QOJ.ac
QOJ
Top Rated Authored Problems
#266: ren13579
Authored Problems: : 0
#266: ren258
Authored Problems: : 0
#266: REN5511
Authored Problems: : 0
#266: Rena_DAZE
Authored Problems: : 0
#266: Renaissance
Authored Problems: : 0
#266: Renaissance_
Authored Problems: : 0
#266: RenaMoe
Authored Problems: : 0
#266: Renaqwq
Authored Problems: : 0
#266: Renatus
Authored Problems: : 0
#266: Rencj
Authored Problems: : 0
#266: rendel
Authored Problems: : 0
#266: rene_shell
Authored Problems: : 0
#266: renebae1121
Authored Problems: : 0
#266: reneespinosa
Authored Problems: : 0
#266: renew
Authored Problems: : 0
#266: renfy
Authored Problems: : 0
#266: renhan0708
Authored Problems: : 0
#266: renhongxu0308
Authored Problems: : 0
#266: Renjiuli
Authored Problems: : 0
#266: RenJunXi
Authored Problems: : 0
#266: Renko
Authored Problems: : 0
#266: Renko114
Authored Problems: : 0
#266: renkun
Authored Problems: : 0
#266: renkun666
Authored Problems: : 0
#266: renmain
Authored Problems: : 0
#266: Renn
Authored Problems: : 0
#266: renqilin
Authored Problems: : 0
#266: renqiyu
Authored Problems: : 0
#266: RenRan_
Authored Problems: : 0
#266: renshx
Authored Problems: : 0
#266: renxiangrui
Authored Problems: : 0
#266: renxuye
Authored Problems: : 0
#266: renyufan
Authored Problems: : 0
#266: renyunbj
Authored Problems: : 0
#266: renzo1805
Authored Problems: : 0
#266: Renzok
Authored Problems: : 0
#266: Reobrok
Authored Problems: : 0
#266: ReOreo
Authored Problems: : 0
#266: reoTATok
Authored Problems: : 0
#266: Repeater
Authored Problems: : 0
#266: Repeaters
Authored Problems: : 0
#266: repmann
Authored Problems: : 0
#266: repoman
Authored Problems: : 0
$$\prod_{i=0}^{n-1} (1+q^iz) = \sum_{i=0}^n q^{i(i-1)/2}\binom ni_q z^i$$
#266: repv
Authored Problems: : 0
#266: ReqCxmChtChr
Authored Problems: : 0
#266: Requ
Authored Problems: : 0
#266: request3301
Authored Problems: : 0
#266: Reqwey
Authored Problems: : 0
#266: rere
Authored Problems: : 0
#266: rerebornzhou
Authored Problems: : 0
#266: rerere
Authored Problems: : 0
#266: RernaG
Authored Problems: : 0
#266: rerun
Authored Problems: : 0
#266: Res
Authored Problems: : 0
#266: ResCells
Authored Problems: : 0
#266: Rescuring
Authored Problems: : 0
#266: Reseamus
Authored Problems: : 0
#266: Reset
Authored Problems: : 0
#266: Reset3
Authored Problems: : 0
#266: Reshare
Authored Problems: : 0
#266: reshke
Authored Problems: : 0
#266: reside
Authored Problems: : 0
#266: resolvecoder
Authored Problems: : 0
#266: Resonce
Authored Problems: : 0
#266: Resory
Authored Problems: : 0
#266: respect
Authored Problems: : 0
#266: Ressed
Authored Problems: : 0
#266: ressens
Authored Problems: : 0
#266: ressoa
Authored Problems: : 0
#266: resstifnurv
Authored Problems: : 0
#266: Restart_Justin
Authored Problems: : 0
#266: restart_to_revive
Authored Problems: : 0
#266: Resublimity
Authored Problems: : 0
#266: resultant
Authored Problems: : 0
#266: resurgentseal
Authored Problems: : 0
#266: ResuscitatedHope
Authored Problems: : 0
#266: ret
Authored Problems: : 0
#266: ret2libc
Authored Problems: : 0
#266: retaliatorElite
Authored Problems: : 0
#266: retcarizy
Authored Problems: : 0
#266: Retej
Authored Problems: : 0
#266: retereum
Authored Problems: : 0
#266: ReTF
Authored Problems: : 0
玉皇爷爷也姓张，为啥为难俺张宗昌？三天之内不下雨，先扒龙皇庙，再用大炮轰你娘。
#266: Rethon
Authored Problems: : 0
#266: Retiplus
Authored Problems: : 0
#266: retired
Authored Problems: : 0
#266: retired_midlights
Authored Problems: : 0
#266: retired_wan
Authored Problems: : 0
#266: RetiredButNotTired
Authored Problems: : 0
#266: retr0
Authored Problems: : 0
#266: Retr00
Authored Problems: : 0
#266: Retrieve_72
Authored Problems: : 0
#266: retro-pigeon
Authored Problems: : 0
#266: retrosidus
Authored Problems: : 0
#266: RetroVision
Authored Problems: : 0
#266: retsigeR
Authored Problems: : 0
#266: Retucl
Authored Problems: : 0
#266: ReTuRN
Authored Problems: : 0
#266: return_hu
Authored Problems: : 0
#266: return_myself
Authored Problems: : 0
向上，不是向北