Something wrong with Leetcode submission verifier?


  • 0
    W

    Global variables are evils, maybe. But what's wrong with a property of a class?!

    class Solution(object):
        mem = []
        def isHappy(self, n):
            self.mem.append(n)
            S = 0
            while n!=0:
                r = n%10
                n = int(n/10)
                S += r*r
            if S == 1:
                return True
            elif S in self.mem:
                return False
            else:
                return self.isHappy(S)

  • 0

    You need to reset the global variable between test cases. Please read the FAQ for more details.


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