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Contest is running
Kotlin Heroes: Practice 10
17:36:10
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Before contest
Kotlin Heroes: Episode 10
18:36:10
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greedy
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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Custom test
Problems
#
Name
1859B
Olya and Game with Arrays
constructive algorithms
,
greedy
,
math
,
sortings
1000
x24339
1358B
Maria Breaks the Self-isolation
greedy
,
sortings
1000
x24659
1927C
Choose the Different Ones!
brute force
,
greedy
,
math
1000
x25579
1550B
Maximum Cost Deletion
greedy
,
math
1000
x25737
1373A
Donut Shops
greedy
,
implementation
,
math
1000
x25808
1469B
Red and Blue
dp
,
greedy
1000
x26060
1931C
Make Equal Again
brute force
,
greedy
,
math
1000
x26070
1474B
Different Divisors
binary search
,
constructive algorithms
,
greedy
,
math
,
number theory
1000
x26372
1941B
Rudolf and 121
brute force
,
dp
,
greedy
,
math
1000
x26433
1469A
Regular Bracket Sequence
constructive algorithms
,
greedy
1000
x26530
1791D
Distinct Split
brute force
,
greedy
,
strings
1000
x26977
1359B
New Theatre Square
brute force
,
dp
,
greedy
,
implementation
,
two pointers
1000
x27075
1359A
Berland Poker
brute force
,
greedy
,
math
1000
x28765
766B
Mahmoud and a Triangle
constructive algorithms
,
geometry
,
greedy
,
math
,
number theory
,
sortings
1000
x31158
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x35044
1342A
Road To Zero
greedy
,
math
1000
x38384
1374C
Move Brackets
greedy
,
strings
1000
x43465
230A
Dragons
greedy
,
sortings
1000
x74447
58A
Chat room
greedy
,
strings
1000
x122399
412A
Poster
greedy
,
implementation
900
x4305
412B
Network Configuration
greedy
,
sortings
900
x5269
1666D
Deletive Editing
greedy
900
x6890
1468N
Waste Sorting
greedy
,
implementation
900
x7891
263B
Squares
greedy
,
implementation
,
sortings
900
x8718
246A
Buggy Sorting
constructive algorithms
,
greedy
,
sortings
900
x9053
1737A
Ela Sorting Books
greedy
,
implementation
,
strings
900
x9952
801B
Valued Keys
constructive algorithms
,
greedy
,
strings
900
x10016
814A
An abandoned sentiment from past
constructive algorithms
,
greedy
,
implementation
,
sortings
900
x10253
1150B
Tiling Challenge
greedy
,
implementation
900
x10788
369A
Valera and Plates
greedy
,
implementation
900
x10799
1107A
Digits Sequence Dividing
greedy
,
strings
900
x11887
1011A
Stages
greedy
,
implementation
,
sortings
900
x11937
991B
Getting an A
greedy
,
sortings
900
x12320
1132B
Discounts
greedy
,
sortings
900
x12737
1163A
Eating Soup
greedy
,
math
900
x12748
892A
Greed
greedy
,
implementation
900
x13207
1896B
AB Flipping
greedy
,
strings
,
two pointers
900
x13382
1197A
DIY Wooden Ladder
greedy
,
math
,
sortings
900
x13383
1166A
Silent Classroom
combinatorics
,
greedy
900
x13970
1321A
Contest for Robots
greedy
900
x14007
1732B
Ugu
brute force
,
dp
,
greedy
,
implementation
900
x14017
1106C
Lunar New Year and Number Division
greedy
,
implementation
,
math
,
sortings
900
x14285
903A
Hungry Student Problem
greedy
,
implementation
900
x14383
1016A
Death Note
greedy
,
implementation
,
math
900
x14675
1585B
Array Eversion
greedy
900
x14804
1445B
Elimination
greedy
,
math
900
x15053
1313A
Fast Food Restaurant
brute force
,
greedy
,
implementation
900
x15191
1584C
Two Arrays
greedy
,
math
,
sortings
900
x15968
1093B
Letters Rearranging
constructive algorithms
,
greedy
,
sortings
,
strings
900
x16174
1668B
Social Distance
greedy
,
math
,
sortings
900
x16330
1951A
Dual Trigger
constructive algorithms
,
greedy
,
math
900
x16419
670A
Holidays
brute force
,
constructive algorithms
,
greedy
,
math
900
x16419
1248B
Grow The Tree
greedy
,
math
,
sortings
900
x16469
1777B
Emordnilap
combinatorics
,
greedy
,
math
900
x16590
1642B
Power Walking
greedy
900
x16605
1609A
Divide and Multiply
greedy
,
implementation
,
math
,
number theory
900
x16678
1144B
Parity Alternated Deletions
greedy
,
implementation
,
sortings
900
x16768
1612B
Special Permutation
constructive algorithms
,
greedy
900
x16882
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16902
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x16929
1113A
Sasha and His Trip
dp
,
greedy
,
math
900
x16986
1806B
Mex Master
constructive algorithms
,
greedy
900
x17031
1689B
Mystic Permutation
data structures
,
greedy
900
x17109
1204B
Mislove Has Lost an Array
greedy
,
math
900
x17170
1138A
Sushi for Two
binary search
,
greedy
,
implementation
900
x17402
1440B
Sum of Medians
greedy
,
math
900
x17404
1735B
Tea with Tangerines
greedy
,
math
900
x17721
1216B
Shooting
greedy
,
implementation
,
sortings
900
x18076
1775A2
Gardener and the Capybaras (hard version)
constructive algorithms
,
greedy
900
x18273
1665B
Array Cloning Technique
constructive algorithms
,
greedy
,
sortings
900
x18749
1451B
Non-Substring Subsequence
dp
,
greedy
,
implementation
,
strings
900
x19006
1291A
Even But Not Even
greedy
,
math
,
strings
900
x19051
1419A
Digit Game
games
,
greedy
,
implementation
900
x19266
1696B
NIT Destroys the Universe
greedy
900
x19355
1794B
Not Dividing
constructive algorithms
,
greedy
,
math
900
x19511
1726A
Mainak and Array
greedy
,
math
900
x19887
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x20046
1496A
Split it!
brute force
,
constructive algorithms
,
greedy
,
strings
900
x20274
1954A
Painting the Ribbon
constructive algorithms
,
greedy
,
math
900
x20308
1749B
Death's Blessing
greedy
900
x20361
1406A
Subset Mex
greedy
,
implementation
,
math
900
x20955
1879B
Chips on the Board
constructive algorithms
,
greedy
900
x21172
1795B
Ideal Point
brute force
,
geometry
,
greedy
900
x21172
1875A
Jellyfish and Undertale
brute force
,
greedy
900
x21821
1679A
AvtoBus
brute force
,
greedy
,
math
,
number theory
900
x21905
1559B
Mocha and Red and Blue
dp
,
greedy
900
x22000
1768B
Quick Sort
greedy
,
math
900
x22038
1918B
Minimize Inversions
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
900
x22123
1705B
Mark the Dust Sweeper
constructive algorithms
,
greedy
,
implementation
900
x22214
1295A
Display The Number
greedy
900
x22333
588A
Duff and Meat
greedy
900
x22368
1543B
Customising the Track
combinatorics
,
greedy
,
math
900
x22670
1855B
Longest Divisors Interval
brute force
,
combinatorics
,
greedy
,
math
,
number theory
900
x23817
1467A
Wizard of Orz
constructive algorithms
,
greedy
,
math
900
x23864
1525B
Permutation Sort
constructive algorithms
,
greedy
900
x24190
1471A
Strange Partition
greedy
,
math
,
number theory
900
x24547
1675B
Make It Increasing
greedy
,
implementation
900
x24731
1486A
Shifting Stacks
greedy
,
implementation
900
x24847
439A
Devu, the Singer and Churu, the Joker
greedy
,
implementation
900
x24871
1593B
Make it Divisible by 25
dfs and similar
,
dp
,
greedy
,
math
,
math
900
x25221
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