统计满足条件的4位数 - Problem Statistics - Hydro

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	qinmingze	23ms	740 KiB	C++17	285 Bytes	2025-5-10 11:46:15

ID: 1915
Time: 1000ms
Memory: 128MiB
Difficulty: 10
Tags: (None)
# Submissions: 1
Accepted: 1
Uploaded By: admin