【例69.1】过滤多余的空格

状态	递交者	时间	内存	语言	代码	递交时间
AC	feishibo	23ms	512 KiB	C++14(O2)	242 Bytes	2026-2-27 15:58:56
AC	王昱翔	24ms	508 KiB	C++14(O2)	242 Bytes	2025-4-10 16:20:23
AC	tfxuxinbo	25ms	512 KiB	C++14(O2)	127 Bytes	2026-2-28 11:06:50
AC	赵乐楌	25ms	516 KiB	C++14(O2)	132 Bytes	2026-2-28 10:02:32
AC	qilewen	25ms	764 KiB	C++14(O2)	273 Bytes	2025-3-14 16:49:05
AC	wxm	26ms	512 KiB	C++14(O2)	335 Bytes	2026-2-27 14:54:36
AC	ruihang2377(潘睿杭)	26ms	768 KiB	C++98	335 Bytes	2026-2-12 8:36:05
AC	lzn	26ms	508 KiB	C++14(O2)	222 Bytes	2025-4-9 12:56:29
AC	wjj	26ms	516 KiB	C++14(O2)	143 Bytes	2026-3-18 19:53:13
AC	wangziyi	26ms	552 KiB	C++14(O2)	457 Bytes	2024-12-13 8:44:31
AC	dingsheng	26ms	512 KiB	C++14(O2)	141 Bytes	2026-2-28 19:43:49
AC	stz	27ms	768 KiB	C++14(O2)	273 Bytes	2026-2-11 14:52:38
AC	唐梓峰	27ms	760 KiB	C++14(O2)	292 Bytes	2025-4-13 20:08:28
AC	chengyanru	27ms	556 KiB	C++14(O2)	374 Bytes	2026-2-27 14:53:55
AC	胡原陌	27ms	536 KiB	C++14(O2)	516 Bytes	2025-2-16 15:20:03
AC	胡智星	27ms	764 KiB	C++14(O2)	298 Bytes	2025-2-15 14:41:21
AC	liujiayuan	27ms	552 KiB	C++14(O2)	290 Bytes	2025-4-2 21:43:46
AC	carrie萱	27ms	764 KiB	C++14(O2)	388 Bytes	2025-12-24 12:46:38
AC	薛传翰	28ms	512 KiB	C++14(O2)	146 Bytes	2026-2-28 10:02:27
AC	shijinghan	28ms	552 KiB	C++14(O2)	298 Bytes	2025-2-21 16:08:23
AC	111	28ms	768 KiB	C++14(O2)	305 Bytes	2026-2-11 11:10:35
AC	李辰怡	28ms	760 KiB	C++14(O2)	263 Bytes	2025-12-12 12:50:34
AC	yhxx	28ms	768 KiB	C++14	492 Bytes	2024-12-17 15:39:51
AC	PrincessHarumi	28ms	532 KiB	C++14(O2)	198 Bytes	2025-10-29 13:15:07
AC	HowardJones	28ms	508 KiB	C++14(O2)	198 Bytes	2025-4-11 13:25:30
AC	王嘉澔	28ms	768 KiB	C++14(O2)	392 Bytes	2024-12-29 13:30:50
AC	蒋应龙bill	28ms	540 KiB	C++17(O2)	202 Bytes	2025-1-11 17:16:12
AC	chenjinghao	28ms	768 KiB	C++14(O2)	373 Bytes	2024-12-13 8:36:42
AC	xietianze	29ms	504 KiB	C++14(O2)	277 Bytes	2025-9-27 19:08:35
AC	xujing	29ms	764 KiB	C++14(O2)	298 Bytes	2025-1-27 8:49:40
AC	t20210101	30ms	768 KiB	C++14	132 Bytes	2026-2-28 10:47:24
AC	Chenyuze24	30ms	764 KiB	C++14(O2)	392 Bytes	2025-1-10 17:24:35