fine, I'll put them on github

2/2.2.go

@@ -0,0 +1,51 @@
+package main
+
+import "os"
+import "fmt"
+import "strings"
+import "strconv"
+import "bufio"
+
+// cat input | go run 2.2.go
+
+func main() {
+
+	scanner := bufio.NewScanner(os.Stdin)
+	checksum := 0
+	for scanner.Scan() {
+
+		s := strings.Split(scanner.Text(), "\t")
+		fmt.Println(s)
+
+		for index, element := range s {
+			fmt.Println(index, element)
+			i, _ := strconv.Atoi(element)
+
+			for index2, e2 := range s {
+
+				i2, _ := strconv.Atoi(e2)
+
+				if index == index2 {
+					continue
+				}
+				if i2 > i {
+					continue
+				}
+
+				result := float64(i) / float64(i2)
+				ir := float64(int(result))
+
+				if result == ir {
+					fmt.Println("yes!", i, i2, result)
+					checksum += int(result)
+				}
+
+			}
+		}
+
+		fmt.Println("---")
+
+	}
+
+	fmt.Println(checksum)
+}

2/2.go

@@ -0,0 +1,41 @@
+package main
+
+import "os"
+import "fmt"
+import "strings"
+import "strconv"
+import "bufio"
+
+// cat input | go run 2.go
+
+func main() {
+
+	scanner := bufio.NewScanner(os.Stdin)
+	checksum := 0
+	for scanner.Scan() {
+
+		min := 9999999999999 // messy, but whatever.
+		max := 0
+		s := strings.Split(scanner.Text(), "\t")
+
+		for index, element := range s {
+			fmt.Println(index, element)
+			i, _ := strconv.Atoi(element)
+			if i < min {
+				min = i
+			}
+			if i > max {
+				max = i
+			}
+		}
+
+		diff := max - min
+		checksum += diff
+		fmt.Println("min", min, "max", max, "diff", diff)
+		fmt.Println("---")
+
+	}
+
+	fmt.Println(checksum)
+
+}