Golang | Leetcode Golang题解之第367题有效的完全平方数
题目：
题解：
func isPerfectSquare(num int) bool {x0 := float64(num)for {x1 := (x0 + float64(num)/x0) / 2if x0-x1 < 1e-6 {x := int(x0)return x*x == num}x0 = x1}
}
题目：
题解：
func isPerfectSquare(num int) bool {x0 := float64(num)for {x1 := (x0 + float64(num)/x0) / 2if x0-x1 < 1e-6 {x := int(x0)return x*x == num}x0 = x1}
}