AOJ 2606 Perm Query

Solved Users (link to submissions)
aki33524
amano
asi1024
beet
culcul
Darsein
DAyama
dohatsu
E869120
ei1140
ei1333
FeIII4
femto16
gotoloop
gru
hadrori
hama_du
hec
id
imulan
japlj
joisino
kagamiz
kmcyuma
kmc_nakano
koba2_15
kyuridenamida
kzyKT
latte0119
Lepton_s
lyrically
math
namonakiaccount
nikollson
okaduki1
okuraofvegetable
paruki
primenumber
QtaroKujo
rian_tkb
satashun
sigma425
slp255
sntea
snuke
square1001
suibaka
takamoto
TakiTakiTakise
tokohide
tozangezan
tsukasa_diary
ukuku09
wk
wxcs
yosupo
yutaka1999
zukky