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CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
31:17:52
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constructive algorithms
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
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strings
ternary search
trees
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Problems
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Name
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x125060
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x85894
443A
Anton and Letters
constructive algorithms
,
implementation
800
x82610
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x66083
1343B
Balanced Array
constructive algorithms
,
math
800
x53077
1454A
Special Permutation
constructive algorithms
,
probabilities
800
x38706
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x38664
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x37877
1325A
EhAb AnD gCd
constructive algorithms
,
greedy
,
number theory
800
x37649
1337A
Ichihime and Triangle
constructive algorithms
,
math
800
x35600
686A
Free Ice Cream
constructive algorithms
,
implementation
800
x34985
1702A
Round Down the Price
constructive algorithms
800
x33076
1690A
Print a Pedestal (Codeforces logo?)
constructive algorithms
,
greedy
800
x32266
1372A
Omkar and Completion
constructive algorithms
,
implementation
800
x31275
1611A
Make Even
constructive algorithms
,
math
800
x30317
1878B
Aleksa and Stack
constructive algorithms
,
math
800
x29361
1529A
Eshag Loves Big Arrays
constructive algorithms
,
greedy
,
math
800
x29261
1541A
Pretty Permutations
constructive algorithms
,
greedy
,
implementation
800
x28849
1859A
United We Stand
constructive algorithms
,
math
,
number theory
800
x28347
1851A
Escalator Conversations
brute force
,
constructive algorithms
,
math
800
x28291
1837A
Grasshopper on a Line
constructive algorithms
,
math
800
x28232
1626A
Equidistant Letters
constructive algorithms
,
sortings
800
x28184
1611B
Team Composition: Programmers and Mathematicians
binary search
,
constructive algorithms
,
math
800
x28181
1918A
Brick Wall
constructive algorithms
,
greedy
,
implementation
,
math
800
x28143
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x27955
1914B
Preparing for the Contest
constructive algorithms
,
math
800
x27952
1862B
Sequence Game
constructive algorithms
800
x27660
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x26996
1925A
We Got Everything Covered!
constructive algorithms
,
greedy
,
strings
800
x26626
1783A
Make it Beautiful
constructive algorithms
,
math
,
sortings
800
x26520
1400A
String Similarity
constructive algorithms
,
strings
800
x26449
1509A
Average Height
constructive algorithms
800
x25565
1674A
Number Transformation
constructive algorithms
,
math
800
x25458
1922A
Tricky Template
constructive algorithms
,
implementation
,
strings
800
x25437
1711A
Perfect Permutation
constructive algorithms
800
x24702
1741B
Funny Permutation
constructive algorithms
,
math
800
x24596
1747A
Two Groups
constructive algorithms
,
greedy
800
x24233
1935A
Entertainment in MAC
constructive algorithms
,
strings
800
x24184
1758A
SSeeeeiinngg DDoouubbllee
constructive algorithms
,
strings
800
x24174
1916A
2023
constructive algorithms
,
implementation
,
math
,
number theory
800
x24170
1886A
Sum of Three
brute force
,
constructive algorithms
,
math
800
x24147
1841A
Game with Board
constructive algorithms
,
games
800
x24041
1391A
Suborrays
constructive algorithms
,
math
800
x23949
1845A
Forbidden Integer
constructive algorithms
,
implementation
,
math
,
number theory
800
x23811
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23771
1917A
Least Product
constructive algorithms
,
math
800
x23730
1627A
Not Shading
constructive algorithms
,
implementation
800
x23722
1844A
Subtraction Game
constructive algorithms
,
games
800
x23618
1699A
The Third Three Number Problem
constructive algorithms
,
math
800
x23558
1621A
Stable Arrangement of Rooks
constructive algorithms
800
x23488
1831A
Twin Permutations
constructive algorithms
800
x23448
1684A
Digit Minimization
constructive algorithms
,
games
,
math
,
strings
800
x23374
1948A
Special Characters
brute force
,
constructive algorithms
800
x23189
1929B
Sasha and the Drawing
constructive algorithms
,
greedy
,
math
800
x23102
1715A
Crossmarket
constructive algorithms
,
greedy
,
math
800
x23094
1614A
Divan and a Store
brute force
,
constructive algorithms
,
greedy
800
x22978
1861A
Prime Deletion
constructive algorithms
,
math
800
x22852
1665A
GCD vs LCM
constructive algorithms
,
math
800
x22844
1779A
Hall of Fame
constructive algorithms
,
greedy
,
strings
800
x22838
1828A
Divisible Array
constructive algorithms
,
math
800
x22749
1700A
Optimal Path
constructive algorithms
,
greedy
,
math
800
x22477
1706A
Another String Minimization Problem
2-sat
,
constructive algorithms
,
greedy
,
string suffix structures
,
strings
800
x22476
1774A
Add Plus Minus Sign
constructive algorithms
,
math
800
x21870
1743B
Permutation Value
constructive algorithms
,
greedy
800
x21790
1905A
Constructive Problems
constructive algorithms
,
math
800
x21375
1504A
Déjà Vu
constructive algorithms
,
strings
800
x21319
1405A
Permutation Forgery
constructive algorithms
800
x21198
1574A
Regular Bracket Sequences
constructive algorithms
800
x21191
1712B
Woeful Permutation
constructive algorithms
,
greedy
,
number theory
800
x21158
1638A
Reverse
constructive algorithms
,
greedy
,
math
800
x21145
1716B
Permutation Chain
constructive algorithms
,
math
800
x21124
1620A
Equal or Not Equal
constructive algorithms
,
dsu
,
implementation
800
x21095
1780A
Hayato and School
constructive algorithms
,
greedy
800
x20994
1499A
Domino on Windowsill
combinatorics
,
constructive algorithms
,
math
800
x20974
1838A
Blackboard List
constructive algorithms
,
math
800
x20930
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20770
1698B
Rising Sand
constructive algorithms
,
greedy
,
implementation
800
x20587
1684B
Z mod X = C
constructive algorithms
,
math
800
x20515
1644B
Anti-Fibonacci Permutation
brute force
,
constructive algorithms
,
implementation
800
x20376
1900A
Cover in Water
constructive algorithms
,
greedy
,
implementation
,
strings
800
x20289
1658A
Marin and Photoshoot
constructive algorithms
,
implementation
,
math
800
x20076
1890A
Doremy's Paint 3
constructive algorithms
800
x20067
1536A
Omkar and Bad Story
brute force
,
constructive algorithms
800
x19992
1515A
Phoenix and Gold
constructive algorithms
,
greedy
,
math
800
x19942
513A
Game
constructive algorithms
,
math
800
x19869
1728B
Best Permutation
constructive algorithms
,
greedy
800
x19844
1735A
Working Week
constructive algorithms
,
greedy
,
math
800
x19780
1864A
Increasing and Decreasing
constructive algorithms
,
greedy
,
implementation
,
math
800
x19635
1740A
Factorise N+M
constructive algorithms
,
number theory
800
x19428
1902A
Binary Imbalance
constructive algorithms
800
x19382
1651B
Prove Him Wrong
constructive algorithms
,
greedy
800
x19302
1746A
Maxmina
constructive algorithms
,
greedy
800
x19281
1775A1
Gardener and the Capybaras (easy version)
brute force
,
constructive algorithms
,
implementation
800
x19239
1513A
Array and Peaks
constructive algorithms
,
implementation
800
x19138
1438A
Specific Tastes of Andre
constructive algorithms
,
implementation
800
x19061
1493A
Anti-knapsack
constructive algorithms
,
greedy
800
x19029
1867A
green_gold_dog, array and permutation
constructive algorithms
,
sortings
800
x19027
1566B
MIN-MEX Cut
bitmasks
,
constructive algorithms
,
dp
,
greedy
800
x18926
1608A
Find Array
constructive algorithms
,
math
800
x18628
1787A
Exponential Equation
constructive algorithms
,
math
800
x18618
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