特性。会返回后面那个数。
by N1008_9 @ 2023-10-30 15:50:47
逗号运算符。
求求了至少百度一下并且随时打开`-Wall -Wextra`
by fangzichang @ 2023-10-30 15:57:41
https://www.runoob.com/cplusplus/cpp-comma-operator.html
by Terrible @ 2023-10-30 15:58:11
@[FeiWuLiuZiao](/user/790188) 整个逗号表达式的值是最后一个表达式之值。
by hellolin @ 2023-10-30 15:58:48
逗号表达式，，，
by LuoTianyi_Official @ 2023-10-30 16:09:11
第二次看到有人在程序里面用 `(a, b)` 表示 gcd 了。。
by LuoTianyi_Official @ 2023-10-30 16:09:44
@[LuoTianyi_Official](/user/424089) 其实是忘写gcd三个字母了（
by 0x28202e202e29 @ 2023-10-30 16:20:15
ctj
by 0x28202e202e29 @ 2023-10-30 16:20:40
QAQ
by Vsinger_洛天依 @ 2023-10-30 16:49:53