【例69.1】过滤多余的空格

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	xzh13579	24ms	508 KiB	C++14(O2)	161 Bytes	2025-8-7 19:56:43
AC	李昕豫qcx	25ms	508 KiB	C++14(O2)	161 Bytes	2025-7-15 16:19:30
AC	王梓汀	26ms	532 KiB	C++14(O2)	163 Bytes	2025-7-15 16:22:34
AC	李衍树xly2025	26ms	540 KiB	C++14(O2)	374 Bytes	2025-7-25 15:47:30
AC	黄也洛	26ms	532 KiB	C++14(O2)	146 Bytes	2025-7-15 16:22:17
AC	周轩平	26ms	764 KiB	C++14(O2)	151 Bytes	2025-7-15 16:19:39
AC	Mch121018	26ms	504 KiB	C++14	171 Bytes	2025-8-7 20:36:59
AC	刘诗瑶qcx	26ms	760 KiB	C++14(O2)	163 Bytes	2025-7-15 16:20:48
AC	万千绮qcx	27ms	760 KiB	C++14(O2)	161 Bytes	2025-7-15 16:19:58
AC	丁资凡qcx	27ms	508 KiB	C++14(O2)	158 Bytes	2025-7-15 17:32:48
AC	chenqiugu	28ms	760 KiB	C++14	401 Bytes	2025-8-6 22:21:35
AC	taoruiguo120	29ms	508 KiB	C++14	354 Bytes	2025-8-1 17:58:01