问题来自力扣题目633. Sum of Square Numbers，大意如下：
Given a non-negative integer
c, decide whether there’re two integersaandbsuch thata^2 + b^2 = c.
翻译下，需求是：对给定数字c，确定是否有两个整数满足a^2+b^2=c
问题来自力扣题目633. Sum of Square Numbers，大意如下：
Given a non-negative integer
c, decide whether there’re two integersaandbsuch thata^2 + b^2 = c.
翻译下，需求是：对给定数字c，确定是否有两个整数满足a^2+b^2=c