Data commit

Task/Iterated-digits-squaring/Go/iterated-digits-squaring.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	var d, n, o, u, u89 int64
+
+	for n = 1; n < 100000000; n++ {
+		o = n
+		for {
+			u = 0
+			for {
+				d = o%10
+				o = (o - d) / 10
+				u += d*d
+				if o == 0 {
+					break
+				}
+			}
+			if u == 89 || u == 1 {
+				if u == 89 { u89++ }
+				break
+			}
+			o = u
+		}
+	}
+	fmt.Println(u89)
+}