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976d3b5e01
...
37e5c605da
10 changed files with 0 additions and 669 deletions
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@ -1,188 +0,0 @@
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package _023
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import (
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"bufio"
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"io"
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"slices"
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"strings"
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)
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func Day05Part1(input io.Reader) (int, error) {
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scanner := bufio.NewScanner(input)
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scanner.Scan()
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seeds := lineToInts(strings.TrimPrefix(scanner.Text(), "seeds: "))
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scanner.Scan()
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inMap := false
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var currentMap day05Map
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for scanner.Scan() {
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line := scanner.Text()
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if line == "" {
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for i, seed := range seeds {
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seeds[i] = currentMap.convert(seed)
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}
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inMap = false
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currentMap = nil
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} else if strings.HasSuffix(line, "map:") {
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inMap = true
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} else if inMap {
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currentMap = append(currentMap, newDay05Range(line))
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}
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}
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if inMap {
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// Convert one last time if necessary
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for i, seed := range seeds {
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seeds[i] = currentMap.convert(seed)
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}
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}
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return slices.Min(seeds), nil
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}
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func Day05Part2(input io.Reader) (int, error) {
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scanner := bufio.NewScanner(input)
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scanner.Scan()
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seedRanges := parseSeedRanges(lineToInts(strings.TrimPrefix(scanner.Text(), "seeds: ")))
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scanner.Scan()
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inMap := false
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var currentMap day05Map
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for scanner.Scan() {
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line := scanner.Text()
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if line == "" {
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var newRanges []day05SeedRange
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for _, sRange := range seedRanges {
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newRanges = append(newRanges, currentMap.convertRange(sRange)...)
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}
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seedRanges = newRanges
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inMap = false
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currentMap = nil
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} else if strings.HasSuffix(line, "map:") {
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inMap = true
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} else if inMap {
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currentMap = append(currentMap, newDay05Range(line))
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}
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}
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if inMap {
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// Convert one last time if necessary
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var newRanges []day05SeedRange
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for _, sRange := range seedRanges {
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newRanges = append(newRanges, currentMap.convertRange(sRange)...)
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}
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seedRanges = newRanges
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inMap = false
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currentMap = nil
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}
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mini := int(^uint(0) >> 1) // highest int
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for _, r := range seedRanges {
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if r.start < mini {
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mini = r.start
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}
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}
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return mini, nil
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}
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func parseSeedRanges(ints []int) []day05SeedRange {
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ranges := make([]day05SeedRange, len(ints)/2)
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for i := 0; i < len(ints)-1; i += 2 {
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ranges[i/2] = day05SeedRange{start: ints[i], end: ints[i] + ints[i+1]}
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}
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return ranges
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}
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// range is [start; end)
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// start is included, end is not.
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type day05SeedRange struct {
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start, end int
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}
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type day05Range struct {
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destStart, sourceStart, length int
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}
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func newDay05Range(line string) day05Range {
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ints := lineToInts(line)
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return day05Range{
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destStart: ints[0],
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sourceStart: ints[1],
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length: ints[2],
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}
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}
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func (r day05Range) sourceEnd() int {
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return r.sourceStart + r.length
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}
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func (r day05Range) destEnd() int {
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return r.destStart + r.length
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}
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func (r day05Range) convert(n int) (int, bool) {
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if n >= r.sourceStart && n < r.sourceEnd() {
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return r.mustConvert(n), true
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}
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return n, false
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}
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func (r day05Range) mustConvert(n int) int {
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return n - r.sourceStart + r.destStart
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}
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func (r day05Range) convertRange(s day05SeedRange) (converted []day05SeedRange, notConverted []day05SeedRange) {
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if r.sourceStart <= s.start && s.end <= r.sourceEnd() {
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// s-----s
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// r--------r
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return []day05SeedRange{{start: r.mustConvert(s.start), end: r.mustConvert(s.end)}}, nil
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} else if s.start < r.sourceStart && r.sourceStart <= s.end && s.end <= r.sourceEnd() {
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// s-------s
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// r--------r
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return []day05SeedRange{{start: r.destStart, end: r.mustConvert(s.end)}}, []day05SeedRange{{start: s.start, end: r.sourceStart}}
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} else if r.sourceStart <= s.start && s.start <= r.sourceEnd() && r.sourceEnd() < s.end {
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// s-------s
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// r--------r
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return []day05SeedRange{{start: r.mustConvert(s.start), end: r.destEnd()}}, []day05SeedRange{{start: r.sourceEnd(), end: s.end}}
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} else if s.start <= r.sourceStart && r.sourceEnd() < s.end {
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// s------------s
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// r--------r
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return []day05SeedRange{{start: r.destStart, end: r.destEnd()}}, []day05SeedRange{{start: s.start, end: r.sourceStart}, {start: r.sourceEnd(), end: s.end}}
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} else {
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// s---s
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// r-----r
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return nil, []day05SeedRange{s}
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}
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}
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type day05Map []day05Range
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func (m day05Map) convert(n int) int {
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for _, dRange := range m {
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if conv, ok := dRange.convert(n); ok {
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return conv
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}
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}
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return n
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}
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func (m day05Map) convertRange(s day05SeedRange) []day05SeedRange {
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var converted []day05SeedRange
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toConvert := []day05SeedRange{s}
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for _, dRange := range m {
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var toConvertNext []day05SeedRange
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for _, c := range toConvert {
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var conv []day05SeedRange
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conv, toConvertNext = dRange.convertRange(c)
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converted = append(converted, conv...)
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}
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toConvert = toConvertNext
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}
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converted = append(converted, toConvert...)
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return converted
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}
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@ -1,63 +0,0 @@
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package _023
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import (
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"os"
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"testing"
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)
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func TestDay05Part1(t *testing.T) {
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tests := []testCase{
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{"inputs/day05_test1", 1},
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{"inputs/day05", 227653707},
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}
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for _, test := range tests {
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t.Run(test.filename, check(test, Day05Part1))
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}
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t.Run("inputs/day05", func(t *testing.T) {
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file, err := os.Open("inputs/day05")
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require.NoError(t, err)
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got, err := Day05Part1(file)
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require.NoError(t, err)
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assert.Less(t, got, 392296326) // 392296326 is too high
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})
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}
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func TestDay05Part2(t *testing.T) {
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tests := []testCase{
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{"inputs/day05_test2", 46},
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{"inputs/day05", 78775051},
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}
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for _, test := range tests {
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t.Run(test.filename, check(test, Day05Part2))
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}
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}
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func TestDay05Ranges(t *testing.T) {
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tests := []struct {
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name string
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dRange day05Range
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seedRange day05SeedRange
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expected []day05SeedRange
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}{
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{
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"seed included in range",
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day05Range{0, 5, 5},
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day05SeedRange{6, 8},
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[]day05SeedRange{{1, 3}},
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},
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{
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"range included in seed",
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day05Range{0, 10, 2},
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day05SeedRange{9, 13},
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[]day05SeedRange{{0, 2}, {9, 10}, {12, 13}},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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got := day05Map{test.dRange}.convertRange(test.seedRange)
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assert.Equal(t, test.expected, got)
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})
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}
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}
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|
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@ -1,63 +0,0 @@
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package _023
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|
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import (
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"bufio"
|
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"fmt"
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"io"
|
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"math"
|
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"strings"
|
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)
|
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|
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func Day06Part1(input io.Reader) (int, error) {
|
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scanner := bufio.NewScanner(input)
|
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|
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scanner.Scan()
|
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times := lineToInts(strings.TrimPrefix(scanner.Text(), "Time:"))
|
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scanner.Scan()
|
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distances := lineToInts(strings.TrimPrefix(scanner.Text(), "Distance:"))
|
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fmt.Println(times, distances)
|
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|
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margin := 1
|
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|
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for i := 0; i < len(times); i++ {
|
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x1, x2 := zeros(times[i], distances[i])
|
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if distance(x1, times[i]) <= distances[i] {
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x1++
|
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}
|
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margin *= x2 - x1
|
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}
|
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|
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return margin, nil
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}
|
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|
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func zeros(time, distance int) (int, int) {
|
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t, d := float64(time), float64(distance)
|
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delta := math.Sqrt(math.Pow(t, 2) - 4*d)
|
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return int(math.Ceil((t - delta) / 2)), int(math.Ceil((t + delta) / 2))
|
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}
|
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|
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func distance(timePress, timeMax int) int {
|
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return timePress * (timeMax - timePress)
|
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}
|
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|
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func Day06Part2(input io.Reader) (int, error) {
|
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scanner := bufio.NewScanner(input)
|
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|
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scanner.Scan()
|
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times := lineToInts(strings.ReplaceAll(strings.TrimPrefix(scanner.Text(), "Time:"), " ", ""))
|
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scanner.Scan()
|
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distances := lineToInts(strings.ReplaceAll(strings.TrimPrefix(scanner.Text(), "Distance:"), " ", ""))
|
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fmt.Println(times, distances)
|
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|
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margin := 1
|
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|
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for i := 0; i < len(times); i++ {
|
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x1, x2 := zeros(times[i], distances[i])
|
||||
if distance(x1, times[i]) <= distances[i] {
|
||||
x1++
|
||||
}
|
||||
margin *= x2 - x1
|
||||
}
|
||||
|
||||
return margin, nil
|
||||
}
|
||||
|
|
@ -1,25 +0,0 @@
|
|||
package _023
|
||||
|
||||
import (
|
||||
"testing"
|
||||
)
|
||||
|
||||
func TestDay06Part1(t *testing.T) {
|
||||
tests := []testCase{
|
||||
{"inputs/day06_test1", 288},
|
||||
{"inputs/day06", 1660968},
|
||||
}
|
||||
for _, test := range tests {
|
||||
t.Run(test.filename, check(test, Day06Part1))
|
||||
}
|
||||
}
|
||||
|
||||
func TestDay06Part2(t *testing.T) {
|
||||
tests := []testCase{
|
||||
{"inputs/day06_test1", 71503},
|
||||
{"inputs/day06", 26499773},
|
||||
}
|
||||
for _, test := range tests {
|
||||
t.Run(test.filename, check(test, Day06Part2))
|
||||
}
|
||||
}
|
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|
|
@ -1,236 +0,0 @@
|
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seeds: 2880930400 17599561 549922357 200746426 1378552684 43534336 155057073 56546377 824205101 378503603 1678376802 130912435 2685513694 137778160 2492361384 188575752 3139914842 1092214826 2989476473 58874625
|
||||
|
||||
seed-to-soil map:
|
||||
341680072 47360832 98093750
|
||||
1677587229 1836834678 160297919
|
||||
1122651749 4014790961 280176335
|
||||
2279929873 2689269992 53644948
|
||||
3916120104 1199400457 172302726
|
||||
0 381576527 58197295
|
||||
1402828084 3450816018 274759145
|
||||
3909949227 2540063154 6170877
|
||||
802918801 2384227172 155835982
|
||||
4088422830 3244271552 206544466
|
||||
958754783 1997132597 28874650
|
||||
58197295 306349987 75226540
|
||||
180784667 145454582 160895405
|
||||
2334903647 1543332738 293501940
|
||||
3699983017 2997982209 25342830
|
||||
2333574821 2687941166 1328826
|
||||
3111317969 1371703183 171629555
|
||||
2806959198 2135774873 248452299
|
||||
2766721604 717118138 40237594
|
||||
3055411497 2632034694 55906472
|
||||
2628405587 3023325039 138316017
|
||||
1837885148 757355732 442044725
|
||||
3725325847 2813358829 184623380
|
||||
3353391413 2026007247 109767626
|
||||
987629433 3962399141 10015813
|
||||
717118138 2546234031 85800663
|
||||
3282947524 2742914940 70443889
|
||||
1080275742 3972414954 42376007
|
||||
133423835 0 47360832
|
||||
3463159039 3725575163 236823978
|
||||
997645246 3161641056 82630496
|
||||
|
||||
soil-to-fertilizer map:
|
||||
303672059 1087423328 103502353
|
||||
171922589 2907629744 91556518
|
||||
2064217168 468859004 91214014
|
||||
1129888530 1046445685 40977643
|
||||
3698610046 4215442249 79525047
|
||||
1045870106 1586657152 41455160
|
||||
1170866173 1322928302 17679660
|
||||
4160148003 3332238470 107558461
|
||||
4267706464 3853049576 27260832
|
||||
0 3007612896 90771201
|
||||
3447204990 3880310408 249339913
|
||||
1189561657 1438888401 43309463
|
||||
4019710828 3219712242 104981462
|
||||
2226263856 2187322171 114088350
|
||||
553216166 1847338068 182148047
|
||||
3217647099 3439796931 229557891
|
||||
2832115692 1482197864 23307900
|
||||
867366834 94995931 178503272
|
||||
1969221237 0 94995931
|
||||
3785679859 3704810535 148239041
|
||||
1095751900 2693816297 34136630
|
||||
4124692290 3669354822 35455713
|
||||
454935727 1340607962 98280439
|
||||
2204466075 1628112312 21797781
|
||||
1947833351 2164918461 21387886
|
||||
2634687717 1649910093 197427975
|
||||
263479107 2850768768 40192952
|
||||
3696544903 3217647099 2065143
|
||||
735364213 1190925681 132002621
|
||||
3050783393 2337205982 47600704
|
||||
1087325266 2999186262 8426634
|
||||
3778135093 3324693704 7544766
|
||||
2855423592 273499203 195359801
|
||||
90771201 1505505764 81151388
|
||||
2340352206 560073018 290906919
|
||||
1531641800 939263745 107181940
|
||||
1188545833 2186306347 1015824
|
||||
1355686961 850979937 88283808
|
||||
1492181516 2029486115 39460284
|
||||
1638823740 2384806686 309009611
|
||||
2155431182 2894390312 13239432
|
||||
1443970769 2068946399 48210747
|
||||
1232871120 2727952927 122815841
|
||||
3933918900 4129650321 85791928
|
||||
2631259125 2890961720 3428592
|
||||
407174412 2117157146 47761315
|
||||
2168670614 2301410521 35795461
|
||||
|
||||
fertilizer-to-water map:
|
||||
4253126168 3603943470 41841128
|
||||
3150812716 3873122781 161556325
|
||||
4132148538 3445929121 16652907
|
||||
4071215062 2557593856 10373731
|
||||
3585414898 2401284809 61555959
|
||||
124617758 989226185 56063423
|
||||
1311995731 916233018 72993167
|
||||
180681181 891200267 25032751
|
||||
1577315548 1448436684 231921083
|
||||
69948934 1391916079 39397864
|
||||
2730663795 3577458422 26485048
|
||||
2453473122 3255362867 102306532
|
||||
4148801445 3801350502 12292818
|
||||
3002725397 3107275548 148087319
|
||||
3525935437 3813643320 59479461
|
||||
3982955340 3357669399 88259722
|
||||
2631712351 2567967587 98951444
|
||||
628324302 2038793089 109830184
|
||||
3427245435 3721480891 3936914
|
||||
796140554 1045289608 36965524
|
||||
939693576 1140241200 24301167
|
||||
205713932 1680357767 358435322
|
||||
4161094263 2666919031 92031905
|
||||
1103981621 0 206162329
|
||||
1809236631 761213122 129987145
|
||||
1310143950 1431313943 1851781
|
||||
4081588793 3056715803 50559745
|
||||
738154486 1082255132 57986068
|
||||
564149254 206162329 64175048
|
||||
3722667150 4034679106 260288190
|
||||
3431182349 2462840768 94753088
|
||||
109346798 1433165724 15270960
|
||||
2757148843 2811139249 245576554
|
||||
1044349135 2294919620 59632486
|
||||
833106078 270337377 106587498
|
||||
3646970857 3645784598 75696293
|
||||
0 2354552106 4006979
|
||||
1974270838 376924875 384288247
|
||||
3312369041 3462582028 114876394
|
||||
2401284809 2758950936 52188313
|
||||
1384988898 1199589429 192326650
|
||||
963994743 2214565228 80354392
|
||||
1939223776 1164542367 35047062
|
||||
4006979 2148623273 65941955
|
||||
2555779654 3725417805 75932697
|
||||
|
||||
water-to-light map:
|
||||
1553071310 2767299260 81555093
|
||||
1638385137 3758734 7165416
|
||||
3923895602 3742459208 355646104
|
||||
2563492152 40550035 317968
|
||||
357175543 151852464 53516575
|
||||
756535305 2730597762 36701498
|
||||
1142337672 1915537677 164067723
|
||||
436470886 2848854353 61956232
|
||||
1316538987 1679005354 102639946
|
||||
609765571 2079605400 146769734
|
||||
1306405395 2660382036 10133592
|
||||
3817572860 3406157555 106322742
|
||||
2023184953 353497588 62195869
|
||||
3531543848 4223491605 71475691
|
||||
410692118 126073696 25778768
|
||||
4279541706 3727562743 14896465
|
||||
2903607795 1495097536 74179449
|
||||
1794747312 2279656479 95385933
|
||||
2783150325 2269091374 10565105
|
||||
3406157555 4098105312 125386293
|
||||
2145462956 205369039 148128549
|
||||
2833741244 2401175172 69866551
|
||||
793236803 685594104 306384629
|
||||
1645550553 2511185277 149196759
|
||||
1419178933 1781645300 133892377
|
||||
1634626403 0 3758734
|
||||
3274934245 2471041723 36449164
|
||||
0 1097896179 357175543
|
||||
2563810120 991978733 105917446
|
||||
4294438171 3727033618 529125
|
||||
2688189328 1569276985 94960997
|
||||
2669727566 2507490887 3694390
|
||||
3311383409 10924150 29625885
|
||||
1099621432 2226375134 42716240
|
||||
1890133245 2910810585 133051708
|
||||
583632811 2375042412 26132760
|
||||
498427118 40868003 85205693
|
||||
2293591505 415693457 269900647
|
||||
2673421956 1664237982 14767372
|
||||
2085380822 2670515628 60082134
|
||||
3603019539 3512480297 214553321
|
||||
2977787244 3043862293 297147001
|
||||
2793715430 1455071722 40025814
|
||||
|
||||
light-to-temperature map:
|
||||
3752181853 3850028427 61847460
|
||||
3392702182 4061054452 68370555
|
||||
3610251302 4129425007 141930551
|
||||
2019529001 2633762146 55812503
|
||||
1423059901 2612524947 21237199
|
||||
1637625157 3160312690 128493598
|
||||
2109055159 2018596226 368399035
|
||||
343891384 811352094 920120231
|
||||
154347384 2422980947 189544000
|
||||
2075341504 1978947609 33713655
|
||||
1444297100 2966984633 193328057
|
||||
35985686 2689574649 118361698
|
||||
2477454194 0 811352094
|
||||
1772053717 1854798742 124148867
|
||||
1264011615 2807936347 159048286
|
||||
0 2386995261 35985686
|
||||
1766118755 2012661264 5934962
|
||||
3814029313 3392702182 457326245
|
||||
3461072737 3911875887 149178565
|
||||
1896202584 1731472325 123326417
|
||||
|
||||
temperature-to-humidity map:
|
||||
3344602117 2991074372 262457649
|
||||
1707309180 3911386116 383581180
|
||||
3778482785 2130995124 374719434
|
||||
3607059766 3253532021 171423019
|
||||
584508486 478912361 161371970
|
||||
1578590582 2505714558 128718598
|
||||
3294145751 1806488186 50456366
|
||||
1143023241 2829557603 161516769
|
||||
1304540010 1856944552 274050572
|
||||
2090890360 3424955040 344665999
|
||||
2435556359 1143023241 663464945
|
||||
496214964 1000471163 88293522
|
||||
0 640284331 360186832
|
||||
3099021304 2634433156 195124447
|
||||
360186832 342884229 136028132
|
||||
745880456 0 342884229
|
||||
4153202219 3769621039 141765077
|
||||
|
||||
humidity-to-location map:
|
||||
3114211644 984440400 35385940
|
||||
3530465412 479339778 128291026
|
||||
0 3699707734 285474938
|
||||
2898087648 3606829306 92878428
|
||||
2762235329 607630804 135852319
|
||||
4210792153 4197161772 84175143
|
||||
3149597584 31394121 380867828
|
||||
1848709689 0 31394121
|
||||
1880103810 412261949 67077829
|
||||
285474938 1579019790 1563234751
|
||||
2990966076 3566305423 40523883
|
||||
2434079297 1019826340 328156032
|
||||
2371232521 3985182672 62846776
|
||||
1947181639 3142254541 424050882
|
||||
3899713715 1347982372 148315733
|
||||
3031489959 1496298105 82721685
|
||||
4197161772 4281336915 13630381
|
||||
3658756438 743483123 240957277
|
||||
|
|
@ -1,34 +0,0 @@
|
|||
seeds: 79 14 55 13
|
||||
|
||||
seed-to-soil map:
|
||||
50 98 2
|
||||
52 50 48
|
||||
|
||||
soil-to-fertilizer map:
|
||||
0 15 37
|
||||
37 52 2
|
||||
39 0 15
|
||||
|
||||
fertilizer-to-water map:
|
||||
49 53 8
|
||||
0 11 42
|
||||
42 0 7
|
||||
57 7 4
|
||||
|
||||
water-to-light map:
|
||||
88 18 7
|
||||
18 25 70
|
||||
|
||||
light-to-temperature map:
|
||||
45 77 23
|
||||
81 45 19
|
||||
68 64 13
|
||||
|
||||
temperature-to-humidity map:
|
||||
0 69 1
|
||||
1 0 69
|
||||
|
||||
humidity-to-location map:
|
||||
60 56 37
|
||||
56 93 4
|
||||
1 35 1
|
||||
|
|
@ -1,33 +0,0 @@
|
|||
seeds: 79 14 55 13
|
||||
|
||||
seed-to-soil map:
|
||||
50 98 2
|
||||
52 50 48
|
||||
|
||||
soil-to-fertilizer map:
|
||||
0 15 37
|
||||
37 52 2
|
||||
39 0 15
|
||||
|
||||
fertilizer-to-water map:
|
||||
49 53 8
|
||||
0 11 42
|
||||
42 0 7
|
||||
57 7 4
|
||||
|
||||
water-to-light map:
|
||||
88 18 7
|
||||
18 25 70
|
||||
|
||||
light-to-temperature map:
|
||||
45 77 23
|
||||
81 45 19
|
||||
68 64 13
|
||||
|
||||
temperature-to-humidity map:
|
||||
0 69 1
|
||||
1 0 69
|
||||
|
||||
humidity-to-location map:
|
||||
60 56 37
|
||||
56 93 4
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Time: 47 98 66 98
|
||||
Distance: 400 1213 1011 1540
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Time: 7 15 30
|
||||
Distance: 9 40 200
|
||||
23
2023/lib.go
23
2023/lib.go
|
|
@ -1,23 +0,0 @@
|
|||
package _023
|
||||
|
||||
import (
|
||||
"regexp"
|
||||
"strconv"
|
||||
"strings"
|
||||
)
|
||||
|
||||
var reg = regexp.MustCompile(`\s+`)
|
||||
|
||||
func lineToInts(line string) []int {
|
||||
line = strings.TrimSpace(line)
|
||||
values := reg.Split(line, -1)
|
||||
ints := make([]int, len(values))
|
||||
for i, value := range values {
|
||||
number, err := strconv.Atoi(value)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
ints[i] = number
|
||||
}
|
||||
return ints
|
||||
}
|
||||
Loading…
Reference in a new issue