Initial data commit

Task/Damm-algorithm/Go/damm-algorithm.go

@@ -0,0 +1,30 @@
+package main
+
+import "fmt"
+
+var table = [10][10]byte{
+    {0, 3, 1, 7, 5, 9, 8, 6, 4, 2},
+    {7, 0, 9, 2, 1, 5, 4, 8, 6, 3},
+    {4, 2, 0, 6, 8, 7, 1, 3, 5, 9},
+    {1, 7, 5, 0, 9, 8, 3, 4, 2, 6},
+    {6, 1, 2, 3, 0, 4, 5, 9, 7, 8},
+    {3, 6, 7, 4, 2, 0, 9, 5, 8, 1},
+    {5, 8, 6, 9, 7, 2, 0, 1, 3, 4},
+    {8, 9, 4, 5, 3, 6, 2, 0, 1, 7},
+    {9, 4, 3, 8, 6, 1, 7, 2, 0, 5},
+    {2, 5, 8, 1, 4, 3, 6, 7, 9, 0},
+}
+
+func damm(input string) bool {
+    var interim byte
+    for _, c := range []byte(input) {
+        interim = table[interim][c-'0']
+    }
+    return interim == 0
+}
+
+func main() {
+    for _, s := range []string{"5724", "5727", "112946", "112949"} {
+        fmt.Printf("%6s  %t\n", s, damm(s))
+    }
+}