@[Change_YuAN](/user/1140231) C++中，$-1 \bmod 2 = -1,-2 \bmod 2 = 0$
也就是说负数mod正数是非正整数。
（C++的奇妙小运算，`i%2==1` 加上 abs 变成 `abs(i%2)==1` 就对了）
by DL_Lingkong @ 2024-02-26 19:39:30
@[Change_YuAN](/user/1140231) ~~我也是因为这个点30pts，chao！！！~~
by DL_Lingkong @ 2024-02-26 19:40:27
谢谢！！
by Change_YuAN @ 2024-02-27 20:23:30
@[DL_Lingkong](/user/892470) me too!!!!
by bowenzuo @ 2024-03-31 17:19:37
谢谢！
by ClearSkyInYoyo @ 2024-04-04 06:49:59