SRM597 Div2 easy

LittleElephantAndDouble.py

class LittleElephantAndDouble:
    def getAnswer(self, A):
        m = max(A)
        for a in A:
            if not self.doubleUntilM(a, m):
                return 'NO'
        return 'YES'

    def doubleUntilM(self, a, m):
        print(a, m)
        while(a <= m):
            if a == m:
                return True
            a = a * 2
        return False