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1. topic

2. Analysis

Haec quaestio duplex regula typica est. Miror cur LeetCode hanc quaestionem sub categoria binaria ponit?

opus est sciremath.ceil()rotundata;

3. Code

class Solution:
    def judgeSquareSum(self, c: int) -> bool:
        upper = math.ceil(sqrt(c))
        print(upper)
        left, right = 0, upper
        while(left <= right):
            if left * left + right * right > c:
                right-=1
            elif left * left + right * right < c:
                left+=1
            else:
                return True
        return False
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