91 lines
1.5 KiB
Go
91 lines
1.5 KiB
Go
package day_10
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import (
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"fmt"
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"strconv"
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"strings"
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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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sumSignals := 0
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cycle := 0
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sumValue := 1
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for _, val := range strings.Split(in, "\n") {
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if val == "" {
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continue
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}
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iterator := 1
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if val[0:4] == "addx" {
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iterator = 2
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}
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for i := 0; i < iterator; i++ {
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cycle++
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if (cycle-20)%40 == 0 {
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//fmt.Printf("Cycle: %d | Strength: %d\n", cycle, sumValue)
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sumSignals += cycle * sumValue
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}
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}
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if val[0:4] == "addx" {
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valToAdd, _ := strconv.Atoi(val[5:])
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sumValue += valToAdd
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}
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}
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return fmt.Sprintf("%d", sumSignals)
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}
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func (d *Day) Part2(in string) string {
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//var screen [][]string = make([]string, 200)
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//for i := range screen {
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// screen [i] = append(screen, 39)
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//}
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cycle := 0
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sumValue := 1
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lastSpriteRow := 0
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for _, val := range strings.Split(in, "\n") {
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if val == "" {
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continue
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}
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iterator := 1
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if val[0:4] == "addx" {
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iterator = 2
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}
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for i := 0; i < iterator; i++ {
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// The middle of the sprite
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spriteColumn := sumValue % 40
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cyclePos := cycle % 40
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if cyclePos-1 == spriteColumn || cyclePos == spriteColumn || cyclePos+1 == spriteColumn {
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fmt.Print("#")
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} else {
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fmt.Print(".")
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}
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cycle++
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// Print new line
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spriteRow := cycle / 40
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if lastSpriteRow != spriteRow {
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fmt.Print("\n")
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lastSpriteRow = spriteRow
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}
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}
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if val[0:4] == "addx" {
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valToAdd, _ := strconv.Atoi(val[5:])
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sumValue += valToAdd
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}
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}
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return ""
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}
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