字符串分组求和（100分）

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	luti	90ms	7.5 MiB	C	554 Bytes	2026-9-20 21:32:04
AC	温和的柴犬	99ms	6.7 MiB	C++14(O2)	1.2 KiB	2026-9-26 2:59:59
AC	qqj1YkOskM	106ms	8 MiB	C	1 KiB	2026-9-22 15:46:10
AC	yanyuAC	574ms	23 MiB	Python 3	412 Bytes	2026-9-22 12:14:12
AC	vH7pCzkYBW	587ms	23.1 MiB	Python 3	413 Bytes	2026-9-22 11:42:25
AC	月下独酌	588ms	23.1 MiB	Python 3	390 Bytes	2026-10-11 17:11:05
AC	勤奋的海风7109	589ms	23.1 MiB	Python 3	447 Bytes	2026-10-9 16:27:19
AC	天才交易员	589ms	23.1 MiB	Python 3	384 Bytes	2026-10-6 17:04:42
AC	好学的溪流1022	607ms	23.1 MiB	Python 3	475 Bytes	2026-9-23 10:04:25
AC	追风的鲸鱼	612ms	23.1 MiB	Python 3	1.1 KiB	2026-9-24 6:02:39
AC	耐心的橘猫7072	615ms	23.1 MiB	Python 3	499 Bytes	2026-10-9 16:50:04
AC	快乐的海风9213	623ms	23.1 MiB	Python 3	382 Bytes	2026-10-7 16:36:39
AC	耐心的青竹1834	653ms	23 MiB	Python 3	445 Bytes	2026-9-23 16:35:42
AC	CDH0308	755ms	43.7 MiB	Java	581 Bytes	2026-9-24 0:55:53
AC	无用之人	788ms	44.4 MiB	Java	653 Bytes	2026-9-23 9:35:06
AC	积极的银杏	795ms	44.5 MiB	Java	927 Bytes	2026-9-29 15:51:25
AC	帅气的浣熊2168	811ms	44.3 MiB	Java	503 Bytes	2026-9-23 14:23:45
AC	qyCNLuAXWL	817ms	44.6 MiB	Java	618 Bytes	2026-10-8 13:21:56
AC	l7GjNREkMr	866ms	44.4 MiB	Java	620 Bytes	2026-9-21 19:30:18
AC	进取的画家6297	887ms	44.6 MiB	Java	658 Bytes	2026-9-22 16:47:24
AC	潇洒的浪花4697	973ms	44.4 MiB	Java	613 Bytes	2026-9-22 15:59:28