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CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
3 days
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Difficulty:
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2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
matrices
meet-in-the-middle
number theory
probabilities
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shortest paths
sortings
string suffix structures
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ternary search
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Problems
#
Name
77A
Heroes
brute force
,
implementation
1400
x1781
60B
Serial Time!
dfs and similar
,
dsu
1400
x4677
45I
TCMCF+++
greedy
1400
x2492
44E
Anfisa the Monkey
dp
1400
x5181
42A
Guilty --- to the kitchen!
greedy
,
implementation
1400
x2859
41B
Martian Dollar
brute force
1400
x4054
38C
Blinds
brute force
1400
x2185
30A
Accounting
brute force
,
math
1400
x3482
26B
Regular Bracket Sequence
greedy
1400
x19757
24A
Ring road
graphs
1400
x5240
19A
World Football Cup
implementation
1400
x2765
8B
Obsession with Robots
constructive algorithms
,
graphs
,
implementation
1400
x4386
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