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#
Name
1063C
Dwarves, Hats and Extrasensory Abilities
binary search
,
constructive algorithms
,
geometry
,
interactive
1900
x2794
1063B
Labyrinth
graphs
,
shortest paths
1800
x7132
1063A
Oh Those Palindromes
constructive algorithms
,
strings
1300
x10255
1062F
Upgrading Cities
dfs and similar
,
graphs
2900
x568
1062E
Company
binary search
,
data structures
,
dfs and similar
,
greedy
,
trees
2300
x1722
1062D
Fun with Integers
dfs and similar
,
graphs
,
implementation
,
math
1800
x3878
1062C
Banh-mi
greedy
,
implementation
,
math
1600
x5333
1062B
Math
greedy
,
math
,
number theory
1500
x8478
1062A
A Prank
greedy
,
implementation
1300
x8697
1061F
Lost Root
interactive
,
probabilities
2400
x711
1061E
Politics
flows
,
graphs
2600
x520
1061D
TV Shows
data structures
,
greedy
,
implementation
,
sortings
2000
x2301
1061C
Multiplicity
data structures
,
dp
,
implementation
,
math
,
number theory
1700
x8460
1061B
Views Matter
greedy
,
implementation
,
sortings
1400
x7246
1061A
Coins
greedy
,
implementation
,
math
800
x21400
1060H
Sophisticated Device
constructive algorithms
3300
x212
1060G
Balls and Pockets
data structures
3400
x142
1060F
Shrinking Tree
combinatorics
,
dp
2900
x549
1060E
Sergey and Subway
dfs and similar
,
dp
,
trees
2000
x3001
1060D
Social Circles
greedy
,
math
1900
x3573
1060C
Maximum Subrectangle
binary search
,
implementation
,
two pointers
1600
x4825
1060B
Maximum Sum of Digits
greedy
1100
x8801
1060A
Phone Numbers
brute force
800
x13772
1059E
Split the Tree
binary search
,
data structures
,
dp
,
greedy
,
trees
2400
x1361
1059D
Nature Reserve
binary search
,
geometry
,
ternary search
2200
x2545
1059C
Sequence Transformation
constructive algorithms
,
math
1600
x6996
1059B
Forgery
implementation
1300
x6928
1059A
Cashier
implementation
1000
x12535
1057C
Tanya and Colored Candies
*special problem
,
dp
2000
x875
1057B
DDoS
*special problem
,
brute force
1400
x1800
1057A
Bmail Computer Network
*special problem
,
dfs and similar
,
trees
900
x5814
1056H
Detect Robots
data structures
,
strings
3200
x148
1056G
Take Metro
brute force
,
data structures
,
graphs
2900
x243
1056F
Write The Contest
binary search
,
dp
,
math
2500
x467
1056E
Check Transcription
brute force
,
data structures
,
hashing
,
strings
2100
x2040
1056D
Decorate Apple Tree
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
greedy
,
sortings
,
trees
1600
x5716
1056C
Pick Heroes
greedy
,
implementation
,
interactive
,
sortings
1700
x2326
1056B
Divide Candies
math
,
number theory
1600
x4145
1056A
Determine Line
implementation
800
x6557
1055G
Jellyfish Nightmare
3500
x76
1055F
Tree and XOR
strings
,
trees
2900
x451
1055E
Segments on the Line
binary search
,
dp
2500
x716
1055D
Refactoring
greedy
,
implementation
,
strings
2400
x618
1055C
Lucky Days
math
,
number theory
1900
x1845
1055B
Alice and Hairdresser
dsu
,
implementation
1300
x4910
1055A
Metro
graphs
900
x10451
1054H
Epic Convolution
chinese remainder theorem
,
fft
,
math
,
number theory
3500
x176
1054G
New Road Network
constructive algorithms
,
greedy
,
math
3300
x265
1054F
Electric Scheme
flows
,
graph matchings
2700
x308
1054E
Chips Puzzle
constructive algorithms
,
implementation
,
math
2400
x480
1054D
Changing Array
greedy
,
implementation
1900
x2219
1054C
Candies Distribution
constructive algorithms
,
implementation
1500
x4234
1054B
Appending Mex
implementation
1000
x6460
1054A
Elevator or Stairs?
implementation
800
x8988
1053E
Euler tour
constructive algorithms
,
trees
3500
x197
1051G
Distinctification
data structures
,
dsu
,
greedy
2900
x380
1051F
The Shortest Statement
graphs
,
shortest paths
,
trees
2400
x2699
1051E
Vasya and Big Integers
binary search
,
data structures
,
dp
,
hashing
,
strings
2600
x901
1051D
Bicolorings
bitmasks
,
dp
1700
x7191
1051C
Vasya and Multisets
brute force
,
dp
,
greedy
,
implementation
,
math
1500
x9169
1051B
Relatively Prime Pairs
greedy
,
math
,
number theory
1000
x16700
1051A
Vasya And Password
greedy
,
implementation
,
strings
1200
x8334
1047B
Cover Points
geometry
,
math
900
x16934
1047A
Little C Loves 3 I
math
800
x19624
1046I
Say Hello
geometry
2300
x306
1046F
Splitting money
implementation
1400
x2731
1046C
Space Formula
greedy
1400
x3042
1045J
Moonwalk challenge
data structures
,
strings
,
trees
2600
x166
1045I
Palindrome Pairs
hashing
,
strings
1600
x4200
1045H
Self-exploration
math
2400
x366
1045G
AI robots
data structures
2200
x1551
1045F
Shady Lady
geometry
,
math
3400
x98
1045E
Ancient civilizations
constructive algorithms
,
geometry
3200
x121
1045D
Interstellar battle
math
,
probabilities
,
trees
2200
x641
1045C
Hyperspace Highways
dfs and similar
,
graphs
,
trees
2300
x648
1045B
Space Isaac
hashing
,
number theory
2400
x502
1045A
Last chance
data structures
,
flows
,
graph matchings
,
graphs
,
trees
2500
x324
1044F
DFS
data structures
2700
x507
1044E
Grid Sort
implementation
3100
x113
1044D
Deduction Queries
data structures
,
dsu
2400
x975
1044C
Optimal Polygon Perimeter
dp
,
geometry
2100
x1332
1044B
Intersecting Subtrees
dfs and similar
,
interactive
,
trees
1900
x1552
1044A
The Tower is Going Home
binary search
,
two pointers
1700
x2857
1043G
Speckled Band
data structures
,
divide and conquer
,
hashing
,
string suffix structures
,
strings
3500
x217
1043F
Make It One
bitmasks
,
combinatorics
,
dp
,
math
,
number theory
,
shortest paths
2500
x2206
1043E
Train Hard, Win Easy
constructive algorithms
,
greedy
,
math
,
sortings
1900
x2692
1043D
Mysterious Crime
brute force
,
combinatorics
,
math
,
meet-in-the-middle
,
two pointers
1700
x4378
1043C
Smallest Word
constructive algorithms
,
greedy
,
implementation
1500
x6793
1043B
Lost Array
implementation
1200
x6212
1043A
Elections
implementation
,
math
800
x10718
1042F
Leaf Sets
data structures
,
dfs and similar
,
dsu
,
graphs
,
greedy
,
sortings
,
trees
2400
x1244
1042E
Vasya and Magic Matrix
dp
,
math
,
probabilities
2300
x1696
1042D
Petya and Array
data structures
,
divide and conquer
,
two pointers
1800
x5770
1042C
Array Product
constructive algorithms
,
greedy
,
math
1700
x4637
1042B
Vitamins
bitmasks
,
brute force
,
dp
,
implementation
1200
x15392
1042A
Benches
binary search
,
implementation
1100
x12559
1041F
Ray in the tube
data structures
,
divide and conquer
,
dp
,
math
2500
x1459
1041E
Tree Reconstruction
constructive algorithms
,
data structures
,
graphs
,
greedy
1900
x3528
1041D
Glider
binary search
,
data structures
,
two pointers
1700
x5851
1041C
Coffee Break
binary search
,
data structures
,
greedy
,
two pointers
1600
x9315
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Codeforces Round 952 (Div. 4)
36:28:48
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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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