定宽字段紧凑拼装

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	luti	11ms	6.7 MiB	C	862 Bytes	2026-8-17 12:32:07
AC	2655307403	12ms	5.9 MiB	C	919 Bytes	2026-8-22 16:06:25
AC	风趣的煎蛋	405ms	12.8 MiB	Python 3	666 Bytes	2026-8-23 23:13:25
AC	TaZi	406ms	12.8 MiB	Python 3	472 Bytes	2026-8-14 17:55:34