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Kotlin Heroes: Episode 11
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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
616D
Longest k-Good Segment
binary search
,
data structures
,
two pointers
1600
x9383
616C
The Labyrinth
dfs and similar
1600
x5595
615E
Hexagons
binary search
,
implementation
,
math
2100
x978
615D
Multipliers
math
,
number theory
2000
x3884
615C
Running Track
dp
,
greedy
,
strings
,
trees
2000
x2318
615B
Longtail Hedgehog
dp
,
graphs
1600
x5095
614B
Gena's Code
implementation
,
math
1400
x6903
614A
Link/Cut Tree
brute force
,
implementation
1500
x7459
613E
Puzzle Lover
dp
,
hashing
,
strings
3200
x463
613D
Kingdom and its Cities
dfs and similar
,
divide and conquer
,
dp
,
graphs
,
sortings
,
trees
2800
x2931
613C
Necklace
constructive algorithms
,
math
2500
x1005
613B
Skills
binary search
,
brute force
,
dp
,
greedy
,
sortings
,
two pointers
1900
x2212
613A
Peter and Snow Blower
binary search
,
geometry
,
ternary search
1900
x3216
612F
Simba on the Circle
dp
2600
x385
612E
Square Root of Permutation
combinatorics
,
constructive algorithms
,
dfs and similar
,
graphs
,
math
2200
x1682
612D
The Union of k-Segments
greedy
,
sortings
1800
x3827
612C
Replace To Make Regular Bracket Sequence
data structures
,
expression parsing
,
math
1400
x8002
611H
New Year and Forgotten Tree
constructive algorithms
,
flows
,
graphs
3200
x581
611G
New Year and Cake
geometry
,
two pointers
2900
x433
611F
New Year and Cleaning
binary search
,
implementation
2500
x478
611E
New Year and Three Musketeers
data structures
,
greedy
,
sortings
2400
x866
611D
New Year and Ancient Prophecy
dp
,
hashing
,
strings
2000
x2587
611C
New Year and Domino
dp
,
implementation
1500
x8480
610E
Alphabet Permutations
data structures
,
strings
2500
x877
610D
Vika and Segments
constructive algorithms
,
data structures
,
geometry
,
two pointers
2300
x1491
610C
Harmony Analysis
constructive algorithms
1800
x2841
609F
Frogs and mosquitoes
data structures
,
greedy
2500
x1240
609E
Minimum spanning tree for each edge
data structures
,
dfs and similar
,
dsu
,
graphs
,
trees
2100
x7741
609D
Gadgets for dollars and pounds
binary search
,
greedy
,
two pointers
2000
x2705
609C
Load Balancing
implementation
,
math
1500
x6573
608B
Hamming Distance Sum
combinatorics
,
strings
1500
x6808
607E
Cross Sum
binary search
,
geometry
3300
x251
607D
Power Tree
data structures
,
trees
2600
x568
607C
Marbles
hashing
,
strings
2500
x790
607B
Zuma
dp
1900
x12075
607A
Chain Reaction
binary search
,
dp
1600
x9544
606B
Testing Robots
implementation
1600
x2750
605E
Intergalaxy Trips
probabilities
,
shortest paths
2700
x1380
605D
Board Game
data structures
,
dfs and similar
2500
x801
605C
Freelancer's Dreams
geometry
2400
x1118
605B
Lazy Student
constructive algorithms
,
data structures
,
graphs
1700
x3444
605A
Sorting Railway Cars
constructive algorithms
,
greedy
1600
x7118
604B
More Cowbell
binary search
,
greedy
1400
x8433
603E
Pastoral Oddities
data structures
,
divide and conquer
,
dsu
,
math
,
trees
3000
x1232
603D
Ruminations on Ruminants
geometry
,
math
2900
x340
603C
Lieges of Legendre
games
,
math
2200
x1866
603B
Moodular Arithmetic
combinatorics
,
dfs and similar
,
dsu
,
math
,
number theory
1800
x2574
603A
Alternative Thinking
dp
,
greedy
,
math
1600
x7640
602B
Approximating a Constant Range
dp
,
implementation
,
two pointers
1400
x10799
601E
A Museum Robbery
data structures
,
dp
2800
x869
601D
Acyclic Organic Compounds
data structures
,
dfs and similar
,
dsu
,
hashing
,
strings
,
trees
2400
x1140
601C
Kleofáš and the n-thlon
dp
,
math
,
probabilities
2300
x1310
601B
Lipshitz Sequence
data structures
,
math
2100
x2323
601A
The Two Routes
graphs
,
shortest paths
1600
x11896
600F
Edge coloring of bipartite graph
graphs
2800
x796
600E
Lomsat gelral
data structures
,
dfs and similar
,
dsu
,
trees
2300
x13810
600D
Area of Two Circles' Intersection
geometry
2000
x2269
600C
Make Palindrome
constructive algorithms
,
greedy
,
strings
1800
x6104
600A
Extract Numbers
implementation
,
strings
1600
x5211
599E
Sandy and Nuts
bitmasks
,
dp
,
trees
2600
x657
599D
Spongebob and Squares
brute force
,
math
1900
x2560
599C
Day at the Beach
sortings
1600
x4629
599B
Spongebob and Joke
implementation
1500
x4378
598F
Cut Length
geometry
2900
x376
598E
Chocolate Bar
brute force
,
dp
2000
x4943
598D
Igor In the Museum
dfs and similar
,
graphs
,
shortest paths
1700
x10966
598C
Nearest vectors
geometry
,
sortings
2300
x4369
597C
Subsequences
data structures
,
dp
1900
x4919
597B
Restaurant
dp
,
greedy
,
sortings
1600
x4814
597A
Divisibility
math
1600
x4498
596E
Wilbur and Strings
dfs and similar
,
dp
,
graphs
,
strings
2500
x393
596D
Wilbur and Trees
dp
,
math
,
probabilities
,
sortings
2300
x682
596C
Wilbur and Points
combinatorics
,
greedy
,
sortings
1700
x2255
595B
Pasha and Phone
binary search
,
math
1600
x2914
594E
Cutting the Line
string suffix structures
,
strings
3100
x161
594D
REQ
data structures
,
number theory
2500
x1608
594C
Edo and Magnets
brute force
,
greedy
,
implementation
,
two pointers
2300
x689
594B
Max and Bike
binary search
,
geometry
2500
x497
594A
Warrior and Archer
games
2300
x1729
593E
Strange Calculation and Cats
dp
,
matrices
2400
x634
593D
Happy Tree Party
data structures
,
dfs and similar
,
graphs
,
math
,
trees
2400
x1239
593C
Beautiful Function
constructive algorithms
,
math
2200
x284
593B
Anton and Lines
geometry
,
sortings
1600
x4026
592E
BCPC
binary search
,
geometry
,
two pointers
2700
x213
592D
Super M
dfs and similar
,
dp
,
graphs
,
trees
2200
x2621
592C
The Big Race
math
1800
x3062
590E
Birthday
graph matchings
,
strings
3200
x779
590D
Top Secret Task
dp
2300
x1208
590C
Three States
dfs and similar
,
graphs
,
shortest paths
2200
x2763
590B
Chip 'n Dale Rescue Rangers
binary search
,
geometry
,
math
2100
x1910
590A
Median Smoothing
implementation
1700
x3925
587F
Duff is Mad
data structures
,
strings
3000
x1045
587E
Duff as a Queen
data structures
2900
x711
587D
Duff in Mafia
2-sat
,
binary search
3100
x730
587C
Duff in the Army
data structures
,
trees
2200
x3893
587B
Duff in Beach
dp
2100
x1400
587A
Duff and Weight Lifting
greedy
1500
x7498
585F
Digits of Number Pi
dp
,
implementation
,
strings
3200
x681
585E
Present for Vitalik the Philatelist
combinatorics
,
math
,
number theory
2900
x1104
585D
Lizard Era: Beginning
meet-in-the-middle
2300
x1621
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