Reading numbers

7-1/main.go

@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"bytes"
 	"fmt"
+	"math"
 	"os"
 	"strconv"
 )
@@ -15,6 +16,42 @@ func main() {
 		return
 	}
 
+	// Alright, I am going for the simplest and most (reasonably) computationally expensive solution
+	// So like... Don't hate on me for this XD
+	findMinMax := func(slice []int) (min int, max int) {
+		min = slice[0]
+		max = slice[0]
+		for _, value := range slice {
+			if value < min {
+				min = value
+			}
+			if value > max {
+				max = value
+			}
+		}
+		return
+	}
+
+	min, max := findMinMax(numbers)
+	leastFuel := max
+	position := 0
+	for i := min; i < max; i++ {
+		fuel, _ := calculateFuel(numbers, i)
+		if fuel < leastFuel {
+			leastFuel = fuel
+			position = i
+		}
+	}
+
+	fmt.Printf("The least amount of fuel is: %d at position %d", leastFuel, position)
+}
+
+func calculateFuel(numbers []int, target int) (int, error) {
+	fuel := 0
+	for i := 0; i < len(numbers); i++ {
+		fuel += int(math.Abs(float64((numbers[i] - target))))
+	}
+	return fuel, nil
 }
 
 func readInput(inputfile string) ([]int, error) {