求正整数 2 和 n 之间的完全数 - Problem Statistics - XAZXOI

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	Best.	455ms	6.4 MiB	C++14(O2)	531 Bytes	2023-11-28 20:08:15

ID: 669
Time: 1000ms
Memory: 128MiB
Difficulty: 4
Tags: (None)
# Submissions: 211
Accepted: 95
Uploaded By: Csvoner