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CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
31:27:35
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Difficulty:
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binary search
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
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x70163
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x69736
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x68693
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x57182
1352C
K-th Not Divisible by n
binary search
,
math
1200
x48773
279B
Books
binary search
,
brute force
,
implementation
,
two pointers
1400
x46801
474B
Worms
binary search
,
implementation
1200
x43848
1915C
Can I Square?
binary search
,
implementation
800
x36105
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x34490
466C
Number of Ways
binary search
,
brute force
,
data structures
,
dp
,
two pointers
1700
x34229
1335C
Two Teams Composing
binary search
,
greedy
,
implementation
,
sortings
1100
x32990
1490C
Sum of Cubes
binary search
,
brute force
,
brute force
,
math
1100
x30815
1354B
Ternary String
binary search
,
dp
,
implementation
,
two pointers
1200
x28806
1366A
Shovels and Swords
binary search
,
greedy
,
math
1100
x28711
1611B
Team Composition: Programmers and Mathematicians
binary search
,
constructive algorithms
,
math
800
x28181
1328B
K-th Beautiful String
binary search
,
brute force
,
combinatorics
,
implementation
,
math
1300
x27899
600B
Queries about less or equal elements
binary search
,
data structures
,
sortings
,
two pointers
1300
x26868
1324C
Frog Jumps
binary search
,
data structures
,
dfs and similar
,
greedy
,
implementation
1100
x26639
1538C
Number of Pairs
binary search
,
data structures
,
math
,
two pointers
1300
x26462
1324D
Pair of Topics
binary search
,
data structures
,
sortings
,
two pointers
1400
x26357
919B
Perfect Number
binary search
,
brute force
,
dp
,
implementation
,
number theory
1100
x26342
1474B
Different Divisors
binary search
,
constructive algorithms
,
greedy
,
math
,
number theory
1000
x25911
1345B
Card Constructions
binary search
,
brute force
,
dp
,
math
1100
x25329
580B
Kefa and Company
binary search
,
sortings
,
two pointers
1500
x24549
1463A
Dungeon
binary search
,
math
1100
x24290
1676E
Eating Queries
binary search
,
greedy
,
sortings
1100
x24170
978C
Letters
binary search
,
implementation
,
two pointers
1000
x23998
1593C
Save More Mice
binary search
,
greedy
,
greedy
1000
x23619
1744C
Traffic Light
binary search
,
implementation
,
two pointers
1000
x23473
1419D1
Sage's Birthday (easy version)
binary search
,
constructive algorithms
,
greedy
,
sortings
1000
x23359
371C
Hamburgers
binary search
,
brute force
1600
x23129
1566A
Median Maximization
binary search
,
greedy
,
math
800
x22559
1669F
Eating Candies
binary search
,
data structures
,
greedy
,
two pointers
1100
x22452
1613C
Poisoned Dagger
binary search
1200
x22204
1873E
Building an Aquarium
binary search
,
sortings
1100
x22065
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21360
1742E
Scuza
binary search
,
greedy
,
math
1200
x21178
1470A
Strange Birthday Party
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1300
x20934
1201C
Maximum Median
binary search
,
greedy
,
math
,
sortings
1400
x20865
1850E
Cardboard for Pictures
binary search
,
geometry
,
implementation
,
math
1100
x20203
1006C
Three Parts of the Array
binary search
,
data structures
,
two pointers
1200
x20001
1221C
Perfect Team
binary search
,
math
1200
x19991
1692E
Binary Deque
binary search
,
implementation
,
two pointers
1200
x19459
1476B
Inflation
binary search
,
brute force
,
greedy
,
math
1300
x19350
1862C
Flower City Fence
binary search
,
data structures
,
implementation
,
sortings
1100
x19327
1426C
Increase and Copy
binary search
,
constructive algorithms
,
math
1100
x18940
1809B
Points on Plane
binary search
,
greedy
,
math
1000
x18841
1195B
Sport Mafia
binary search
,
brute force
,
math
1000
x18815
1490E
Accidental Victory
binary search
,
data structures
,
greedy
1400
x18157
1538F
Interesting Function
binary search
,
dp
,
math
,
number theory
1500
x18091
676C
Vasya and String
binary search
,
dp
,
strings
,
two pointers
1500
x17871
1288A
Deadline
binary search
,
brute force
,
math
,
ternary search
1100
x17775
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
,
data structures
,
dp
,
greedy
,
sortings
1300
x17716
126B
Password
binary search
,
dp
,
hashing
,
string suffix structures
,
strings
1700
x17496
1927D
Find the Different Ones!
binary search
,
brute force
,
data structures
,
dp
,
dsu
,
greedy
,
two pointers
1300
x17423
1138A
Sushi for Two
binary search
,
greedy
,
implementation
900
x17225
1487D
Pythagorean Triples
binary search
,
brute force
,
math
,
number theory
1500
x16749
166A
Rank List
binary search
,
implementation
,
sortings
1100
x16438
251A
Points on Line
binary search
,
combinatorics
,
two pointers
1300
x16408
1574C
Slay the Dragon
binary search
,
greedy
,
sortings
,
ternary search
1300
x16356
1853B
Fibonaccharsis
binary search
,
brute force
,
math
1200
x16256
165B
Burning Midnight Oil
binary search
,
implementation
1500
x16186
816B
Karen and Coffee
binary search
,
data structures
,
implementation
1400
x16083
1624D
Palindromes Coloring
binary search
,
greedy
,
sortings
,
strings
1400
x16039
1535C
Unstable String
binary search
,
dp
,
greedy
,
implementation
,
strings
,
two pointers
1400
x15949
1498B
Box Fitting
binary search
,
bitmasks
,
data structures
,
greedy
1300
x15815
1860B
Fancy Coins
binary search
,
brute force
,
greedy
,
math
1200
x15743
202A
LLPS
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
strings
800
x15712
1862D
Ice Cream Balls
binary search
,
combinatorics
,
constructive algorithms
,
math
1300
x15696
670D1
Magic Powder - 1
binary search
,
brute force
,
implementation
1400
x15640
1671C
Dolce Vita
binary search
,
brute force
,
greedy
,
math
1200
x15605
1492C
Maximum width
binary search
,
data structures
,
dp
,
greedy
,
two pointers
1500
x15454
1612C
Chat Ban
binary search
,
math
1300
x15453
1701C
Schedule Management
binary search
,
greedy
,
implementation
,
two pointers
1400
x15437
1354C1
Simple Polygon Embedding
binary search
,
geometry
,
math
,
ternary search
1400
x15270
1490F
Equalize the Array
binary search
,
data structures
,
greedy
,
math
,
sortings
1500
x15252
1628A
Meximum Array
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
,
two pointers
1400
x15082
1486B
Eastern Exhibition
binary search
,
geometry
,
shortest paths
,
sortings
1500
x15047
1260B
Obtain Two Zeroes
binary search
,
math
1300
x14997
1551B2
Wonderful Coloring - 2
binary search
,
constructive algorithms
,
data structures
,
greedy
1400
x14919
1443C
The Delivery Dilemma
binary search
,
greedy
,
sortings
1400
x14869
1886B
Fear of the Dark
binary search
,
geometry
,
math
1200
x14852
637B
Chat Order
*special problem
,
binary search
,
constructive algorithms
,
data structures
,
sortings
1200
x14819
1293A
ConneR and the A.R.C. Markland-N
binary search
,
brute force
,
implementation
1100
x14802
1217A
Creating a Character
binary search
,
math
1300
x14589
1928B
Equalize
binary search
,
greedy
,
sortings
,
two pointers
1200
x14546
1419D2
Sage's Birthday (hard version)
binary search
,
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
1500
x14522
1452B
Toy Blocks
binary search
,
greedy
,
math
,
sortings
1400
x14357
1617C
Paprika and Permutation
binary search
,
greedy
,
math
,
sortings
1300
x14347
1690E
Price Maximization
binary search
,
greedy
,
math
,
two pointers
1500
x14292
1736C1
Good Subarrays (Easy Version)
binary search
,
data structures
,
schedules
,
two pointers
1300
x14290
1131C
Birthday
binary search
,
greedy
,
sortings
1200
x14288
96B
Lucky Numbers (easy)
binary search
,
bitmasks
,
brute force
1300
x14231
1530C
Pursuit
binary search
,
brute force
,
greedy
,
sortings
1200
x14177
743B
Chloe and the sequence
binary search
,
bitmasks
,
constructive algorithms
,
implementation
1200
x14130
1697C
awoo's Favorite Problem
binary search
,
constructive algorithms
,
data structures
,
greedy
,
implementation
,
strings
,
two pointers
1400
x13839
1301B
Motarack's Birthday
binary search
,
greedy
,
ternary search
1500
x13751
1763B
Incinerate
binary search
,
brute force
,
data structures
,
implementation
,
math
,
sortings
1200
x13728
1183C
Computer Game
binary search
,
math
1400
x13568
1873F
Money Trees
binary search
,
greedy
,
math
,
two pointers
1300
x13442
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