丢失的数字 - Problem Statistics - Hydro

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	lilyjiang	10ms	516 KiB	C++14(O2)	172 Bytes	2026-1-5 10:53:17

ID: 869
Time: 1000ms
Memory: 256MiB
Difficulty: 10
Tags: (None)
# Submissions: 2
Accepted: 1
Uploaded By: lilyjiang