Day 2

Dependencies

• [2] XBZHQ672 Day 1 solution

Change contents

• file addition: day2.go (----------)
  [2.7]
  + package main

  +

  + import "fmt"

  + import "os"

  + import "bufio"

  + import "strings"

  + import "strconv"

  +

  + func check(e error) {

  + if e != nil {

  + panic(e)

  + }

  + }

  +

  + func maxmin(l []int) (int,int) {

  + n, x := l[0], l[0]

  + for _, v := range l[1:] {

  + if(v > x) {

  + x = v

  + }

  + if(v < n) {

  + n = v

  + }

  + }

  + return x, n

  + }

  +

  + func main() {

  + filename := os.Args[1]

  + ssFile, error := os.Open(filename)

  + check(error)

  + ss := bufio.NewScanner(bufio.NewReader(ssFile))

  + cs := 0

  + for ss.Scan() {

  + line := ss.Text()

  + ls := bufio.NewScanner(strings.NewReader(line))

  + ls.Split(bufio.ScanWords)

  + numbers := []int{}

  + for ls.Scan() {

  + var i int

  + i, error = strconv.Atoi(ls.Text())

  + numbers = append(numbers, i)

  + }

  + x, n := maxmin(numbers)

  + cs += x - n

  + }

  + fmt.Println(cs)

  + }