Ruby Solution for Happy Number

Gyanachand1 · Jan 5, 2023 · 0768bd6 · 0768bd6
1 parent eff3535
commit 0768bd6
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/ruby/0202-happy-number.rb b/ruby/0202-happy-number.rb
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+def is_happy(n)
+ visit = Set.new([])
+
+ while !visit.include?(n)
+ visit.add(n)
+ n = sum_of_squares(n)
+ return true if n==1
+ end
+
+ return false
+
+end
+
+def sum_of_squares(n)
+ output = 0
+ while n != 0
+ digit = n%10
+ output += (digit*digit)
+ n = n/10
+ end
+ return output
+end