数列求和 - Problem Statistics - Hydro

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	admin	19ms	20.4 MiB	C++14	202 Bytes	2026-4-3 11:12:24
AC	Goodnight	21ms	20.4 MiB	C++14	121 Bytes	2026-4-18 9:19:03

ID: 1912
Time: 1000ms
Memory: 256MiB
Difficulty: 10
Tags: (None)
# Submissions: 2
Accepted: 2
Uploaded By: admin