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  1. Prepare
  2. SQL
  3. Basic Join
  4. Population Census
  5. Leaderboard

Population Census

Hacker
Rank
Score
MeestorHok
01
flag of United States
10.00
Romashka123
01
flag of United Kingdom
10.00
eckce
01
flag of Turkey
10.00
shivam2526
01
flag of India
10.00

[deleted]

01
flag of null
10.00
patbrandkamp
01
flag of United States
10.00
Rosenstein
01
flag of Israel
10.00
ajay25781
01
flag of India
10.00
MichalFotyga
01
flag of Poland
10.00
ashutoshtripath2
01
flag of India
10.00
saranyashanmuga2
01
flag of Netherlands
10.00
nficeto
01
flag of United States
10.00
damianzylka
01
flag of Poland
10.00
alexpetit12
01
flag of Canada
10.00
patrickdes96
01
flag of Canada
10.00
khteka
01
flag of United States
10.00
T3KTONIT
01
flag of Morocco
10.00
blackwhole
01
flag of United States
10.00
Dataman
01
flag of United States
10.00
lzl1103
01
flag of United States
10.00
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