找和为 K 的两个元素

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	liuhaoqi	4ms	9 MiB	C++98	475 Bytes	2025-2-14 9:48:37
AC	heliangyu	5ms	9 MiB	C++98	469 Bytes	2025-2-14 9:26:01
AC	xyls	5ms	9 MiB	C++98	335 Bytes	2025-2-12 23:04:48
AC	huangshengfeng	6ms	9.1 MiB	C++98	420 Bytes	2025-12-12 18:36:00
AC	luyixin	6ms	9.1 MiB	C++98	326 Bytes	2025-12-20 9:48:27
AC	baoyufu	6ms	9.1 MiB	C++98	360 Bytes	2025-12-19 18:07:57
AC	jiangxingxing	7ms	9.1 MiB	C++98	312 Bytes	2025-12-20 9:45:50