Big update: Adding all advent of codes to same repo

AdventOfCode2015/day2/day2.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"strconv"
+	"time"
+)
+
+func main() {
+
+	fmt.Println("Day 2")
+	start := time.Now()
+
+	dat, err := ioutil.ReadFile("day2.txt")
+	if err != nil {
+		panic(err)
+	}
+
+	lines := bytes.Split(dat, []byte("\n"))
+	total := 0
+	totalPart2 := 0
+
+	for _, value := range lines {
+
+		splitLine := bytes.Split(value, []byte("x"))
+		l, _ := strconv.Atoi(string(splitLine[0]))
+		w, _ := strconv.Atoi(string(splitLine[1]))
+		h, _ := strconv.Atoi(string(splitLine[2]))
+
+		total += 2*l*w + 2*l*h + 2*w*h + MinOf(l*w, w*h, h*l)
+		totalPart2 += MinOf(l*2+w*2, w*2+h*2, h*2+l*2) + l*w*h
+
+	}
+
+	elapsed := time.Since(start)
+	fmt.Printf("Part 1: %v %v \n", total, elapsed)
+	fmt.Printf("Part 2: %v %v", totalPart2, elapsed)
+
+}
+
+func MinOf(vars ...int) int {
+	min := vars[0]
+
+	for _, i := range vars {
+		if min > i {
+			min = i
+		}
+	}
+
+	return min
+}