Switching pcs

2018/day23/day23.go

@@ -0,0 +1,103 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"math"
+	"os"
+	"strconv"
+	"strings"
+)
+
+var collective *Collective
+
+func main() {
+	input := stdinToStringSlice()
+
+	collective = &Collective{}
+	for _, v := range input {
+		collective.bots = append(collective.bots, NewBot(v))
+	}
+	part1()
+}
+
+func part1() {
+	s := collective.strongest()
+	fmt.Println("= Part 1 =")
+	fmt.Println(len(collective.inRange(s)))
+}
+
+func part2() {
+	finder := &Bot{}
+}
+
+type Collective struct {
+	bots []*Bot
+}
+
+func (c *Collective) inRange(b *Bot) []*Bot {
+	var ret []*Bot
+	for _, v := range c.bots {
+		if c.distance(b, v) <= b.radius {
+			ret = append(ret, v)
+		}
+	}
+	return ret
+}
+
+func (c *Collective) strongest() *Bot {
+	strongest := c.bots[0]
+	for _, v := range c.bots {
+		if v.radius > strongest.radius {
+			strongest = v
+		}
+	}
+	return strongest
+}
+
+func (c *Collective) distance(b1, b2 *Bot) int {
+	xs := math.Abs(float64(b1.x) - float64(b2.x))
+	ys := math.Abs(float64(b1.y) - float64(b2.y))
+	zs := math.Abs(float64(b1.z) - float64(b2.z))
+	return int(xs + ys + zs)
+}
+
+type Bot struct {
+	x, y, z int
+	radius  int
+}
+
+func NewBot(args string) *Bot {
+	pts := strings.Split(args, ", ")
+	pos := strings.Split(pts[0][5:len(pts[0])-1], ",")
+	r := strings.Split(pts[1], "=")[1]
+	return &Bot{
+		x:      atoi(pos[0]),
+		y:      atoi(pos[1]),
+		z:      atoi(pos[2]),
+		radius: atoi(r),
+	}
+}
+
+func (b *Bot) string() string {
+	return fmt.Sprintf("(%d,%d,%d : %d)", b.x, b.y, b.z, b.radius)
+}
+
+func stdinToStringSlice() []string {
+	var input []string
+	scanner := bufio.NewScanner(os.Stdin)
+	for scanner.Scan() {
+		input = append(input, scanner.Text())
+	}
+	return input
+}
+
+func atoi(i string) int {
+	var ret int
+	var err error
+	if ret, err = strconv.Atoi(i); err != nil {
+		log.Fatal("Invalid Atoi")
+	}
+	return ret
+}

2018/day23/testinput

@@ -0,0 +1,9 @@
+pos=<0,0,0>, r=4
+pos=<1,0,0>, r=1
+pos=<4,0,0>, r=3
+pos=<0,2,0>, r=1
+pos=<0,5,0>, r=3
+pos=<0,0,3>, r=1
+pos=<1,1,1>, r=1
+pos=<1,1,2>, r=1
+pos=<1,3,1>, r=1

2018/day24/day24.go

@@ -0,0 +1,19 @@
+package main
+
+import "fmt"
+
+const ()
+
+func main() {
+	fmt.Println("vim-go")
+}
+
+type AttackType int
+
+type Army struct {
+	units      int
+	hp         int
+	weaknesses []string
+	strength   int
+	dam
+}

2018/day24/input

@@ -0,0 +1,23 @@
+Immune System:
+2991 units each with 8084 hit points (weak to fire) with an attack that does 19 radiation damage at initiative 11
+4513 units each with 3901 hit points (weak to slashing; immune to bludgeoning, radiation) with an attack that does 7 bludgeoning damage at initiative 12
+5007 units each with 9502 hit points (immune to bludgeoning; weak to fire) with an attack that does 16 fire damage at initiative 2
+2007 units each with 5188 hit points (weak to radiation) with an attack that does 23 cold damage at initiative 9
+1680 units each with 1873 hit points (immune to bludgeoning; weak to radiation) with an attack that does 10 bludgeoning damage at initiative 10
+1344 units each with 9093 hit points (immune to bludgeoning, cold; weak to radiation) with an attack that does 63 cold damage at initiative 16
+498 units each with 2425 hit points (immune to fire, bludgeoning, cold) with an attack that does 44 slashing damage at initiative 3
+1166 units each with 7295 hit points with an attack that does 56 bludgeoning damage at initiative 8
+613 units each with 13254 hit points (immune to radiation, cold, fire) with an attack that does 162 radiation damage at initiative 15
+1431 units each with 2848 hit points (weak to radiation) with an attack that does 19 cold damage at initiative 1
+
+Infection:
+700 units each with 47055 hit points (weak to fire; immune to slashing) with an attack that does 116 fire damage at initiative 14
+2654 units each with 13093 hit points (weak to radiation) with an attack that does 8 radiation damage at initiative 19
+5513 units each with 18026 hit points (immune to radiation; weak to slashing) with an attack that does 6 slashing damage at initiative 20
+89 units each with 48412 hit points (weak to cold) with an attack that does 815 radiation damage at initiative 17
+2995 units each with 51205 hit points (weak to cold) with an attack that does 28 slashing damage at initiative 7
+495 units each with 21912 hit points with an attack that does 82 cold damage at initiative 13
+2911 units each with 13547 hit points with an attack that does 7 slashing damage at initiative 18
+1017 units each with 28427 hit points (immune to fire) with an attack that does 52 fire damage at initiative 4
+2048 units each with 29191 hit points (weak to bludgeoning) with an attack that does 22 bludgeoning damage at initiative 6
+1718 units each with 15725 hit points (immune to cold) with an attack that does 18 slashing damage at initiative 5