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8 days
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combine-tags-by-or
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2-sat
binary search
bitmasks
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dfs and similar
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dp
dsu
expression parsing
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Custom test
Problems
#
Name
1855A
Dalton the Teacher
greedy
,
math
800
x27186
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x27268
1421A
XORwice
bitmasks
,
greedy
,
math
800
x27273
1234A
Equalize Prices Again
math
800
x27280
1783A
Make it Beautiful
constructive algorithms
,
math
,
sortings
800
x27292
1285A
Mezo Playing Zoma
math
800
x27304
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27469
1660B
Vlad and Candies
math
800
x27527
1788A
One and Two
brute force
,
implementation
,
math
800
x27605
1550A
Find The Array
greedy
,
math
800
x27661
1853A
Desorting
brute force
,
greedy
,
math
800
x28020
1768A
Greatest Convex
greedy
,
math
,
number theory
800
x28020
1843B
Long Long
greedy
,
math
,
two pointers
800
x28051
1519A
Red and Blue Beans
math
800
x28302
1611B
Team Composition: Programmers and Mathematicians
binary search
,
constructive algorithms
,
math
800
x28457
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x28536
1914B
Preparing for the Contest
constructive algorithms
,
math
800
x28558
1851A
Escalator Conversations
brute force
,
constructive algorithms
,
math
800
x28636
1918A
Brick Wall
constructive algorithms
,
greedy
,
implementation
,
math
800
x28751
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x28844
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x28887
1709A
Three Doors
brute force
,
greedy
,
implementation
,
math
800
x29035
1077A
Frog Jumping
math
800
x29070
1837A
Grasshopper on a Line
constructive algorithms
,
math
800
x29149
1859A
United We Stand
constructive algorithms
,
math
,
number theory
800
x29371
1529A
Eshag Loves Big Arrays
constructive algorithms
,
greedy
,
math
800
x29384
1622A
Construct a Rectangle
geometry
,
math
800
x29473
1519B
The Cake Is a Lie
dp
,
math
800
x29782
1878B
Aleksa and Stack
constructive algorithms
,
math
800
x29851
1691A
Beat The Odds
brute force
,
greedy
,
math
800
x29853
1547A
Shortest Path with Obstacle
implementation
,
math
800
x29900
1933B
Turtle Math: Fast Three Task
implementation
,
math
,
number theory
800
x29932
1811A
Insert Digit
greedy
,
math
,
strings
800
x30047
1619B
Squares and Cubes
implementation
,
math
800
x30071
1506A
Strange Table
math
800
x30119
1553A
Digits Sum
math
,
number theory
800
x30161
1490A
Dense Array
greedy
,
math
800
x30651
1611A
Make Even
constructive algorithms
,
math
800
x30667
1538B
Friends and Candies
greedy
,
math
800
x31034
1843C
Sum in Binary Tree
bitmasks
,
combinatorics
,
math
,
trees
800
x31112
1549A
Gregor and Cryptography
math
,
number theory
800
x31357
1846A
Rudolph and Cut the Rope
implementation
,
math
800
x31395
1716A
2-3 Moves
greedy
,
math
800
x31438
1675A
Food for Animals
greedy
,
math
800
x31550
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x31575
822A
I'm bored with life
implementation
,
math
,
number theory
800
x31711
1919A
Wallet Exchange
games
,
math
800
x31748
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32872
1669C
Odd/Even Increments
greedy
,
greedy
,
implementation
,
math
800
x32938
1858A
Buttons
games
,
greedy
,
math
800
x34345
1560B
Who's Opposite?
math
800
x34715
1660A
Vasya and Coins
greedy
,
math
800
x35076
1950C
Clock Conversion
implementation
,
math
800
x35078
1873C
Target Practice
implementation
,
math
800
x35404
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35443
1593A
Elections
math
800
x35550
1369A
FashionabLee
geometry
,
math
800
x35598
1790A
Polycarp and the Day of Pi
implementation
,
math
,
strings
800
x35648
1337A
Ichihime and Triangle
constructive algorithms
,
math
800
x36075
1537A
Arithmetic Array
greedy
,
math
800
x36085
1955A
Yogurt Sale
math
800
x36358
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x36860
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37311
1385A
Three Pairwise Maximums
math
800
x37594
1579A
Casimir's String Solitaire
math
,
strings
800
x37829
1899A
Game with Integers
games
,
math
,
number theory
800
x37996
1358A
Park Lighting
greedy
,
math
800
x38144
1348A
Phoenix and Balance
greedy
,
math
800
x38409
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x38415
1941A
Rudolf and the Ticket
brute force
,
math
800
x38902
1729A
Two Elevators
math
800
x38963
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x38990
1296A
Array with Odd Sum
math
800
x39533
1921A
Square
greedy
,
math
800
x39946
233A
Perfect Permutation
implementation
,
math
800
x40471
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x40709
1472A
Cards for Friends
greedy
,
math
800
x40865
1542A
Odd Set
math
800
x42344
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x42876
1857A
Array Coloring
greedy
,
math
800
x43618
959A
Mahmoud and Ehab and the even-odd game
games
,
math
800
x44192
1294A
Collecting Coins
math
800
x44318
1371A
Magical Sticks
math
800
x44350
1873B
Good Kid
brute force
,
greedy
,
math
800
x44452
1676B
Equal Candies
greedy
,
math
,
sortings
800
x45253
1426A
Floor Number
implementation
,
math
800
x45580
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x46583
1283A
Minutes Before the New Year
math
800
x46588
1472B
Fair Division
dp
,
greedy
,
math
800
x47555
1360A
Minimal Square
greedy
,
math
800
x48068
1551A
Polycarp and Coins
greedy
,
math
800
x48476
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x48837
1433A
Boring Apartments
implementation
,
math
800
x49362
1624A
Plus One on the Subset
math
800
x49835
1367B
Even Array
greedy
,
math
800
x50356
1374A
Required Remainder
math
800
x50669
9A
Die Roll
math
,
probabilities
800
x52630
1343B
Balanced Array
constructive algorithms
,
math
800
x53744
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x57060
758A
Holiday Of Equality
implementation
,
math
800
x57385
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