Add hacky solution day 14 part 2

Author: terminalnode

README.md

@@ -41,11 +41,11 @@ automatically rebuilt and redeployed ever time the `common` module or their own
 
 ## Progress
 * ⭐ means solved
-* 🥸 means solved, but takes over a minute to run
+* 🥸 means solved, but takes over a minute to run, or requires some manual tinkering
 
 | Day | Solution | Day | Solution |
 |-----|----------|-----|----------|
-| 01  | ⭐ ⭐      | 14  | ⭐        |
+| 01  | ⭐ ⭐      | 14  | ⭐ 🥸     |
 | 02  | ⭐ ⭐      | 15  |          |
 | 03  | ⭐ ⭐      | 16  |          |
 | 04  | ⭐ ⭐      | 17  |          |

solutions/day14/main.go

@@ -1,9 +1,11 @@
 package main
 
 import (
+	"bytes"
 	"fmt"
 	"github.com/terminalnode/adventofcode2024/common"
 	"github.com/terminalnode/adventofcode2024/common/util"
+	"log"
 )
 
 const maxX = 100
@@ -12,7 +14,7 @@ const horizontalLine = maxY / 2
 const verticalLine = maxX / 2
 
 func main() {
-	common.Setup(14, part1, nil)
+	common.Setup(14, part1, part2)
 }
 
 func part1(
@@ -43,6 +45,22 @@ func part1(
 	return fmt.Sprintf("After 100 seconds, area has a safety factor of %d", q1*q2*q3*q4)
 }
 
+func part2(
+	input string,
+) string {
+	robots, err := parseRobots(input)
+	if err != nil {
+		return fmt.Sprintf("Failed to parse robots: %v", err)
+	}
+
+	// It's not going to be be very early, so lets save some time by skipping 5k
+	for i := 5000; i < 15_000; i++ {
+		printPositions(i, getNewPositions(robots, i))
+	}
+
+	return "kubectl logs -l day=14 -f | tee -a log.txt, then grep for a bunch of # :-)"
+}
+
 func getNewPositions(
 	robots []robot,
 	seconds int,
@@ -51,7 +69,26 @@ func getNewPositions(
 	for i, r := range robots {
 		move := r.move.Multiply(seconds, seconds)
 		out[i] = r.init.Add(move.X, move.Y).PositiveModulo(maxX+1, maxY+1)
-
 	}
 	return out
 }
+
+func printPositions(
+	steps int,
+	positions []util.Coordinate,
+) {
+	m := make([][]byte, maxY+1)
+	for y := range m {
+		m[y] = bytes.Repeat([]byte{'.'}, maxX+1)
+	}
+
+	for _, p := range positions {
+		m[p.Y][p.X] = '#'
+	}
+
+	log.Println("Matrix after step ", steps)
+	for _, r := range m {
+		log.Println(string(r))
+	}
+	log.Println("------------------")
+}