【例】树状数组 1 ：单点修改，区间查询 - Problem Statistics - lizikid

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	jike1994	5133ms	13.3 MiB	C++14(O2)	650 Bytes	2025-10-23 21:34:31

ID: 1033
Time: 3000ms
Memory: 256MiB
Difficulty: 10
Tags: (None)
# Submissions: 3
Accepted: 1
Uploaded By: jike1994