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Before contest
Codeforces Round 941 (Div. 1)
2 days
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Before contest
Codeforces Round 941 (Div. 2)
2 days
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2-sat
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Name
226C
Anniversary
data structures
,
implementation
,
math
,
matrices
,
number theory
2400
x842
225C
Barcode
dp
,
matrices
1700
x8729
222E
Decoding Genome
dp
,
matrices
1900
x2522
193E
Fibonacci Number
brute force
,
math
,
matrices
2900
x320
193C
Hamming Distance
constructive algorithms
,
greedy
,
math
,
matrices
2400
x494
177G2
Fibonacci Strings
matrices
,
strings
2600
x171
167E
Wizards and Bets
dfs and similar
,
graphs
,
math
,
matrices
2900
x544
166E
Tetrahedron
dp
,
math
,
matrices
1500
x19877
147B
Smile House
binary search
,
graphs
,
matrices
2500
x741
113D
Museum
math
,
matrices
,
probabilities
2700
x648
107D
Crime Management
dp
,
graphs
,
matrices
2400
x400
93D
Flags
dp
,
math
,
matrices
2500
x333
86E
Long sequence
brute force
,
math
,
matrices
2700
x178
60E
Mushroom Gnomes
math
,
matrices
2600
x316
51E
Pentagon
combinatorics
,
graphs
,
matrices
2400
x363
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