2021/03 part 1 finished started with part 2

2021/day3/main.go

@@ -3,7 +3,10 @@ package main
 import (
 	"bufio"
 	"fmt"
+	"math/bits"
 	"os"
+	"strconv"
+	"strings"
 )
 
 func GetData(s string) []string {
@@ -19,39 +22,96 @@ func GetData(s string) []string {
 	}
 	return result
 }
+func ConvertToUsefulData(s []string) [][]uint {
+	a := make([][]uint, len(s[0]))
+	for i := range a {
+		a[i] = make([]uint, len(s))
+	}
+	for i, data := range s {
+		split := strings.Split(data, "")
+		for j, data2 := range split {
+			x, _ := strconv.Atoi(data2)
+			a[j][i] = uint(x)
+		}
+	}
+	return a
+}
 func main() {
-	fmt.Println("GoFast!")
-
+	result := Part1(ConvertToUsefulData(GetData("./data")))
+	fmt.Printf("The Power consumption is: %d", result)
 }
 
-func Part1(s []string) int {
-	var store []rune
-	var result []string
-	resultLen := len([]rune(s[0]))
-
-	for x := 0; x < resultLen; x++ {
-		zero, one := 0, 0
-		for _, report := range s {
-			chars := []rune(report)
-			store = append(store, chars[x])
+func Part1(data [][]uint) uint {
+	gammaRate := uint(0)
+	epsilonRate := uint(0)
+	for _, rows := range data {
+		dict := make(map[uint]uint)
+		for _, entry := range rows {
+			dict[entry] = dict[entry] + 1
 		}
-		for _, data := range store {
-			switch data {
-			case '0':
-				zero += 1
-			case '1':
-				one += 1
-			}
-		}
-
-		fmt.Println(zero, one)
-		if zero < one {
-			result = append(result, "1")
+		if dict[0] > dict[1] {
+			gammaRate = gammaRate << 1
+			epsilonRate = epsilonRate << 1
+			epsilonRate, _ = bits.Add(epsilonRate, 1, 0)
 		} else {
-			result = append(result, "0")
+			gammaRate = gammaRate << 1
+			epsilonRate = epsilonRate << 1
+			gammaRate, _ = bits.Add(gammaRate, 1, 0)
 		}
-		zero, one = 0, 0
 	}
-	fmt.Println(result)
+	//fmt.Printf("Gamma Rate: %b as int (%d)\n", gammaRate, gammaRate)
+	//fmt.Printf("Epsilon Rate: %b as int (%d)\n", epsilonRate, epsilonRate)
+
+	return gammaRate * epsilonRate
+}
+func ConvertToUsefulDataPart2(s []string) [][]uint {
+	a := make([][]uint, len(s))
+	for i := range a {
+		a[i] = make([]uint, len(s[0]))
+	}
+	for i, data := range s {
+		split := strings.Split(data, "")
+		for j, data2 := range split {
+			x, _ := strconv.Atoi(data2)
+			a[j][i] = uint(x)
+		}
+	}
+	return a
+}
+
+func WhichIsMore(data []uint) int {
+	dict := make(map[uint]uint)
+	for _, entry := range data {
+		dict[entry] = dict[entry] + 1
+	}
+	if dict[0] == dict[1] {
+		return 1
+	}
+	if dict[0] < dict[1] {
+		return 1
+	}
+	if dict[0] > dict[1] {
+		return 0
+	}
 	return 0
 }
+
+func Part2(data [][]uint) (uint, uint) {
+	oxygenRate := uint(0)
+	for _, row := range data {
+		fmt.Println(row)
+		more := WhichIsMore(row)
+		//countOnly := WhichIsMore(row)
+		switch more {
+		case 0:
+
+		case 1:
+
+		}
+
+	}
+	for _, row := range data {
+		fmt.Println(row)
+	}
+	return 0, 0
+}