75 lines
1.2 KiB
Go
75 lines
1.2 KiB
Go
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package main
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import (
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"AoC2020/helper"
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"fmt"
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"os"
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)
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var pointer int
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var band []int
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func main() {
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args := os.Args[1:]
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input, err := helper.GetInput(args[0])
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if err != nil {
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fmt.Println(err)
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}
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numbers, err := helper.MapToNumber(input)
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if err != nil {
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fmt.Println(err)
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}
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fmt.Printf("%v \n",numbers)
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band = numbers
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breaker := part1(25)
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fmt.Println(breaker)
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fmt.Print(part2(breaker))
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}
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func part1(preambleLen int) int{
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pointer = preambleLen
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isValid := true
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for isValid {
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_,_,err := helper.FindAddendsForSum(band[pointer-preambleLen:pointer],band[pointer])
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if err != nil {
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return band[pointer]
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isValid = false
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}
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pointer++
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}
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return 0
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}
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func part2(breaker int) int{
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for p1 := 0; p1 < len(band); p1++ {
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for p2 := p1 + 1; p2 < len(band); p2++ {
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array := make([]int, len(band[p1:p2]))
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copy(array,band[p1:p2])
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sumArray := 0
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for _,value := range array {
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sumArray += value
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}
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if sumArray == breaker {
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fmt.Printf("%v \n" ,array)
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var max int
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var min int
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for i, val := range array {
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if i==0 || val < min {
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min = val
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}
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if i==0 || val > max {
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max = val
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}
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}
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fmt.Printf("%d , %d \n" ,min, max)
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return min + max
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}
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}
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}
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return 0
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}
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func run(preambleLen int) {
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}
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