日期格式统一与排序（100分）

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	U76PrtepAr	86ms	7.1 MiB	C++14(O2)	2.7 KiB	2026-7-15 23:58:16
AC	CodeFun86468f59b5	461ms	12.9 MiB	Python 3	2.2 KiB	2026-7-16 22:30:55
AC	TaZi	462ms	12.8 MiB	Python 3	1.8 KiB	2026-7-15 21:55:48
AC	ooa8OQ1n6Y	464ms	12.8 MiB	Python 3	1.1 KiB	2026-7-16 11:50:16
AC	oPOqItA8nb	464ms	12.8 MiB	Python	1.7 KiB	2026-7-16 22:28:06
AC	O8B5Rfh84h	467ms	12.8 MiB	Python 3	2.1 KiB	2026-7-16 18:33:42
AC	yanyuAC	476ms	12.8 MiB	Python 3	1.8 KiB	2026-7-16 16:59:11
AC	刘大大	483ms	12.8 MiB	Python 3	1.6 KiB	2026-7-16 15:25:28
AC	0nxyNQUMvT	483ms	45.1 MiB	Javascript (JSC)	1.9 KiB	2026-7-16 13:03:32
AC	AXZuyMQIhi	486ms	12.8 MiB	Python 3	1.3 KiB	2026-7-16 16:09:48
AC	RYeznZcQuJ	486ms	12.8 MiB	Python 3	1.9 KiB	2026-7-16 17:57:09
AC	g5Gheo271C	1129ms	44.4 MiB	Java	1.6 KiB	2026-7-16 7:49:45
AC	luti	1195ms	45.1 MiB	Java	2.1 KiB	2026-7-15 21:19:20
AC	hMzWbqLVCE	1243ms	46 MiB	Java	1.5 KiB	2026-7-17 1:21:20
AC	b6rhkzWf20	1252ms	44.9 MiB	Java	3.1 KiB	2026-7-16 11:00:10