a和b可以取到负数，i%2可能出现-1
by HMSVanguard @ 2024-02-20 16:26:34
@[Algorithm_ZRF](/user/1044048) 它的余数不一定是1呀
by HuY2397061185 @ 2024-02-21 09:08:59
@[HMSVanguard](/user/678344) @[HuY2397061185](/user/682896) 谢谢
by Algorithm_ZRF @ 2024-02-21 11:27:05
此贴结
by Algorithm_ZRF @ 2024-02-21 11:27:37