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Practice
Practice through different difficulty levels.

Compete
Compete in regularly held competitions.

Lead
Lead the board with points you earn.

Recent Questions

CODB19C
Tree Queries
15
0.00%
CODB19F
Castle Defense
9
11.11%
CODB19E
Tile Coloring
82
8.54%
CODB19D
Rectangle Union
143
6.29%
CODB19B
Angles
150
6.67%
CODB19A
Task Time
329
0.61%
ALGO18E
Trimeter
25
4.00%
ALGO18F
Magic Point
174
1.15%
ALGO18C
Magical-Deforestation
17
5.88%
ALGO18B
String Sum
142
2.82%
LEADERBOARD
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RECENT
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