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CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
38:53:24
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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
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Status
Standings
Custom test
Problems
#
Name
455A
Boredom
dp
1500
x53494
1791A
Codeforces Checking
implementation
,
strings
800
x53356
1343B
Balanced Array
constructive algorithms
,
math
800
x53077
703A
Mishka and Game
implementation
800
x52876
313A
Ilya and Bank Account
implementation
,
number theory
900
x52800
1760A
Medium Number
implementation
,
sortings
800
x52129
9A
Die Roll
math
,
probabilities
800
x51539
43A
Football
strings
1000
x51125
431A
Black Square
implementation
800
x50559
1374A
Required Remainder
math
800
x49973
500A
New Year Transportation
dfs and similar
,
graphs
,
implementation
1000
x49593
1367B
Even Array
greedy
,
math
800
x49568
1850A
To My Critics
implementation
,
sortings
800
x49246
1624A
Plus One on the Subset
math
800
x49142
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x49035
1352C
K-th Not Divisible by n
binary search
,
math
1200
x48763
1433A
Boring Apartments
implementation
,
math
800
x48615
80A
Panoramix's Prediction
brute force
800
x48570
363B
Fence
brute force
,
dp
1100
x48283
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x48091
34B
Sale
greedy
,
sortings
900
x47784
1551A
Polycarp and Coins
greedy
,
math
800
x47685
1619A
Square String?
implementation
,
strings
800
x47491
1360A
Minimal Square
greedy
,
math
800
x47482
1915A
Odd One Out
bitmasks
,
implementation
800
x47377
520B
Two Buttons
dfs and similar
,
graphs
,
greedy
,
implementation
,
math
,
shortest paths
1400
x47244
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47081
1873A
Short Sort
brute force
,
implementation
800
x47000
1472B
Fair Division
dp
,
greedy
,
math
800
x46814
279B
Books
binary search
,
brute force
,
implementation
,
two pointers
1400
x46800
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x45875
492A
Vanya and Cubes
implementation
800
x45875
1343A
Candies
brute force
,
math
900
x45856
489B
BerSU Ball
dfs and similar
,
dp
,
graph matchings
,
greedy
,
sortings
,
two pointers
1200
x45836
1722A
Spell Check
implementation
800
x45804
1475B
New Year's Number
brute force
,
dp
,
math
900
x45743
1283A
Minutes Before the New Year
math
800
x45726
1535A
Fair Playoff
brute force
,
implementation
800
x45603
1360B
Honest Coach
greedy
,
sortings
800
x45486
707A
Brain's Photos
implementation
800
x45468
1426A
Floor Number
implementation
,
math
800
x44920
1374B
Multiply by 2, divide by 6
math
900
x44910
456A
Laptops
sortings
1100
x44771
1829A
Love Story
implementation
,
strings
800
x44390
1703B
ICPC Balloons
data structures
,
implementation
800
x44365
514A
Chewbaсca and Number
greedy
,
implementation
1200
x44289
1676B
Equal Candies
greedy
,
math
,
sortings
800
x44233
489C
Given Length and Sum of Digits...
dp
,
greedy
,
implementation
1400
x44048
379A
New Year Candles
implementation
1000
x44027
1371A
Magical Sticks
math
800
x43866
460A
Vasya and Socks
brute force
,
implementation
,
math
900
x43855
474B
Worms
binary search
,
implementation
1200
x43847
1294A
Collecting Coins
math
800
x43719
1742B
Increasing
greedy
,
implementation
,
sortings
800
x43364
959A
Mahmoud and Ehab and the even-odd game
games
,
math
800
x43154
1772A
A+B?
implementation
800
x43072
270A
Fancy Fence
geometry
,
implementation
,
math
1100
x43005
1873B
Good Kid
brute force
,
greedy
,
math
800
x42879
1374C
Move Brackets
greedy
,
strings
1000
x42542
731A
Night at the Museum
implementation
,
strings
800
x42531
451B
Sort the Array
implementation
,
sortings
1300
x42496
1722B
Colourblindness
implementation
800
x42418
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x42344
584A
Olesya and Rodion
math
1000
x42296
1399B
Gifts Fixing
greedy
800
x42117
1857A
Array Coloring
greedy
,
math
800
x42090
474A
Keyboard
implementation
900
x42033
1542A
Odd Set
math
800
x41760
1520D
Same Differences
data structures
,
hashing
,
math
1200
x41663
1791B
Following Directions
geometry
,
implementation
800
x41140
935A
Fafa and his Company
brute force
,
implementation
800
x41036
313B
Ilya and Queries
dp
,
implementation
1100
x40956
1760B
Atilla's Favorite Problem
greedy
,
implementation
,
strings
800
x40911
702A
Maximum Increase
dp
,
greedy
,
implementation
800
x40777
476A
Dreamoon and Stairs
implementation
,
math
1000
x40588
1472A
Cards for Friends
greedy
,
math
800
x40479
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x40341
233A
Perfect Permutation
implementation
,
math
800
x39939
1850C
Word on the Paper
implementation
,
strings
800
x39832
1926A
Vlad and the Best of Five
implementation
800
x39564
327A
Flipping Game
brute force
,
dp
,
implementation
1200
x39547
1462A
Favorite Sequence
implementation
,
two pointers
800
x39438
1850B
Ten Words of Wisdom
implementation
,
sortings
800
x39388
1829B
Blank Space
implementation
800
x39275
742A
Arpa’s hard exam and Mehrdad’s naive cheat
implementation
,
math
,
number theory
1000
x39267
1791C
Prepend and Append
implementation
,
two pointers
800
x39228
580C
Kefa and Park
dfs and similar
,
graphs
,
trees
1500
x39142
368B
Sereja and Suffixes
data structures
,
dp
1100
x39075
1807B
Grab the Candies
greedy
800
x39066
1669B
Triple
implementation
,
sortings
800
x38976
1296A
Array with Odd Sum
math
800
x38942
1921A
Square
greedy
,
math
800
x38868
1454A
Special Permutation
constructive algorithms
,
probabilities
800
x38705
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x38663
1927A
Make it White
greedy
,
strings
800
x38502
1729A
Two Elevators
math
800
x38256
1348A
Phoenix and Balance
greedy
,
math
800
x38126
459B
Pashmak and Flowers
combinatorics
,
implementation
,
sortings
1300
x38041
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x37876
1342A
Road To Zero
greedy
,
math
1000
x37867
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