv.Atoi(secondValue)
+
+			sum := fv + sv
+
+			if 2020 == sum {
+				return fv * sv
+			}
+		}
+	}
+
+	return 0
+}
+
+func part02(input []string) int {
+	for _, firstValue := range input {
+		for _, secondValue := range input {
+			for _, thirdValue := range input {
+				fv, _ := strconv.Atoi(firstValue)
+				sv, _ := strconv.Atoi(secondValue)
+				tv, _ := strconv.Atoi(thirdValue)
+
+				sum := fv + sv + tv
+
+				if 2020 == sum {
+					return fv * sv * tv
+				}
+			}
+		}
+	}
+
+	return 0
+}

README.md

@@ -1,7 +1,7 @@
 # Advent of Code
 
 [2015](/2015/README.md) | [2016](/2016/README.md) | [2017](/2017/README.md) | 
-[2018](/2018/README.md) | [2019](/2020/README.md) | [2020](/2020/README.md)
+[2018](/2018/README.md) | [2019](/2020/README.md) | [2020](/2020/README.md) | [2021](/2021/README.md)
 
 This repository contains my solutions for [Advent of Code](https://adventofcode.com/).
 
@@ -36,5 +36,6 @@ You only need to add the binary for executing your script into `binary-ext.map.p
 Already added languages:
 - PHP
 - Javascript/Node (in `template/.ignore/`)
+- Golang (in `template/.ignore/`)
 
 To enable ignored templates for `bin/task`, you need to moved them manually to `template/`.

binary-ext.map.php

@@ -3,4 +3,8 @@
 return [
     'php' => ['.php'],
     'node' => ['.js', '.mjs'],
+    'go' => [
+        'extensions' => ['.go'],
+        'options' => ['run',]
+    ],
 ];

go.mod

@@ -0,0 +1,11 @@
+module advent-of-code
+
+go 1.17
+
+require (
+	advent-of-code/helper v0.0.0
+)
+
+replace (
+	advent-of-code/helper => ./lib/go/helper
+)

lib/go/helper/go.mod

@@ -0,0 +1,3 @@
+module advent-of-code/helper
+
+go 1.17

lib/go/helper/helper.go

@@ -0,0 +1,75 @@
+package helper
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"strings"
+	"time"
+)
+
+const (
+	NewLine = "\n"
+)
+
+func ReadInput(currentDir string, delimiter string) []string {
+	buffer, err := ioutil.ReadFile(fmt.Sprintf("%s/input.txt", currentDir))
+	if err != nil {
+		panic(err)
+	}
+
+	return strings.Split(string(buffer), delimiter)
+}
+
+func ExecutionTime(duration time.Duration) string {
+	return fmt.Sprintf("%dms", duration.Milliseconds())
+}
+
+func SaveBenchmarkTime(execTime string, currentDir string) {
+	fileName := fmt.Sprintf("%s/benchmark.json", currentDir)
+	result := make(map[string]interface{})
+
+	data, _ := ioutil.ReadFile(fileName)
+
+	json.Unmarshal(data, &result)
+
+	result["GO"] = execTime
+
+	bufferJson, err := json.Marshal(result)
+	if err != nil {
+		panic(err)
+	}
+
+	ioutil.WriteFile(fileName, bufferJson, 0644)
+}
+
+type TestingValue struct {
+	Result interface{}
+	Expect interface{}
+}
+
+func (v *TestingValue) isEqual() bool {
+	return v.Result == v.Expect
+}
+
+func TestResults(values []TestingValue) {
+	if len(values) == 0 {
+		fmt.Println("Skipped tests!")
+	}
+
+	for i, tv := range values {
+		pos := i + 1
+
+		if tv.isEqual() {
+			fmt.Printf("\033[32mPart %d: passed\033[37m\n", pos)
+			continue
+		}
+
+		fmt.Printf(
+			"\033[31mPart %d: failed with Expected: '%s' but get '%s'. \033[37m\n",
+			pos,
+			tv.Expect,
+			tv.Result,
+		)
+	}
+}

lib/js/utils.mjs

@@ -17,7 +17,7 @@ const readInput = (fileUrl, delimiter = '\n') => {
 
 const testResults = (expects, results) => {
     if (expects.length === 0) {
-        console.log('Skipped test!');
+        console.log('Skipped tests!');
 
         return;
     }

lib/php/utils.php

@@ -132,7 +132,7 @@ function readInput(string $currentDir, string $delimiter = PHP_EOL): array
 function testResults(array $expects, array $results): void
 {
     if (empty($expects)) {
-        writeln('Skipped test!');
+        writeln('Skipped tests!');
 
         return;
     }

template/.ignore/template.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"advent-of-code/helper"
+	"fmt"
+	"path"
+	"runtime"
+	"time"
+)
+
+func main() {
+	_, f, _, _ := runtime.Caller(0)
+	cwd := path.Join(path.Dir(f))
+
+	input := helper.ReadInput(cwd, helper.NewLine)
+
+	// Execute
+	start := time.Now()
+	result01 := part01(input)
+	result02 := part02(input)
+	executionTime := helper.ExecutionTime(time.Since(start))
+
+	fmt.Printf("Solution Part 1: %v\n", result01)
+	fmt.Printf("Solution Part 2: %v\n", result02)
+	fmt.Printf("Execution time: %s\n", executionTime)
+
+	helper.SaveBenchmarkTime(executionTime, cwd)
+
+	// Testing
+	//helper.TestResults(
+	//	[]helper.TestingValue{
+	//		helper.TestingValue{Result: result01, Expect: nil},
+	//		helper.TestingValue{Result: result02, Expect: nil},
+	//	},
+	//)
+}
+
+// Task code
+func part01(input []string) {
+
+}
+
+func part02(input []string) {
+
+}