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Kotlin Heroes: Practice 10
03:12:02
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Kotlin Heroes: Episode 10
04:12:02
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Difficulty:
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implementation
combine-tags-by-or
*combine tags by OR
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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Problems
#
Name
132B
Piet
implementation
2100
x471
386D
Game with Points
dp
,
graphs
,
implementation
,
shortest paths
2100
x411
100H
Battleship
*special problem
,
dfs and similar
,
implementation
2100
x74
86D
Powerful array
data structures
,
implementation
,
math
,
two pointers
2200
x12542
1092D1
Great Vova Wall (Version 1)
greedy
,
implementation
,
math
2200
x4459
1333F
Kate and imperfection
greedy
,
implementation
,
math
,
number theory
,
sortings
,
two pointers
2200
x3975
1520G
To Go Or Not To Go?
brute force
,
dfs and similar
,
graphs
,
greedy
,
implementation
,
shortest paths
2200
x3503
280C
Game on Tree
implementation
,
math
,
probabilities
,
trees
2200
x3502
1437E
Make It Increasing
binary search
,
constructive algorithms
,
data structures
,
dp
,
implementation
2200
x3328
1175E
Minimal Segment Cover
data structures
,
dfs and similar
,
divide and conquer
,
dp
,
greedy
,
implementation
,
trees
2200
x3201
1305E
Kuroni and the Score Distribution
constructive algorithms
,
greedy
,
implementation
,
math
2200
x2918
1092D2
Great Vova Wall (Version 2)
data structures
,
implementation
2200
x2834
616E
Sum of Remainders
implementation
,
math
,
number theory
2200
x2684
707D
Persistent Bookcase
bitmasks
,
data structures
,
dfs and similar
,
implementation
2200
x2599
1542D
Priority Queue
combinatorics
,
dp
,
implementation
,
math
,
ternary search
2200
x2532
1384B2
Koa and the Beach (Hard Version)
constructive algorithms
,
dp
,
greedy
,
implementation
2200
x2459
1736D
Equal Binary Subsequences
constructive algorithms
,
geometry
,
greedy
,
implementation
,
strings
2200
x2400
547A
Mike and Frog
brute force
,
greedy
,
implementation
,
math
2200
x2311
1498D
Bananas in a Microwave
dfs and similar
,
dp
,
graphs
,
implementation
2200
x2250
1627E
Not Escaping
data structures
,
dp
,
implementation
,
shortest paths
,
two pointers
2200
x2240
1704E
Count Seconds
brute force
,
constructive algorithms
,
dp
,
graphs
,
implementation
,
math
2200
x2224
1398E
Two Types of Spells
binary search
,
data structures
,
greedy
,
implementation
,
math
,
sortings
2200
x2178
1461E
Water Level
brute force
,
graphs
,
greedy
,
implementation
,
math
2200
x2061
1181D
Irrigation
binary search
,
data structures
,
implementation
,
sortings
,
trees
,
two pointers
2200
x2030
1763D
Valid Bitonic Permutations
combinatorics
,
dp
,
implementation
,
math
,
number theory
2200
x1960
1208E
Let Them Slide
data structures
,
implementation
2200
x1960
1179C
Serge and Dining Room
binary search
,
data structures
,
graph matchings
,
greedy
,
implementation
,
math
,
trees
2200
x1957
1800G
Symmetree
dfs and similar
,
hashing
,
implementation
,
trees
2200
x1934
1149B
Three Religions
dp
,
implementation
,
strings
2200
x1868
1737D
Ela and the Wiring Wizard
brute force
,
dp
,
graphs
,
greedy
,
implementation
,
shortest paths
2200
x1812
1954E
Chain Reaction
binary search
,
data structures
,
dsu
,
greedy
,
implementation
,
math
,
number theory
2200
x1781
1907G
Lights
brute force
,
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
,
implementation
2200
x1749
507D
The Maths Lecture
dp
,
implementation
2200
x1686
1580C
Train Maintenance
brute force
,
data structures
,
implementation
2200
x1665
1789D
Serval and Shift-Shift-Shift
bitmasks
,
brute force
,
constructive algorithms
,
implementation
2200
x1576
1918E
ace5 and Task Order
constructive algorithms
,
divide and conquer
,
implementation
,
interactive
,
probabilities
,
sortings
2200
x1556
1926F
Vlad and Avoiding X
bitmasks
,
brute force
,
dfs and similar
,
dp
,
implementation
2200
x1492
448E
Divisors
brute force
,
dfs and similar
,
implementation
,
number theory
2200
x1446
1650F
Vitaly and Advanced Useless Algorithms
dp
,
greedy
,
implementation
2200
x1384
550E
Brackets in Implications
constructive algorithms
,
greedy
,
implementation
,
math
2200
x1376
461C
Appleman and a Sheet of Paper
data structures
,
implementation
2200
x1310
1772G
Gaining Rating
binary search
,
greedy
,
implementation
,
math
,
sortings
,
two pointers
2200
x1272
903E
Swapping Characters
brute force
,
hashing
,
implementation
,
strings
2200
x1256
765E
Tree Folding
dfs and similar
,
dp
,
greedy
,
implementation
,
trees
2200
x1246
1765H
Hospital Queue
binary search
,
graphs
,
greedy
,
implementation
2200
x1193
639C
Bear and Polynomials
hashing
,
implementation
,
math
2200
x1188
1921G
Mischievous Shooter
brute force
,
data structures
,
divide and conquer
,
dp
,
implementation
2200
x1127
1666F
Fancy Stack
combinatorics
,
dp
,
implementation
2200
x1108
286B
Shifting
implementation
2200
x1101
946E
Largest Beautiful Number
greedy
,
implementation
2200
x1074
225D
Snake
bitmasks
,
dfs and similar
,
graphs
,
implementation
2200
x912
754C
Vladik and chat
brute force
,
constructive algorithms
,
dp
,
implementation
,
strings
2200
x907
1425E
Excitation of Atoms
greedy
,
implementation
2200
x906
518E
Arthur and Questions
greedy
,
implementation
,
math
,
ternary search
2200
x906
868D
Huge Strings
bitmasks
,
brute force
,
dp
,
implementation
,
strings
2200
x890
255E
Furlo and Rublo and Game
games
,
implementation
,
math
2200
x831
1912E
Evaluate It and Back Again
constructive algorithms
,
implementation
,
math
2200
x774
366E
Dima and Magic Guitar
brute force
,
implementation
,
math
2200
x743
1773B
BinCoin
binary search
,
divide and conquer
,
hashing
,
implementation
,
probabilities
,
trees
2200
x731
730E
Award Ceremony
greedy
,
implementation
2200
x708
730D
Running Over The Bridges
greedy
,
implementation
,
math
2200
x680
382D
Ksenia and Pawns
dfs and similar
,
graphs
,
implementation
,
trees
2200
x650
1575K
Knitting Batik
implementation
,
math
2200
x621
71D
Solitaire
brute force
,
implementation
2200
x600
11C
How Many Squares?
implementation
2200
x588
883A
Automatic Door
implementation
2200
x573
404E
Maze 1D
binary search
,
greedy
,
implementation
2200
x562
253E
Printer
binary search
,
data structures
,
implementation
,
sortings
2200
x522
243C
Colorado Potato Beetle
dfs and similar
,
implementation
2200
x520
858E
Tests Renumeration
greedy
,
implementation
2200
x497
51D
Geometrical problem
implementation
2200
x417
36C
Bowls
geometry
,
implementation
2200
x323
182A
Battlefield
geometry
,
graphs
,
implementation
,
shortest paths
2200
x278
257E
Greedy Elevator
data structures
,
implementation
2200
x275
105C
Item World
brute force
,
implementation
,
sortings
2200
x270
316F1
Suns and Rays
dfs and similar
,
implementation
2200
x164
316F3
Suns and Rays
constructive algorithms
,
dfs and similar
,
implementation
2200
x163
98B
Help King
implementation
,
probabilities
,
trees
2200
x114
72B
INI-file
*special problem
,
implementation
2200
x75
915E
Physical Education Lessons
data structures
,
implementation
,
sortings
2300
x4011
1628C
Grid Xor
constructive algorithms
,
greedy
,
implementation
,
interactive
,
math
2300
x3081
1396C
Monster Invaders
dp
,
greedy
,
implementation
2300
x2389
1385F
Removing Leaves
data structures
,
greedy
,
implementation
,
trees
2300
x2250
1592D
Hemose in ICPC ?
binary search
,
dfs and similar
,
implementation
,
interactive
,
math
,
number theory
,
trees
2300
x2159
1834E
MEX of LCM
binary search
,
data structures
,
implementation
,
math
,
number theory
2300
x2064
1625D
Binary Spiders
bitmasks
,
data structures
,
implementation
,
math
,
sortings
,
trees
2300
x1968
1380E
Merging Towers
data structures
,
dsu
,
implementation
,
trees
2300
x1915
85D
Sum of Medians
binary search
,
brute force
,
data structures
,
implementation
2300
x1908
1607F
Robot on the Board 2
brute force
,
dfs and similar
,
graphs
,
implementation
2300
x1890
1550D
Excellent Arrays
binary search
,
combinatorics
,
constructive algorithms
,
implementation
,
math
,
sortings
,
two pointers
2300
x1781
1621E
New School
binary search
,
data structures
,
dp
,
greedy
,
implementation
,
sortings
2300
x1712
1917D
Yet Another Inversions Problem
combinatorics
,
data structures
,
dp
,
implementation
,
math
,
number theory
2300
x1658
1236D
Alice and the Doll
brute force
,
data structures
,
greedy
,
implementation
2300
x1646
1217E
Sum Queries?
data structures
,
greedy
,
implementation
,
math
2300
x1641
1610E
AmShZ and G.O.A.T.
binary search
,
brute force
,
greedy
,
implementation
,
math
2300
x1627
1861E
Non-Intersecting Subpermutations
combinatorics
,
dp
,
implementation
,
math
2300
x1619
1594E2
Rubik's Cube Coloring (hard version)
brute force
,
dp
,
implementation
,
math
,
trees
2300
x1447
723F
st-Spanning Tree
dsu
,
graphs
,
greedy
,
implementation
2300
x1440
1004D
Sonya and Matrix
brute force
,
constructive algorithms
,
implementation
2300
x1390
1244F
Chips
constructive algorithms
,
implementation
2300
x1363
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