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04:10:43
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combine-tags-by-or
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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
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
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Custom test
Problems
#
Name
1204C
Anna, Svyatoslav and Maps
dp
,
graphs
,
greedy
,
shortest paths
1700
x6776
1203E
Boxers
greedy
,
sortings
1500
x14013
1203D2
Remove the Substring (hard version)
binary search
,
greedy
,
implementation
,
two pointers
1700
x7520
1203D1
Remove the Substring (easy version)
greedy
,
implementation
1600
x8887
1202B
You Are Given a Decimal String...
brute force
,
dp
,
shortest paths
1700
x4606
1201C
Maximum Median
binary search
,
greedy
,
math
,
sortings
1400
x24721
1201B
Zero Array
greedy
,
math
1500
x19506
1200C
Round Corridor
math
,
number theory
1400
x9944
1198B
Welfare State
binary search
,
brute force
,
data structures
,
sortings
1600
x9538
1198A
MP3
sortings
,
two pointers
1600
x9076
1197C
Array Splitting
greedy
,
sortings
1400
x14022
1196E
Connected Component on a Chessboard
constructive algorithms
,
implementation
1800
x3766
1196D2
RGB Substring (hard version)
data structures
,
dp
,
implementation
,
two pointers
1600
x9835
1196D1
RGB Substring (easy version)
implementation
1500
x10654
1196C
Robot Breakout
implementation
1500
x9421
1195D2
Submarine in the Rybinsk Sea (hard edition)
combinatorics
,
math
,
number theory
1800
x4693
1195D1
Submarine in the Rybinsk Sea (easy edition)
combinatorics
,
math
,
number theory
1500
x7937
1195C
Basketball Exercise
dp
1400
x27004
1194D
1-2-K Game
games
,
math
1700
x6637
1190B
Tokitsukaze, CSL and Stone Game
games
1800
x6508
1190A
Tokitsukaze and Discard Items
implementation
,
two pointers
1400
x9414
1189C
Candies!
data structures
,
dp
,
implementation
,
math
1400
x10658
1188A1
Add on a Tree
trees
1600
x8493
1187C
Vasya And Array
constructive algorithms
,
greedy
,
implementation
1800
x6411
1186D
Vus the Cossack and Numbers
constructive algorithms
,
greedy
,
math
1500
x9011
1186C
Vus the Cossack and Strings
implementation
,
math
1800
x6168
1185D
Extra Element
implementation
,
math
1700
x6767
1185C2
Exam in BerSU (hard version)
brute force
,
data structures
,
greedy
,
math
1700
x7514
1184D1
Parallel Universes (Easy)
implementation
1600
x2555
1184C1
Heidi and the Turing Test (Easy)
implementation
1600
x2333
1184B1
The Doctor Meets Vader (Easy)
binary search
,
sortings
1400
x5466
1183D
Candy Box (easy version)
greedy
,
sortings
1400
x14936
1183C
Computer Game
binary search
,
math
1400
x14155
1182C
Beautiful Lyrics
data structures
,
greedy
,
strings
1700
x4443
1181B
Split a Number
greedy
,
implementation
,
strings
1500
x6347
1180B
Nick and Array
greedy
,
implementation
1500
x9654
1179B
Tolik and His Uncle
constructive algorithms
1800
x4411
1179A
Valeriy and Deque
data structures
,
implementation
1500
x10750
1178D
Prime Graph
constructive algorithms
,
greedy
,
math
,
number theory
1500
x7491
1177B
Digits Sequence (Hard Edition)
binary search
,
divide and conquer
,
implementation
1800
x2620
1176E
Cover it!
dfs and similar
,
dsu
,
graphs
,
shortest paths
,
trees
1700
x11457
1176D
Recover it!
dfs and similar
,
graphs
,
greedy
,
number theory
,
sortings
1800
x5359
1175C
Electrification
binary search
,
brute force
,
greedy
1600
x6869
1175B
Catch Overflow!
data structures
,
expression parsing
,
implementation
1600
x10848
1172A
Nauuo and Cards
greedy
,
implementation
1800
x5008
1169B
Pairs
graphs
,
implementation
1500
x9909
1168A
Increasing by Modulo
binary search
,
greedy
1700
x6954
1167D
Bicolored RBS
constructive algorithms
,
greedy
1500
x7026
1167C
News Distribution
dfs and similar
,
dsu
,
graphs
1400
x19180
1167B
Lost Numbers
brute force
,
divide and conquer
,
interactive
,
math
1400
x12268
1166C
A Tale of Two Lands
binary search
,
sortings
,
two pointers
1500
x10006
1165E
Two Arrays and Sum of Functions
greedy
,
math
,
sortings
1600
x8526
1165D
Almost All Divisors
math
,
number theory
1600
x16533
1163B2
Cat Party (Hard Edition)
data structures
,
implementation
1600
x7301
1163B1
Cat Party (Easy Edition)
data structures
,
implementation
1500
x7034
1162B
Double Matrix
brute force
,
greedy
1400
x5835
1158A
The Party and Sweets
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
,
sortings
,
two pointers
1500
x7290
1157E
Minimum Array
binary search
,
data structures
,
greedy
1700
x8511
1157C2
Increasing Subsequence (hard version)
greedy
1700
x8160
1156B
Ugly Pairs
dfs and similar
,
greedy
,
implementation
,
sortings
,
strings
1800
x6257
1156A
Inscribed Figures
geometry
1400
x8276
1154E
Two Teams
data structures
,
implementation
,
sortings
1800
x6398
1154D
Walking Robot
greedy
1500
x10063
1154C
Gourmet Cat
implementation
,
math
1400
x10515
1153C
Serval and Parenthesis Sequence
greedy
,
strings
1700
x7450
1152C
Neko does Maths
brute force
,
math
,
number theory
1800
x6733
1151D
Stas and the Queue at the Buffet
greedy
,
math
,
sortings
1600
x8500
1151C
Problem for Nazar
constructive algorithms
,
math
1800
x5388
1151B
Dima and a Bad XOR
bitmasks
,
brute force
,
constructive algorithms
,
dp
1600
x11486
1148D
Dirty Deeds Done Dirt Cheap
greedy
,
sortings
1800
x5023
1148C
Crazy Diamond
constructive algorithms
,
sortings
1700
x5331
1148B
Born This Way
binary search
,
brute force
,
two pointers
1600
x7571
1147A
Hide and Seek
graphs
1500
x5294
1146C
Tree Diameter
bitmasks
,
graphs
,
interactive
1700
x3749
1144F
Graph Without Long Directed Paths
dfs and similar
,
graphs
1700
x11910
1144D
Equalize Them All
constructive algorithms
,
greedy
1400
x10406
1143C
Queen
dfs and similar
,
trees
1400
x12947
1142A
The Beatles
brute force
,
math
1700
x3467
1141E
Superhero Battle
math
1700
x6815
1141D
Colored Boots
greedy
,
implementation
1500
x8611
1141C
Polycarp Restores Permutation
math
1500
x11584
1140C
Playlist
brute force
,
data structures
,
sortings
1600
x9686
1139C
Edgy Trees
dfs and similar
,
dsu
,
graphs
,
math
,
trees
1500
x12946
1138B
Circus
brute force
,
greedy
,
math
,
strings
1800
x4049
1137B
Camp Schedule
greedy
,
hashing
,
strings
1600
x6227
1137A
Skyscrapers
implementation
,
sortings
1600
x4503
1136D
Nastya Is Buying Lunch
greedy
1800
x3840
1136C
Nastya Is Transposing Matrices
constructive algorithms
,
sortings
1500
x7748
1133F1
Spanning Tree with Maximum Degree
graphs
1600
x7977
1133E
K Balanced Teams
dp
,
sortings
,
two pointers
1800
x5632
1133D
Zero Quantity Maximization
hashing
,
math
,
number theory
1500
x12380
1132C
Painting the Fence
brute force
1700
x5462
1131F
Asya And Kittens
constructive algorithms
,
dsu
1700
x6807
1131B
Draw!
greedy
,
implementation
1400
x9789
1130C
Connect
brute force
,
dfs and similar
,
dsu
1400
x8723
1129A2
Toy Train
brute force
,
greedy
1800
x4114
1129A1
Toy Train (Simplified)
brute force
,
greedy
1700
x3836
1121C
System Testing
implementation
1600
x2022
1119D
Frets On Fire
binary search
,
sortings
1800
x4890
1119C
Ramesses and Corner Inversion
constructive algorithms
,
greedy
,
implementation
,
math
1500
x6888
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