QOJ.ac
QOJ
As a traditional event in the past years, join the IOI 2026 Prediction Game!
Top Rated Authored Problems
#353: ultrapengql
Authored Problems: : 0
#353: Ulubayov
Authored Problems: : 0
#353: Ulugbek2008
Authored Problems: : 0
#353: Ulvi
Authored Problems: : 0
#353: Um_nik
Authored Problems: : 0
#353: UmairAhmadMIrza
Authored Problems: : 0
Excellence
#353: Umamusume_s_trainer
Authored Problems: : 0
#353: umbraphile
Authored Problems: : 0
#353: umbrellaleaf
Authored Problems: : 0
#353: UmbrellaOvo
Authored Problems: : 0
#353: umd-red
Authored Problems: : 0
kotlin
#353: umikaze1210
Authored Problems: : 0
#353: umirovj
Authored Problems: : 0
#353: umiyuri327
Authored Problems: : 0
#353: umk
Authored Problems: : 0
#353: Umok
Authored Problems: : 0
#353: umpre
Authored Problems: : 0
#353: umr
Authored Problems: : 0
正义的伙伴
#353: umrn
Authored Problems: : 0
#353: umumu
Authored Problems: : 0
#353: umumumumumaumsume
Authored Problems: : 0
#353: un123
Authored Problems: : 0
#353: un1d
Authored Problems: : 0
#353: unalive
Authored Problems: : 0
#353: Unalome
Authored Problems: : 0
#353: Unamed_wlq
Authored Problems: : 0
#353: unaptx4869
Authored Problems: : 0
#353: Unari
Authored Problems: : 0
#353: Unayes
Authored Problems: : 0
#353: Unbakedbread
Authored Problems: : 0
#353: unbengable
Authored Problems: : 0
#353: Uncle
Authored Problems: : 0
#353: UncleEric
Authored Problems: : 0
#353: UncleSam
Authored Problems: : 0
#353: UncleSamStudio
Authored Problems: : 0
#353: unclezhou
Authored Problems: : 0
#353: und
Authored Problems: : 0
#353: Undead2008
Authored Problems: : 0
#353: undeclared
Authored Problems: : 0
#353: Undefined
Authored Problems: : 0
#353: undefined_Ryan
Authored Problems: : 0
#353: undefined-ux
Authored Problems: : 0
#353: undefined03
Authored Problems: : 0
#353: undefinedmoe
Authored Problems: : 0
#353: Underage_potato
Authored Problems: : 0
#353: Undercover
Authored Problems: : 0
#353: underground
Authored Problems: : 0
#353: underline
Authored Problems: : 0
#353: Underplay
Authored Problems: : 0
#353: UnderTaker
Authored Problems: : 0
#353: UNDERTALE_RS
Authored Problems: : 0
#353: underthetime
Authored Problems: : 0
#353: undertides
Authored Problems: : 0
#353: UndertrainedOverpressure
Authored Problems: : 0
#353: Undo
Authored Problems: : 0
#353: unevada
Authored Problems: : 0
#353: unf01d
Authored Problems: : 0
#353: UnforgettableDream
Authored Problems: : 0
#353: Unforgettablepl
Authored Problems: : 0
#353: ungvinhdatptnk
Authored Problems: : 0
#353: unhappylord
Authored Problems: : 0
#353: unhapy
Authored Problems: : 0
#353: UniC333
Authored Problems: : 0
#353: unicornshjl
Authored Problems: : 0
#353: UniD
Authored Problems: : 0
$$\mathcal{L}_\text{SM} = \mathcal{L}_\text{kinetic} + \mathcal{L}_\text{Higgs} + \mathcal{L}_\text{Yukawa} + \mathcal{L}_\text{gauge} + \mathcal{L}_\text{mixing}$$
#353: uniecho1
Authored Problems: : 0
#353: UniGravity
Authored Problems: : 0
#353: Unino
Authored Problems: : 0
#353: UnintentionalDisclosure
Authored Problems: : 0
#353: uninteractiveBot
Authored Problems: : 0
#353: Uniocean
Authored Problems: : 0
#353: Union_Find
Authored Problems: : 0
#353: union_of_britain
Authored Problems: : 0
#353: unique
Authored Problems: : 0
#353: Unique_Hanpi
Authored Problems: : 0
#353: Unique123
Authored Problems: : 0
#353: uniqueharry
Authored Problems: : 0
#353: univer1105
Authored Problems: : 0
#353: universe
Authored Problems: : 0
#353: universe_GU
Authored Problems: : 0
#353: Univmemor_N
Authored Problems: : 0
#353: unix49
Authored Problems: : 0
#353: Uniya
Authored Problems: : 0
#353: unkn0wn
Authored Problems: : 0
#353: unknown
Authored Problems: : 0
#353: unknown_
Authored Problems: : 0
#353: unknown_shadow
Authored Problems: : 0
#353: unknown-name-user
Authored Problems: : 0
#353: unknown1001
Authored Problems: : 0
#353: Unknown1508
Authored Problems: : 0
#353: UnknownMath2004
Authored Problems: : 0
#353: UnknownPL
Authored Problems: : 0
#353: unknownRunaway
Authored Problems: : 0
#353: Unknownuserfrommars
Authored Problems: : 0
#353: unlasting
Authored Problems: : 0
#353: Unlimited_zero
Authored Problems: : 0
#353: unlimitedovo
Authored Problems: : 0
#353: Unlimitedz
Authored Problems: : 0
#353: unloveable
Authored Problems: : 0
#353: unnamed7
Authored Problems: : 0