练20.4 判断点在第几象限

状态	递交者	时间	内存	语言	代码	递交时间
AC	042600625杨稼瑞	24ms	512 KiB	C	339 Bytes	2026-9-27 22:43:57
AC	052620114罗子昕	24ms	512 KiB	C	218 Bytes	2026-9-26 19:28:55
AC	潘明阳182611622	25ms	512 KiB	C	212 Bytes	2026-9-15 21:02:59
AC	刘锦程	25ms	256 KiB	C	241 Bytes	2026-9-27 20:05:37
AC	042600602	25ms	256 KiB	C	244 Bytes	2026-9-19 15:30:06
AC	汪奥焱152630426	25ms	512 KiB	C	202 Bytes	2026-9-18 11:02:36
AC	032660104王志禹	25ms	512 KiB	C	268 Bytes	2026-9-18 16:03:46
AC	Exeyes_BCNR	25ms	512 KiB	C	295 Bytes	2026-9-27 20:04:27
AC	152630404–付小糖	25ms	512 KiB	C	212 Bytes	2026-9-17 23:54:24
AC	042600830林贤宸	26ms	256 KiB	C	254 Bytes	2026-9-28 17:17:45
AC	TrailBlaze	26ms	512 KiB	C	208 Bytes	2026-10-5 15:37:22
AC	wallin	26ms	512 KiB	C	291 Bytes	2026-9-28 12:33:54
AC	+++	26ms	512 KiB	C	300 Bytes	2026-9-21 16:25:58