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ランキング AC数
#4407: nan
Accepted: : 20
#4407: niko147
Accepted: : 20
#4407: nowed
Accepted: : 20
#4407: OAleksa
Accepted: : 20
#4407: Ooj_bai
Accepted: : 20
#4407: Orchidany
Accepted: : 20
#4407: oyasumi_alice
Accepted: : 20
#4407: papersus
Accepted: : 20
#4407: peiqi
Accepted: : 20
#/: pku2025-24
Accepted: : 20
#/: pku2025-50
Accepted: : 20
#4407: plutopro
Accepted: : 20
#4407: qdd
Accepted: : 20
#4407: Qglin_
Accepted: : 20
#4407: qiuzijin2026
Accepted: : 20
#4407: qwq7
Accepted: : 20
#4407: qwqpmp
Accepted: : 20
qwqpmp
#4407: RAS_PAREO
Accepted: : 20
传说最浪漫的地方就算在我的梦里都那么美丽
#4407: realman
Accepted: : 20
#4407: redbluetulip
Accepted: : 20
#4407: redwhite
Accepted: : 20
#4407: Saanteye
Accepted: : 20
#4407: ShelpAm
Accepted: : 20
#4407: sheryh276
Accepted: : 20
#4407: Shinobu_Sengoku
Accepted: : 20
#4407: siewjh
Accepted: : 20
#4407: sio_
Accepted: : 20
#4407: sjc061031
Accepted: : 20
#4407: slightar
Accepted: : 20
#4407: SSH
Accepted: : 20
#4407: surgutti
Accepted: : 20
#4407: suzu
Accepted: : 20
#4407: sxye
Accepted: : 20
#4407: syndrome
Accepted: : 20
#4407: SZH
Accepted: : 20
#4407: taniya
Accepted: : 20
$$\prod_{n=1}^\infty (1-x^n)=\sum_{k=-\infty}^\infty(-1)^kx^{\frac{k(3k-1)}{2}}=\sum_{k=0}^\infty(-1)^kx^{\frac{k(3k\pm 1)}{2}}$$
#4407: Tbat
Accepted: : 20
#4407: TeddyDUDU
Accepted: : 20
#4407: tobie
Accepted: : 20
#4407: tousheng
Accepted: : 20
#4407: ucup-admin-3-1
Accepted: : 20
#4407: ucup-team1477
Accepted: : 20
#4407: ucup-team1479
Accepted: : 20
#4407: ucup-team1526
Accepted: : 20
#4407: ucup-team1611
Accepted: : 20
#4407: ucup-team1646
Accepted: : 20
#4407: ucup-team2362
Accepted: : 20
#4407: ucup-team2389
Accepted: : 20
#4407: ucup-team2485
Accepted: : 20
#4407: ucup-team2862
Accepted: : 20
#4407: ucup-team2914
Accepted: : 20
#4407: ucup-team2952
Accepted: : 20
#4407: ucup-team3015
Accepted: : 20
#4407: ucup-team3617
Accepted: : 20
#4407: ucup-team3722
Accepted: : 20
#4407: ucup-team3781
Accepted: : 20
#4407: ucup-team3876
Accepted: : 20
#4407: ucup-team4258
Accepted: : 20
#4407: ucup-team4515
Accepted: : 20
#4407: ucup-team4701
Accepted: : 20
CQYC
#4407: ucup-team5098
Accepted: : 20
#4407: ucup-team5245
Accepted: : 20
#4407: ucup-team5275
Accepted: : 20
#4407: ucup-team5398
Accepted: : 20
#4407: ucup-team6569
Accepted: : 20
我怎么什么都不会
#4407: ucup-team6669
Accepted: : 20
#4407: ucup-team7316
Accepted: : 20
#4407: ucup-team7749
Accepted: : 20
#4407: ucup-team7752
Accepted: : 20
#4407: ucup-team7893
Accepted: : 20
#4407: ucup-team7912
Accepted: : 20
#4407: ucup-team7969
Accepted: : 20
#4407: ucup-team920
Accepted: : 20
#4407: ucup-team965
Accepted: : 20
#4407: udybp168102
Accepted: : 20
#4407: uezexh
Accepted: : 20
「;」
#4407: Umok
Accepted: : 20
#4407: wangbaihui
Accepted: : 20
qingyu的小迷弟
#4407: wanglianda
Accepted: : 20
#4407: wcdr
Accepted: : 20
#4407: wei
Accepted: : 20
#4407: whb569
Accepted: : 20
#4407: Wobert
Accepted: : 20
#4407: wuyi2024
Accepted: : 20
#4407: wwww.
Accepted: : 20
#4407: xcxc82
Accepted: : 20
#4407: xiaojifang
Accepted: : 20
大家好我是小机房，又名更衣室。
#4407: xiaoyin0
Accepted: : 20
#4407: xuxuxuxuxu
Accepted: : 20
#4407: xxr
Accepted: : 20
#4407: xydsyc
Accepted: : 20
#4407: Yanagi_Origami
Accepted: : 20
#4407: YANGKM
Accepted: : 20
#4407: YESHU
Accepted: : 20
#4407: yoyo2005
Accepted: : 20
#4407: yuanyi
Accepted: : 20
#4407: yzy4090
Accepted: : 20
#4407: zhaaa
Accepted: : 20
#4407: zhilin
Accepted: : 20
#4407: zhuce4
Accepted: : 20