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Before contest
Codeforces Round 945 (Div. 2)
42:23:04
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Difficulty:
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sortings
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
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expression parsing
fft
flows
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geometry
graph matchings
graphs
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interactive
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number theory
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Problems
#
Name
1896G
Pepe Racing
constructive algorithms
,
implementation
,
interactive
,
sortings
3200
x308
1534G
A New Beginning
data structures
,
dp
,
geometry
,
sortings
3300
x526
1558F
Strange Sort
data structures
,
sortings
3300
x352
1583H
Omkar and Tours
data structures
,
divide and conquer
,
sortings
,
trees
3300
x314
1396D
Rainbow Rectangles
data structures
,
sortings
,
two pointers
3300
x297
1726G
A Certain Magical Party
combinatorics
,
data structures
,
greedy
,
sortings
3300
x283
1381E
Origami
geometry
,
math
,
sortings
3300
x100
1515I
Phoenix and Diamonds
binary search
,
data structures
,
sortings
3400
x225
833E
Caramel Clouds
data structures
,
dp
,
sortings
3400
x210
1637H
Minimize Inversions Number
data structures
,
greedy
,
math
,
sortings
3500
x300
1515H
Phoenix and Bits
bitmasks
,
brute force
,
data structures
,
sortings
3500
x215
1534H
Lost Nodes
constructive algorithms
,
dp
,
graphs
,
interactive
,
sortings
,
trees
3500
x143
1746G
Olympiad Training
binary search
,
data structures
,
dp
,
flows
,
geometry
,
implementation
,
sortings
3500
x88
1628F
Spaceship Crisis Management
binary search
,
data structures
,
geometry
,
sortings
3500
x84
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