HappyNumber. 그러나 Hashset은 안쓰였다

Author: cogito1016

python/basic/hashSet/happyNumber.py

@@ -0,0 +1,27 @@
+class Solution(object):
+    def isHappy(self, n):
+        """
+        :type n: int
+        :rtype: bool
+        """
+        while(n != 1):
+            if(n == 4):
+                return False
+
+            strArr = list(str(n))
+            n=0
+            for s in strArr:
+                nTemp = int(s)
+                n += nTemp ** 2
+            print(n)
+        return True
+
+
+# num = 12345
+# print(list(str(num)))
+
+s = Solution()
+print(s.isHappy(1221))
+print(s.isHappy(4))
+print(s.isHappy(7))
+print(s.isHappy(19))