69. x 的平方根 golang

Me

https://leetcode-cn.com/problems/sqrtx/submissions/

func mySqrt(x int) int {
    return int(math.Sqrt(float64(x)))
}

来源：CSDN

作者：寇浩哲

链接：https://blog.csdn.net/csdn_kou/article/details/104110090