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Before contest
Codeforces Round (Div. 2)
2 days
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combine-tags-by-or
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2-sat
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Problems
#
Name
2B
The least round way
dp
,
math
2000
x10952
2A
Winner
hashing
,
implementation
1500
x26502
1C
Ancient Berland Circus
geometry
,
math
2100
x5724
1B
Spreadsheet
implementation
,
math
1600
x22804
1A
Theatre Square
math
1000
x263321
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