xihe41017 @ 2024-06-28 16:54:01
sqrt(num)==int(sqrt(num))可以直接判断完全平方数！
by xihe41017 @ 2024-06-28 16:55:40
@xihe41017 需要头文件
#include<cmath>by 2011FYCCCTA @ 2024-06-28 17:06:10
跟谁bzd一样
by GoodLuckCat @ 2024-06-28 17:11:27
我都用过几十次了
by FurippuWRY @ 2024-06-28 17:15:24
不然怎么判断？