challenges

commit 7c25b37608cff31b5f5d017ddf268c67f3c6fee0
parent 560a86c995620860796a744a42411ca53e48f4c8
Author: Ryan Wolf <johnwayne@pseudony.ms>
Date:   Tue, 27 Apr 2021 22:35:23 -0400

golang soln for project euler 26

Diffstat:
A
projecteuler/026/026.go
 | 
26
++++++++++++++++++++++++++

1 file changed, 26 insertions(+), 0 deletions(-)
diff --git a/projecteuler/026/026.go b/projecteuler/026/026.go
@@ -0,0 +1,26 @@
+package main
+
+import "fmt"
+
+func main() {
+	l := 0
+	d := 2
+	for i := 2; i < 1000; i++ {
+		cL := 0
+		s := make(map[int]bool)
+		for j := 10; !s[j]; j = (j % i) * 10 {
+			if j == 0 {
+				// Doesn't repeat.
+				cL = 0
+				break
+			}
+			cL++
+			s[j] = true
+		}
+		if cL > l {
+			l = cL
+			d = i
+		}
+	}
+	fmt.Println(d)
+}