异或和为 k 的子数组个数 - Problem Statistics - CodeFun2000

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	PFs7vK3nNx	392ms	26.3 MiB	Python 3	365 Bytes	2026-10-4 16:49:28
AC	luti	1863ms	69.9 MiB	Java	802 Bytes	2026-9-22 14:06:03

ID: 4983
Time: 2000ms
Memory: 256MiB
Difficulty: 4
Tags: (None)
# Submissions: 4
Accepted: 2
Uploaded By: TaZi