29 lines
576 B
Go
29 lines
576 B
Go
package main
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import (
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"bufio"
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"fmt"
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"os"
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"aoc2022/day05/common"
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)
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func main() {
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stacks, movements := common.Parse(*bufio.NewScanner(os.Stdin))
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for _, movement := range(movements) {
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topStack := common.Stack{}
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for i := 0; i < movement.GetN(); i++ {
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top, _ := stacks[movement.GetStart() - 1].Pop()
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topStack.Push(top)
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}
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for top, left := topStack.Pop(); left; top, left = topStack.Pop() {
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stacks[movement.GetEnd() - 1].Push(top)
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}
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}
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for _, stack := range(stacks) {
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fmt.Print(string(stack.Peek()))
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}
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fmt.Println()
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}
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