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Problems
#
Name
1889F
Doremy's Average Tree
data structures
,
dp
,
greedy
,
trees
3500
x68
1868F
LIS?
data structures
,
greedy
,
implementation
3500
x69
1868E
Min-Sum-Max
constructive algorithms
,
dp
,
greedy
3500
x73
1870H
Standard Graph Problem
data structures
,
graphs
,
greedy
,
trees
3500
x77
1864I
Future Dominators
graphs
,
greedy
3500
x82
1349E
Slime and Hats
constructive algorithms
,
dp
,
greedy
3500
x86
1685D2
Permutation Weight (Hard Version)
constructive algorithms
,
greedy
3500
x104
1827F
Copium Permutation
constructive algorithms
,
data structures
,
greedy
3500
x107
1842I
Tenzing and Necklace
divide and conquer
,
dp
,
greedy
3500
x108
1305H
Kuroni the Private Tutor
binary search
,
greedy
3500
x110
1876G
Clubstep
binary search
,
brute force
,
data structures
,
greedy
,
trees
3500
x117
1237G
Balanced Distribution
data structures
,
dp
,
greedy
3500
x120
1685E
The Ultimate LIS Problem
data structures
,
greedy
3500
x142
1696H
Maximum Product?
brute force
,
combinatorics
,
dp
,
greedy
,
implementation
,
math
,
two pointers
3500
x153
1687E
Become Big For Me
combinatorics
,
constructive algorithms
,
greedy
,
math
,
number theory
3500
x215
1456E
XOR-ranges
dp
,
greedy
3500
x269
1637H
Minimize Inversions Number
data structures
,
greedy
,
math
,
sortings
3500
x300
1292E
Rin and The Unknown Flower
constructive algorithms
,
greedy
,
interactive
,
math
3500
x328
1852E
Rivalries
constructive algorithms
,
data structures
,
greedy
3400
x157
1817E
Half-sum
brute force
,
divide and conquer
,
greedy
3400
x250
1693F
I Might Be Wrong
binary search
,
greedy
,
two pointers
3400
x275
1548E
Gregor and the Two Painters
data structures
,
divide and conquer
,
graphs
,
greedy
,
math
3400
x339
1827E
Bus Routes
binary search
,
constructive algorithms
,
dfs and similar
,
greedy
,
trees
3400
x363
1693E
Outermost Maximums
data structures
,
greedy
3400
x371
1097E
Egor and an RPG game
constructive algorithms
,
greedy
3400
x465
1477E
Nezzar and Tournaments
data structures
,
greedy
3300
x117
737E
Tanya is 5!
graph matchings
,
graphs
,
greedy
,
schedules
3300
x119
1209H
Moving Walkways
data structures
,
greedy
,
math
3300
x137
1886F
Diamond Theft
data structures
,
greedy
3300
x159
1329E
Dreamoon Loves AA
binary search
,
greedy
3300
x172
1943E2
MEX Game 2 (Hard Version)
binary search
,
greedy
,
two pointers
3300
x239
1466H
Finding satisfactory solutions
combinatorics
,
dp
,
graphs
,
greedy
,
math
3300
x262
1054G
New Road Network
constructive algorithms
,
greedy
,
math
3300
x262
1726G
A Certain Magical Party
combinatorics
,
data structures
,
greedy
,
sortings
3300
x283
1718D
Permutation for Burenka
data structures
,
graph matchings
,
greedy
,
math
,
trees
3300
x288
1753E
N Machines
binary search
,
brute force
,
greedy
3300
x309
1556H
DIY Tree
graphs
,
greedy
,
math
,
probabilities
3300
x323
1368H1
Breadboard Capacity (easy version)
dp
,
flows
,
greedy
3300
x330
1408H
Rainbow Triples
binary search
,
data structures
,
flows
,
greedy
3300
x352
1416F
Showing Off
flows
,
graph matchings
,
greedy
,
implementation
3300
x373
1610G
AmShZ Wins a Bet
data structures
,
greedy
,
hashing
3300
x376
671E
Organizing a Race
data structures
,
greedy
3300
x394
526G
Spiders Evil Plan
greedy
,
trees
3300
x692
1951I
Growing Trees
binary search
,
constructive algorithms
,
flows
,
graphs
,
greedy
3200
x45
457F
An easy problem about trees
dp
,
games
,
greedy
,
trees
3200
x103
1089J
JS Minification
greedy
,
implementation
3200
x120
1861F
Four Suits
binary search
,
bitmasks
,
flows
,
greedy
3200
x147
1638F
Two Posters
brute force
,
data structures
,
greedy
,
two pointers
3200
x189
1951H
Thanos Snap
binary search
,
dp
,
games
,
greedy
,
trees
3200
x201
1416E
Split
binary search
,
data structures
,
dp
,
greedy
3200
x277
1427F
Boring Card Game
data structures
,
greedy
,
trees
3200
x308
1495E
Qingshan and Daniel
brute force
,
data structures
,
greedy
,
implementation
3200
x406
650E
Clockwork Bomb
data structures
,
dfs and similar
,
dsu
,
greedy
,
trees
3200
x586
538H
Summer Dichotomy
2-sat
,
data structures
,
dfs and similar
,
greedy
3200
x628
573E
Bear and Bowling
data structures
,
greedy
3200
x1345
1949H
Division Avoidance
greedy
,
math
3100
x74
1250I
Show Must Go On
binary search
,
brute force
,
greedy
,
shortest paths
3100
x127
662E
To Hack or not to Hack
brute force
,
dp
,
greedy
3100
x132
1895G
Two Characters, Two Colors
binary search
,
data structures
,
dp
,
flows
,
greedy
3100
x173
1190E
Tokitsukaze and Explosion
binary search
,
greedy
3100
x221
1120F
Secret Letters
data structures
,
dp
,
greedy
3100
x249
1805F2
Survival of the Weakest (hard version)
greedy
,
math
,
sortings
,
two pointers
3100
x329
1566G
Four Vertices
constructive algorithms
,
data structures
,
graphs
,
greedy
,
implementation
,
shortest paths
3100
x329
1067D
Computer Game
dp
,
greedy
,
math
,
probabilities
3100
x355
1647F
Madoka and Laziness
dp
,
greedy
3100
x377
1728F
Fishermen
flows
,
graph matchings
,
greedy
3100
x409
1936D
Bitwise Paradox
binary search
,
bitmasks
,
data structures
,
greedy
,
two pointers
3100
x419
1610H
Squid Game
data structures
,
dfs and similar
,
greedy
,
trees
3100
x422
700D
Huffman Coding on Segment
data structures
,
greedy
3100
x452
1481F
AB Tree
dp
,
greedy
,
trees
3100
x462
626G
Raffles
data structures
,
dp
,
greedy
,
math
3100
x517
1225G
To Make 1
bitmasks
,
constructive algorithms
,
dp
,
greedy
,
number theory
3100
x523
704D
Captain America
flows
,
greedy
3100
x776
1458D
Flip and Reverse
data structures
,
graphs
,
greedy
3100
x979
856F
To Play or not to Play
greedy
3000
x101
1969F
Card Pairing
dp
,
greedy
,
hashing
,
implementation
3000
x113
1672I
PermutationForces
data structures
,
greedy
3000
x137
167D
Wizards and Roads
data structures
,
divide and conquer
,
graph matchings
,
graphs
,
greedy
3000
x190
1868D
Flower-like Pseudotree
constructive algorithms
,
graphs
,
greedy
,
implementation
,
trees
3000
x248
1181E2
A Story of One Country (Hard)
brute force
,
greedy
,
sortings
3000
x264
1411F
The Thorny Path
greedy
,
math
3000
x320
936D
World of Tank
dp
,
greedy
3000
x324
1776M
Parmigiana With Seafood
binary search
,
dp
,
greedy
,
trees
3000
x353
1609G
A Stroll Around the Matrix
data structures
,
greedy
,
math
3000
x363
533A
Berland Miners
binary search
,
data structures
,
dfs and similar
,
greedy
,
trees
3000
x373
1854E
Game Bundles
brute force
,
constructive algorithms
,
dp
,
greedy
,
math
3000
x383
341E
Candies Game
constructive algorithms
,
greedy
3000
x428
1558E
Down Below
binary search
,
dfs and similar
,
graphs
,
greedy
,
meet-in-the-middle
,
shortest paths
3000
x435
771E
Bear and Rectangle Strips
dp
,
greedy
3000
x441
1381D
The Majestic Brown Tree Snake
dfs and similar
,
dp
,
greedy
,
trees
,
two pointers
3000
x447
1637G
Birthday
constructive algorithms
,
greedy
,
math
3000
x456
335F
Buy One, Get One Free
dp
,
greedy
3000
x459
1534F2
Falling Sand (Hard Version)
dfs and similar
,
dp
,
graphs
,
greedy
3000
x516
1442E
Black, White and Grey Tree
binary search
,
constructive algorithms
,
dfs and similar
,
dp
,
greedy
,
trees
3000
x554
1428G2
Lucky Numbers (Hard Version)
dp
,
greedy
3000
x610
1149D
Abandoning Roads
brute force
,
dp
,
graphs
,
greedy
3000
x671
1446D2
Frequency Problem (Hard Version)
data structures
,
greedy
,
two pointers
3000
x1218
187E
Heaven Tour
data structures
,
greedy
2900
x92
89E
Fire and Ice
greedy
2900
x97
1726F
Late For Work (submissions are not allowed)
data structures
,
greedy
,
schedules
,
shortest paths
2900
x131
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24:43:58
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