字符串的展开 - Problem Statistics - Hydro

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	admin	21ms	20.4 MiB	C++14	1.6 KiB	2026-4-17 10:44:45
AC	Goodnight	23ms	20.4 MiB	C++14	1.2 KiB	2026-8-4 17:43:49

ID: 1993
Time: 1000ms
Memory: 256MiB
Difficulty: 10
Tags: (None)
# Submissions: 2
Accepted: 2
Uploaded By: admin