读到结束找偶数个数

状态	递交者	时间	内存	语言	代码	递交时间
AC	牟葆胤	10ms	544 KiB	C++14	663 Bytes	2026-6-1 16:32:32
AC	万秉远	10ms	540 KiB	C++14	203 Bytes	2026-5-31 15:40:42
AC	UID 232	12ms	500 KiB	C++14	147 Bytes	2026-6-10 20:34:50
AC	赵子淏	12ms	1.3 MiB	C++14	166 Bytes	2026-5-31 15:57:58
AC	UID 242	12ms	736 KiB	C++14	182 Bytes	2026-6-11 18:03:24
AC	UID 225	12ms	552 KiB	C++14	205 Bytes	2026-6-10 20:56:45
AC	UID 236	12ms	548 KiB	C++14	172 Bytes	2026-6-12 17:22:23
AC	THS薛丞皓	13ms	576 KiB	C++14	162 Bytes	2026-6-10 20:33:01
AC	UID 239	13ms	548 KiB	C++14	182 Bytes	2026-6-11 21:41:40
AC	UID 222	13ms	576 KiB	C++14	181 Bytes	2026-6-12 16:22:45
AC	UID 219	13ms	548 KiB	C++14	205 Bytes	2026-6-12 16:02:25
AC	UID 224	14ms	576 KiB	C++14	205 Bytes	2026-6-12 16:02:49
AC	UID 229	14ms	544 KiB	C++14	195 Bytes	2026-6-14 13:57:06
AC	UID 223	15ms	488 KiB	C++14	180 Bytes	2026-6-13 19:54:02
AC	UID 114	17ms	576 KiB	C++14	163 Bytes	2026-6-7 8:07:12