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Before contest
Codeforces Round 945 (Div. 2)
11:45:44
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number theory
combine-tags-by-or
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2-sat
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#
Name
17A
Noldbach problem
brute force
,
math
,
number theory
1000
x15132
16C
Monitor
binary search
,
number theory
1800
x4517
10C
Digital Root
number theory
2000
x1392
7C
Line
math
,
number theory
1800
x4244
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