第4题-递增技能链

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	songluan	364ms	25.4 MiB	C++14(O2)	1.6 KiB	2026-8-16 22:22:14
AC	奔跑的旅人	2909ms	128.2 MiB	Java	3 KiB	2026-8-17 10:59:46
AC	luti	3687ms	72.4 MiB	Python 3	1.2 KiB	2026-8-16 20:29:29
AC	cZBBNmXsgO	4824ms	223.9 MiB	Java	1.3 KiB	2026-8-17 8:15:29