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#
Name
1163B1
Cat Party (Easy Edition)
data structures
,
implementation
1500
x6898
1163A
Eating Soup
greedy
,
math
900
x12793
1162B
Double Matrix
brute force
,
greedy
1400
x5777
1162A
Zoning Restrictions Again
implementation
800
x8183
1160A2
Collaboration
*special problem
1159B
Expansion coefficient of the array
implementation
,
math
1300
x7005
1159A
A pile of stones
implementation
,
math
800
x12390
1158F
Density of subarrays
dp
,
math
3500
x393
1158E
Strange device
binary search
,
interactive
,
math
,
trees
3400
x148
1158D
Winding polygonal line
constructive algorithms
,
geometry
,
greedy
,
math
2600
x665
1158C
Permutation recovery
constructive algorithms
,
data structures
,
dfs and similar
,
graphs
,
greedy
,
math
,
sortings
2100
x1751
1158B
The minimal unique substring
constructive algorithms
,
math
,
strings
2200
x2204
1158A
The Party and Sweets
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
,
sortings
,
two pointers
1500
x6895
1157G
Inverse of Rows and Columns
brute force
,
constructive algorithms
2200
x889
1157F
Maximum Balanced Circle
constructive algorithms
,
dp
,
greedy
,
two pointers
2000
x2551
1157E
Minimum Array
binary search
,
data structures
,
greedy
1700
x8202
1157D
N Problems During K Days
constructive algorithms
,
greedy
,
math
1900
x3632
1157C2
Increasing Subsequence (hard version)
greedy
1700
x7805
1157C1
Increasing Subsequence (easy version)
greedy
1300
x12410
1157B
Long Number
greedy
1300
x14457
1157A
Reachable Numbers
implementation
1100
x15435
1156G
Optimizer
graphs
,
greedy
,
hashing
,
implementation
2700
x121
1156F
Card Bag
dp
,
math
,
probabilities
2300
x1343
1156E
Special Segments of Permutation
data structures
,
divide and conquer
,
dsu
,
two pointers
2200
x2797
1156D
0-1-Tree
dfs and similar
,
divide and conquer
,
dp
,
dsu
,
trees
2200
x3718
1156C
Match Points
binary search
,
greedy
,
sortings
,
ternary search
,
two pointers
2000
x5921
1156B
Ugly Pairs
dfs and similar
,
greedy
,
implementation
,
sortings
,
strings
1800
x6146
1156A
Inscribed Figures
geometry
1400
x8124
1155F
Delivery Oligopoly
brute force
,
dp
,
graphs
2800
x404
1155E
Guess the Root
brute force
,
interactive
,
math
2200
x1394
1155D
Beautiful Array
brute force
,
data structures
,
divide and conquer
,
dp
,
greedy
1900
x6733
1155C
Alarm Clocks Everywhere
math
,
number theory
1300
x9089
1155B
Game with Telephone Numbers
games
,
greedy
,
implementation
1200
x11751
1155A
Reverse a Substring
implementation
,
sortings
,
strings
1000
x13785
1154G
Minimum Possible LCM
brute force
,
greedy
,
math
,
number theory
2200
x2640
1154F
Shovels Shop
dp
,
greedy
,
sortings
2100
x2624
1154E
Two Teams
data structures
,
implementation
,
sortings
1800
x6103
1154D
Walking Robot
greedy
1500
x9814
1154C
Gourmet Cat
implementation
,
math
1400
x10274
1154B
Make Them Equal
math
1200
x16364
1154A
Restoring Three Numbers
math
800
x67164
1153F
Serval and Bonus Problem
combinatorics
,
dp
,
math
,
probabilities
2600
x764
1153E
Serval and Snake
binary search
,
brute force
,
interactive
2200
x1453
1153D
Serval and Rooted Tree
binary search
,
dfs and similar
,
dp
,
greedy
,
trees
1900
x4853
1153C
Serval and Parenthesis Sequence
greedy
,
strings
1700
x7276
1153B
Serval and Toy Bricks
constructive algorithms
,
greedy
1200
x8983
1153A
Serval and Bus
brute force
,
math
1000
x11345
1152F2
Neko Rules the Catniverse (Large Version)
bitmasks
,
dp
,
matrices
3000
x606
1152F1
Neko Rules the Catniverse (Small Version)
bitmasks
,
dp
,
matrices
2800
x525
1152E
Neko and Flashback
constructive algorithms
,
dfs and similar
,
graphs
2400
x940
1152D
Neko and Aki's Prank
dp
,
greedy
,
trees
2100
x2377
1152C
Neko does Maths
brute force
,
math
,
number theory
1800
x6538
1152B
Neko Performs Cat Furrier Transform
bitmasks
,
constructive algorithms
,
dfs and similar
,
math
1300
x8827
1152A
Neko Finds Grapes
greedy
,
implementation
,
math
800
x15001
1151F
Sonya and Informatics
combinatorics
,
dp
,
matrices
,
probabilities
2300
x1149
1151E
Number of Components
combinatorics
,
data structures
,
dp
,
math
2100
x3090
1151D
Stas and the Queue at the Buffet
greedy
,
math
,
sortings
1600
x8238
1151C
Problem for Nazar
constructive algorithms
,
math
1800
x5275
1151B
Dima and a Bad XOR
bitmasks
,
brute force
,
constructive algorithms
,
dp
1600
x10769
1151A
Maxim and Biology
brute force
,
strings
1000
x11039
1150B
Tiling Challenge
greedy
,
implementation
900
x10814
1150A
Stock Arbitraging
greedy
,
implementation
800
x11644
1149E
Election Promises
games
,
graphs
3200
x484
1149D
Abandoning Roads
brute force
,
dp
,
graphs
,
greedy
3000
x679
1149C
Tree Generator™
data structures
,
implementation
,
trees
2700
x1181
1149B
Three Religions
dp
,
implementation
,
strings
2200
x1872
1149A
Prefix Sum Primes
constructive algorithms
,
greedy
,
math
,
number theory
1200
x14820
1148H
Holy Diver
data structures
3500
x241
1148G
Gold Experience
constructive algorithms
,
graphs
,
math
,
number theory
,
probabilities
3300
x316
1148F
Foo Fighters
bitmasks
,
constructive algorithms
2700
x975
1148E
Earth Wind and Fire
constructive algorithms
,
greedy
,
math
,
sortings
,
two pointers
2300
x1656
1148D
Dirty Deeds Done Dirt Cheap
greedy
,
sortings
1800
x4879
1148C
Crazy Diamond
constructive algorithms
,
sortings
1700
x5224
1148B
Born This Way
binary search
,
brute force
,
two pointers
1600
x7298
1148A
Another One Bites The Dust
greedy
800
x14739
1147F
Zigzag Game
games
,
interactive
3500
x240
1147E
Rainbow Coins
interactive
3000
x324
1147D
Palindrome XOR
dfs and similar
,
graphs
2400
x732
1147C
Thanos Nim
games
2000
x3167
1147B
Chladni Figure
brute force
,
strings
1900
x2823
1147A
Hide and Seek
graphs
1500
x5158
1146H
Satanic Panic
dp
,
geometry
2900
x468
1146G
Zoning Restrictions
dp
,
flows
,
graphs
2700
x797
1146F
Leaf Partition
dp
,
trees
2500
x1095
1146E
Hot is Cold
bitmasks
,
data structures
,
divide and conquer
,
implementation
2400
x839
1146D
Frog Jumping
dfs and similar
,
math
,
number theory
2100
x1086
1146C
Tree Diameter
bitmasks
,
graphs
,
interactive
1700
x3534
1146B
Hate "A"
implementation
,
strings
1100
x8348
1146A
Love "A"
implementation
,
strings
800
x21498
1145G
AI Takeover
interactive
x163
1145F
Neat Words
x500
1145E
Fourier Doodles
x413
1145D
Pigeon d'Or
implementation
x1142
1145C
Mystery Circuit
bitmasks
,
brute force
x791
1145B
Kanban Numbers
brute force
x1439
1145A
Thanos Sort
implementation
x8528
1144G
Two Merged Sequences
dp
,
greedy
2400
x1883
1144F
Graph Without Long Directed Paths
dfs and similar
,
graphs
1700
x10906
1144E
Median String
bitmasks
,
math
,
number theory
,
strings
1900
x4069
1144D
Equalize Them All
constructive algorithms
,
greedy
1400
x10091
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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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