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Before contest
Codeforces Round 945 (Div. 2)
3 days
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Difficulty:
—
data structures
greedy
implementation
combine-tags-by-or
*combine tags by OR
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
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
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Problems
#
Name
349B
Color the Fence
data structures
,
dp
,
greedy
,
implementation
1700
x13503
343B
Alternating Current
data structures
,
greedy
,
implementation
1600
x13047
276C
Little Girl and Maximum Sum
data structures
,
greedy
,
implementation
,
sortings
1500
x24066
270B
Multithreading
data structures
,
greedy
,
implementation
1400
x4084
75D
Big Maximum Sum
data structures
,
dp
,
greedy
,
implementation
,
math
,
trees
2000
x1738
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