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Problems
#
Name
1951I
Growing Trees
binary search
,
constructive algorithms
,
flows
,
graphs
,
greedy
3200
x45
1910G
Pool Records
*special problem
,
greedy
2700
x51
100J
Interval Coloring
*special problem
,
greedy
,
math
2400
x60
1431H
Rogue-like Game
*special problem
,
brute force
,
greedy
,
two pointers
2600
x65
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
1949H
Division Avoidance
greedy
,
math
3100
x74
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
187E
Heaven Tour
data structures
,
greedy
2900
x92
89E
Fire and Ice
greedy
2900
x97
856F
To Play or not to Play
greedy
3000
x101
649E
Автобус
binary search
,
data structures
,
greedy
,
sortings
2100
x103
457F
An easy problem about trees
dp
,
games
,
greedy
,
trees
3200
x103
1685D2
Permutation Weight (Hard Version)
constructive algorithms
,
greedy
3500
x104
391F2
Stock Trading
greedy
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
1969F
Card Pairing
dp
,
greedy
,
hashing
,
implementation
3000
x113
1297F
Movie Fan
*special problem
,
data structures
,
greedy
,
implementation
,
sortings
x113
1170F
Wheels
*special problem
,
binary search
,
greedy
x115
72F
Oil
*special problem
,
greedy
,
math
1900
x116
1876G
Clubstep
binary search
,
brute force
,
data structures
,
greedy
,
trees
3500
x117
1477E
Nezzar and Tournaments
data structures
,
greedy
3300
x117
1488G
Painting Numbers
*special problem
,
data structures
,
greedy
,
number theory
2500
x118
737E
Tanya is 5!
graph matchings
,
graphs
,
greedy
,
schedules
3300
x119
1237G
Balanced Distribution
data structures
,
dp
,
greedy
3500
x120
1156G
Optimizer
graphs
,
greedy
,
hashing
,
implementation
2700
x120
1089J
JS Minification
greedy
,
implementation
3200
x120
45F
Goats and Wolves
greedy
2500
x124
1250I
Show Must Go On
binary search
,
brute force
,
greedy
,
shortest paths
3100
x127
290F
Greedy Petya
*special problem
,
dfs and similar
,
graphs
,
greedy
2800
x127
1726F
Late For Work (submissions are not allowed)
data structures
,
greedy
,
schedules
,
shortest paths
2900
x131
1662B
Toys
greedy
,
strings
x131
391C2
The Tournament
greedy
x131
183E
Candy Shop
greedy
2900
x131
662E
To Hack or not to Hack
brute force
,
dp
,
greedy
3100
x132
48F
Snow sellers
greedy
,
sortings
2800
x133
1672I
PermutationForces
data structures
,
greedy
3000
x137
1209H
Moving Walkways
data structures
,
greedy
,
math
3300
x137
717B
R3D3’s Summer Adventure
dp
,
greedy
2700
x138
1431G
Number Deletion Game
*special problem
,
dp
,
games
,
greedy
2100
x139
1685E
The Ultimate LIS Problem
data structures
,
greedy
3500
x142
1861F
Four Suits
binary search
,
bitmasks
,
flows
,
greedy
3200
x147
871E
Restore the Tree
graphs
,
greedy
,
trees
2900
x147
1696H
Maximum Product?
brute force
,
combinatorics
,
dp
,
greedy
,
implementation
,
math
,
two pointers
3500
x153
1431F
Neural Network Problem
*special problem
,
binary search
,
greedy
2100
x154
1852E
Rivalries
constructive algorithms
,
data structures
,
greedy
3400
x157
1886F
Diamond Theft
data structures
,
greedy
3300
x159
887F
Row of Models
greedy
,
sortings
2500
x161
859F
Ordering T-Shirts
greedy
2800
x161
1910F
Build Railway Stations
*special problem
,
greedy
,
trees
2000
x163
796F
Sequence Recovery
bitmasks
,
data structures
,
greedy
2800
x169
1329E
Dreamoon Loves AA
binary search
,
greedy
3300
x172
1895G
Two Characters, Two Colors
binary search
,
data structures
,
dp
,
flows
,
greedy
3100
x173
72A
Goshtasp, Vishtasp and Eidi
*special problem
,
greedy
,
math
1800
x181
736E
Chess Championship
constructive algorithms
,
flows
,
greedy
,
math
2900
x182
581E
Kojiro and Furrari
dp
,
greedy
2800
x187
1211E
Double Permutation Inc.
*special problem
,
binary search
,
greedy
2000
x188
1638F
Two Posters
brute force
,
data structures
,
greedy
,
two pointers
3200
x189
167D
Wizards and Roads
data structures
,
divide and conquer
,
graph matchings
,
graphs
,
greedy
3000
x190
1951H
Thanos Snap
binary search
,
dp
,
games
,
greedy
,
trees
3200
x201
207A3
Beaver's Calculator 1.0
greedy
2000
x202
1533F
Binary String Partition
*special problem
,
binary search
,
greedy
x212
1687E
Become Big For Me
combinatorics
,
constructive algorithms
,
greedy
,
math
,
number theory
3500
x215
309E
Sheep
binary search
,
greedy
2900
x217
1346F
Dune II: Battle For Arrakis
*special problem
,
data structures
,
greedy
,
math
2000
x219
1190E
Tokitsukaze and Explosion
binary search
,
greedy
3100
x221
648D
Собачки и миски
data structures
,
greedy
,
sortings
1900
x221
207A2
Beaver's Calculator 1.0
greedy
1800
x223
1211D
Teams
*special problem
,
binary search
,
greedy
,
math
2000
x224
370E
Summer Reading
dp
,
greedy
2500
x230
1943E2
MEX Game 2 (Hard Version)
binary search
,
greedy
,
two pointers
3300
x239
173D
Deputies
constructive algorithms
,
graphs
,
greedy
,
implementation
2500
x246
1868D
Flower-like Pseudotree
constructive algorithms
,
graphs
,
greedy
,
implementation
,
trees
3000
x248
1120F
Secret Letters
data structures
,
dp
,
greedy
3100
x249
1817E
Half-sum
brute force
,
divide and conquer
,
greedy
3400
x250
1297D
Bonus Distribution
*special problem
,
binary search
,
greedy
,
sortings
x259
566B
Replicating Processes
constructive algorithms
,
greedy
2600
x259
175E
Power Defence
brute force
,
dp
,
geometry
,
greedy
2600
x260
91D
Grocer's Problem
constructive algorithms
,
graphs
,
greedy
2600
x261
1466H
Finding satisfactory solutions
combinatorics
,
dp
,
graphs
,
greedy
,
math
3300
x262
1054G
New Road Network
constructive algorithms
,
greedy
,
math
3300
x262
1884E
Hard Design
greedy
,
implementation
,
math
2800
x264
1181E2
A Story of One Country (Hard)
brute force
,
greedy
,
sortings
3000
x264
1806F2
GCD Master (hard version)
greedy
,
math
,
sortings
2900
x268
1456E
XOR-ranges
dp
,
greedy
3500
x269
1533E
Chess Team Forming
*special problem
,
binary search
,
data structures
,
greedy
x272
207A1
Beaver's Calculator 1.0
greedy
1600
x274
1693F
I Might Be Wrong
binary search
,
greedy
,
two pointers
3400
x275
203E
Transportation
greedy
,
sortings
,
two pointers
2300
x276
1416E
Split
binary search
,
data structures
,
dp
,
greedy
3200
x277
64D
Presents
*special problem
,
greedy
1800
x281
1726G
A Certain Magical Party
combinatorics
,
data structures
,
greedy
,
sortings
3300
x283
1599J
Bob's Beautiful Array
bitmasks
,
brute force
,
greedy
2600
x284
1682F
MCMF?
data structures
,
flows
,
graphs
,
greedy
,
sortings
,
two pointers
2700
x286
1718D
Permutation for Burenka
data structures
,
graph matchings
,
greedy
,
math
,
trees
3300
x288
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25:26:03
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