Problem 301

jcbantuelle · Oct 5, 2018 · c0bfdbb · c0bfdbb
1 parent a5c2cf4
commit c0bfdbb
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/301.rb b/301.rb
@@ -0,0 +1,6 @@
+winners = 0
+1.upto(2**30) do |n|
+  winners += 1 if n ^ (n*2) ^ (n*3) == 0
+  puts n if n % 10_000_000 == 0
+end
+puts winners