Data commit

Task/Super-d-numbers/Go/super-d-numbers.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+    "fmt"
+    "math/big"
+    "strings"
+    "time"
+)
+
+func main() {
+    start := time.Now()
+    rd := []string{"22", "333", "4444", "55555", "666666", "7777777", "88888888", "999999999"}
+    one := big.NewInt(1)
+    nine := big.NewInt(9)
+    for i := big.NewInt(2); i.Cmp(nine) <= 0; i.Add(i, one) {
+        fmt.Printf("First 10 super-%d numbers:\n", i)
+        ii := i.Uint64()
+        k := new(big.Int)
+        count := 0
+    inner:
+        for j := big.NewInt(3); ; j.Add(j, one) {
+            k.Exp(j, i, nil)
+            k.Mul(i, k)
+            ix := strings.Index(k.String(), rd[ii-2])
+            if ix >= 0 {
+                count++
+                fmt.Printf("%d ", j)
+                if count == 10 {
+                    fmt.Printf("\nfound in %d ms\n\n", time.Since(start).Milliseconds())
+                    break inner
+                }
+            }
+        }
+    }
+}