.gitignore

@@ -1,3 +1,3 @@
 .idea
 inputs
-inputs_test
+test_inputs

main.go

@@ -3,23 +3,9 @@ package main
 import (
 	"advent-20/solutions"
 	"fmt"
-	"time"
 )
 
 func main() {
-	runAndBenchmark("01", "1", false, solutions.Day01Part01)
-	runAndBenchmark("01", "2", false, solutions.Day01Part02)
-
-	runAndBenchmark("02", "1", false, solutions.Day01Part01)
-	runAndBenchmark("02", "2", false, solutions.Day01Part02)
-}
-
-type execute func(bool) int
-
-func runAndBenchmark(day, part string, isTest bool, fn execute) {
-	startMs := time.Now().UnixMicro()
-	computation := fn(isTest)
-	endMs := time.Now().UnixMicro()
-	duration := endMs - startMs
-	fmt.Printf("Day %s part %s:\t%10d\t%5d micros.\n", day, part, computation, duration)
+	fmt.Println("Day 01 part 1:\t", solutions.Day01Part01(false))
+	fmt.Println("Day 01 part 2:\t", solutions.Day01Part02(false))
 }

solutions/day01.go

@@ -45,7 +45,7 @@ func Day01Part02(isTest bool) int {
 		for j := i + 1; j < arrLen; j += 1 {
 			for k := j + 1; k < arrLen; k += 1 {
 				if values[i]+values[j]+values[k] == 2020 {
-					return values[i] * values[j] * values[k]
+					return (values[i] * values[j] * values[k])
 				}
 			}
 		}

solutions/day02.go

@@ -1,93 +0,0 @@
-package solutions
-
-import (
-	"strconv"
-	"strings"
-)
-
-func passwordPolicy1(input string) bool {
-	dashPosition := strings.Index(input, "-")
-	spacePosition := strings.Index(input, " ")
-	colonPosition := strings.Index(input, ":")
-
-	amountMin, err := strconv.Atoi(input[:dashPosition])
-	if err != nil {
-		panic("Error converting to int")
-	}
-	amountMax, err := strconv.Atoi(input[dashPosition+1 : spacePosition])
-	if err != nil {
-		panic("Error converting to int")
-	}
-
-	letter := input[spacePosition+1 : colonPosition]
-	rest := input[colonPosition+2:]
-
-	charMap := make(map[string]int)
-
-	for _, char := range strings.Split(rest, "") {
-		if _, ok := charMap[char]; ok {
-			charMap[char] += 1
-		} else {
-			charMap[char] = 1
-		}
-	}
-
-	charAmount := charMap[letter]
-
-	if charAmount >= amountMin && charAmount <= amountMax {
-		return true
-	}
-
-	return false
-}
-
-func Day02Part01(isTest bool) int {
-	input := ReadInput("02", isTest)
-	values := strings.Split(input, "\n")
-	correctPasswords := 0
-
-	for _, i := range values {
-		if passwordPolicy1(i) {
-			correctPasswords += 1
-		}
-	}
-
-	return correctPasswords
-}
-
-func passwordPolicy2(input string) bool {
-	dashPosition := strings.Index(input, "-")
-	spacePosition := strings.Index(input, " ")
-	colonPosition := strings.Index(input, ":")
-	firstIdx, err := strconv.Atoi(input[:dashPosition])
-	if err != nil {
-		panic("Error converting to int")
-	}
-	firstIdx -= 1
-	secondIdx, err := strconv.Atoi(input[dashPosition+1 : spacePosition])
-	if err != nil {
-		panic("Error converting to int")
-	}
-	secondIdx -= 1
-	letter := input[spacePosition+1 : colonPosition]
-	rest := input[colonPosition+2:]
-
-	firstIdxIsTrue := string(rest[firstIdx]) == letter
-	secondIdxIsTrue := string(rest[secondIdx]) == letter
-
-	return (firstIdxIsTrue && !secondIdxIsTrue) || (!firstIdxIsTrue && secondIdxIsTrue)
-}
-
-func Day02Part02(isTest bool) int {
-	input := ReadInput("02", isTest)
-	values := strings.Split(input, "\n")
-	correctPasswords := 0
-
-	for _, i := range values {
-		if passwordPolicy2(i) {
-			correctPasswords += 1
-		}
-	}
-
-	return correctPasswords
-}

solutions/utils.go

@@ -10,10 +10,10 @@ const DIR = "/home/fernando/GolandProjects/advent-20/"
 func ReadInput(day string, isTest bool) string {
 	testStr := ""
 	if isTest {
-		testStr = "_test"
+		testStr = "test_"
 	}
 
-	bytes, err := os.ReadFile(DIR + "inputs" + testStr + "/" + day + ".txt")
+	bytes, err := os.ReadFile(DIR + testStr + "inputs/" + day + ".txt")
 	if err != nil {
 		fmt.Println(err)
 		panic("Error reading file.")