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eduardische (2 sets)
misof (1 set)
Mare.S.Ephemeral (2 sets)
JiminP (1 set)
AxiomOfChoice (1 set)
izz (2 sets)
johny42 (2 sets)
Louise.de.La.Valliere (1 set)
yoursunny (9 sets)
okumin (3 sets)
Nicoflag (11 sets)
cseri (1 set)
cevacba (13 sets)
Shoogle (10 sets)
HansLehnert (1 set)
Chadix (2 sets)
NoamGaash (6 sets)
Maryk (8 sets)
withcat (6 sets)
guyk (10 sets)
LionGeek (7 sets)
alexcarrega (6 sets)
webjohnny (4 sets)
BlackEleph (8 sets)
Nash171 (8 sets)		DorianWilde (6 sets)
zero.degrees (10 sets)
Pandabear (5 sets)
agaraev (4 sets)
Librarian (10 sets)
XCenturion (6 sets)
fajzen (8 sets)
aliquis (1 set)
leocello (5 sets)
hazyboy (11 sets)
dantistus (9 sets)
palkooo (5 sets)
cambraca (5 sets)
stristr (9 sets)
Leeym (1 set)
IshOz (10 sets)
avm99963 (7 sets)
SpaceDog (8 sets)
Squash (5 sets)
jvolfson (5 sets)
PierralF (4 sets)
Labutin (6 sets)
Vanadar (4 sets)
Andrejs (3 sets)
Verethragna (2 sets)		squeekeek (2 sets)
chrystyman (8 sets)
thegalah (6 sets)
hyperBK (4 sets)
iog3 (4 sets)
meetulj (4 sets)
Mitiko (6 sets)
tailor (6 sets)
Arash (4 sets)
ClaudiuS (5 sets)
ivgam (6 sets)
qwaszx (5 sets)
deeJay (4 sets)
DaanKuijsten (4 sets)
Sydneysick (4 sets)
Zorfling (4 sets)
espiao (4 sets)
pepellou (8 sets)
goso.radu (7 sets)
HossamMagdy (6 sets)
Wassi (5 sets)
Romanoy (5 sets)
abhihebbar (5 sets)
omma2289 (5 sets)
AHFXnet (5 sets)		autobots (5 sets)
Por (5 sets)
Pop.Todi (5 sets)
Nabil.webdev (5 sets)
DrSat (5 sets)
Bucky (5 sets)
TheGanis (1 set)
Alphard.alphard (5 sets)
stevenmartin99 (5 sets)
OskarK (5 sets)
Hector (5 sets)
CyrusWong (2 sets)
remielowik (5 sets)
PSK85 (5 sets)
mikeland86 (5 sets)
alealesso (5 sets)
Archimedes (3 sets)
barbarosh (5 sets)
jefedt (5 sets)
Kittinan (4 sets)
JustHaveAGo (4 sets)
shyaken (4 sets)
thmaureira (4 sets)
lfelipecunha (4 sets)
goso.Ionut (4 sets)

Problems solved

Qualification Round (688 solutions by 235 contestants):
Round 1A (18 solutions by 13 contestants):
Round 1B (70 solutions by 43 contestants):
Round 1C (26 solutions by 18 contestants):
Round 2 (1 solution by 1 contestant):

Submission Origin

United States (24 contestants)
India (22 contestants)
Ukraine (12 contestants)
Netherlands (10 contestants)
Japan (10 contestants)
Brazil (10 contestants)
Thailand (9 contestants)
Romania (9 contestants)
France (9 contestants)
Spain (8 contestants)
Australia (8 contestants)
United Kingdom (7 contestants)
Latvia (6 contestants)
Slovakia (5 contestants)
Indonesia (5 contestants)
Turkey (4 contestants)
Russia (4 contestants)
Morocco (4 contestants)
Mexico (4 contestants)
Germany (4 contestants)		South Korea (3 contestants)
Poland (3 contestants)
Philippines (3 contestants)
New Zealand (3 contestants)
Iran (3 contestants)
China (3 contestants)
Chile (3 contestants)
Argentina (3 contestants)
Vietnam (2 contestants)
Taiwan (2 contestants)
Sri Lanka (2 contestants)
Italy (2 contestants)
Ireland (2 contestants)
Hungary (2 contestants)
Hong Kong (2 contestants)
Estonia (2 contestants)
Egypt (2 contestants)
Czech Republic (2 contestants)
Canada (2 contestants)
Bulgaria (2 contestants)		Azerbaijan (2 contestants)
Sweden (1 contestant)
South Africa (1 contestant)
Singapore (1 contestant)
Serbia (1 contestant)
Portugal (1 contestant)
Norway (1 contestant)
Nigeria (1 contestant)
Malaysia (1 contestant)
Israel (1 contestant)
Greece (1 contestant)
Ghana (1 contestant)
Ecuador (1 contestant)
Belgium (1 contestant)
Belarus (1 contestant)
Austria (1 contestant)
Algeria (1 contestant)
Albania (1 contestant)