2021 Day 1 Complete!

2021/day01/main.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"fmt"
+
+	h "git.bullercodeworks.com/brian/adventofcode/helpers"
+)
+
+func main() {
+	inp := h.StdinToIntSlice()
+	fmt.Println("# Part 1")
+	part1(inp)
+	fmt.Println("# Part 2")
+	part2(inp)
+}
+
+func part1(input []int) {
+	var inc int
+	for i := 1; i < len(input); i++ {
+		if input[i] > input[i-1] {
+			inc++
+		}
+	}
+	fmt.Printf("%d measurements increased\n", inc)
+}
+
+func part2(input []int) {
+	var inc int
+	for i := 1; i < len(input); i++ {
+		if i < len(input)-2 {
+			a := input[i-1] + input[i] + input[i+1]
+			b := input[i] + input[i+1] + input[i+2]
+			if b > a {
+				inc++
+			}
+		}
+	}
+	fmt.Printf("%d measurement windows increased\n", inc)
+}

2021/day01/testinput

@@ -0,0 +1,10 @@
+199
+200
+208
+210
+200
+207
+240
+269
+260
+263