65 lines
945 B
Go
65 lines
945 B
Go
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package day_01
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import (
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"fmt"
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"strings"
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"rpjosh.de/adventOfCode2022/pkg/utils"
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)
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type Day struct{}
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func (d *Day) Part1(in string) string {
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current := 0
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max := 0
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for _, val := range strings.Split(in, "\n") {
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if val == "" {
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// Clear it
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if current > max {
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max = current
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}
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current = 0
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continue
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}
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current += utils.ToInt(val)
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}
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return fmt.Sprintf("%d", max)
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}
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func (d *Day) Part2(in string) string {
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current := 0
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var totals []int
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for _, val := range strings.Split(in, "\n") {
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if val == "" {
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// Clear it
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totals = append(totals, current)
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current = 0
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continue
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}
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current += utils.ToInt(val)
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}
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totals = append(totals, current)
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// Sort array
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for i := 0; i < len(totals)-1; i++ {
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if totals[i+1] > totals[i] {
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tmp := totals[i]
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totals[i] = totals[i+1]
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totals[i+1] = tmp
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i = -1
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}
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}
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sum := 0
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for i := 0; i < 3; i++ {
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sum += totals[i]
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}
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return fmt.Sprintf("%d", sum)
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}
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