@[luozhichen](/user/181845) 对了，帮您卡过了，C++98 和勾选 O2 就能过：<https://www.luogu.com.cn/paste/xcod5w2e>
by Jerrlee✅ @ 2022-01-16 15:40:25
：<https://www.luogu.com.cn/record/66893692>
by Jerrlee✅ @ 2022-01-16 15:41:40
@[Jerrlee✅](/user/367652) 感谢巨佬，已关注！！！
by luozhichen @ 2022-01-16 15:48:00