第1题-共同购买商品对统计 - Problem Statistics - CodeFun2000

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	lumiray	5115ms	128.1 MiB	Java	1.9 KiB	2026-4-29 22:09:49
AC	Ls9J1DLGs1	5395ms	135.4 MiB	Java	1.7 KiB	2026-7-29 16:30:28
AC	UsPtZJl851	5436ms	121.7 MiB	Java	1.7 KiB	2026-7-19 20:18:28

ID

4166

Time

1000ms

Memory

256MiB

Difficulty

5

Tags

哈希表

# Submissions

Accepted

204

Uploaded By