From 32b30b4174ec23d5487a47a09ec99a3e4c7ca514 Mon Sep 17 00:00:00 2001
From: Brian Buller <brian@bullercodeworks.com>
Date: Wed, 6 Dec 2023 06:17:00 -0600
Subject: [PATCH] 2023 Day 6 Complete!

---
 2023/day06/input     |  2 ++
 2023/day06/main.go   | 49 ++++++++++++++++++++++++++++++++++++++++++++
 2023/day06/testinput |  2 ++
 3 files changed, 53 insertions(+)
 create mode 100644 2023/day06/input
 create mode 100644 2023/day06/main.go
 create mode 100644 2023/day06/testinput

diff --git a/2023/day06/input b/2023/day06/input
new file mode 100644
index 0000000..17ae311
--- /dev/null
+++ b/2023/day06/input
@@ -0,0 +1,2 @@
+Time:        53     71     78     80
+Distance:   275   1181   1215   1524
diff --git a/2023/day06/main.go b/2023/day06/main.go
new file mode 100644
index 0000000..740392b
--- /dev/null
+++ b/2023/day06/main.go
@@ -0,0 +1,49 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+
+	h "git.bullercodeworks.com/brian/adventofcode/helpers"
+)
+
+func main() {
+	inp := h.StdinToStringSlice()
+	part1(inp)
+	fmt.Println()
+	part2(inp)
+}
+
+func part1(input []string) {
+	var times []int
+	var distances []int
+	for _, v := range strings.Fields(input[0])[1:] {
+		times = append(times, h.Atoi(v))
+	}
+	for _, v := range strings.Fields(input[1])[1:] {
+		distances = append(distances, h.Atoi(v))
+	}
+	res := 1
+	for i := range times {
+		res *= countWaysToWin(times[i], distances[i])
+	}
+	fmt.Println("# Part 1")
+	fmt.Println(res)
+}
+
+func part2(input []string) {
+	time := h.Atoi(strings.ReplaceAll(strings.TrimPrefix(input[0], "Time:"), " ", ""))
+	distance := h.Atoi(strings.ReplaceAll(strings.TrimPrefix(input[1], "Distance:"), " ", ""))
+	fmt.Println("# Part 2")
+	fmt.Println(countWaysToWin(time, distance))
+}
+
+func countWaysToWin(time, distance int) int {
+	var res int
+	for i := 1; i <= time; i++ {
+		if i*(time-i) > distance {
+			res++
+		}
+	}
+	return res
+}
diff --git a/2023/day06/testinput b/2023/day06/testinput
new file mode 100644
index 0000000..28f5ae9
--- /dev/null
+++ b/2023/day06/testinput
@@ -0,0 +1,2 @@
+Time:      7  15   30
+Distance:  9  40  200