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combine-tags-by-or
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2-sat
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bitmasks
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combinatorics
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dfs and similar
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Problems
#
Name
1197A
DIY Wooden Ladder
greedy
,
math
,
sortings
900
x13382
1106C
Lunar New Year and Number Division
greedy
,
implementation
,
math
,
sortings
900
x14285
1025A
Doggo Recoloring
implementation
,
sortings
900
x14561
1823B
Sort with Step
brute force
,
math
,
sortings
900
x15325
1584C
Two Arrays
greedy
,
math
,
sortings
900
x15965
1093B
Letters Rearranging
constructive algorithms
,
greedy
,
sortings
,
strings
900
x16174
572A
Arrays
sortings
900
x16286
1668B
Social Distance
greedy
,
math
,
sortings
900
x16328
1248B
Grow The Tree
greedy
,
math
,
sortings
900
x16469
1144B
Parity Alternated Deletions
greedy
,
implementation
,
sortings
900
x16768
1427A
Avoiding Zero
math
,
sortings
900
x16833
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16899
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x16928
1216B
Shooting
greedy
,
implementation
,
sortings
900
x18075
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x18461
1665B
Array Cloning Technique
constructive algorithms
,
greedy
,
sortings
900
x18740
807A
Is it rated?
implementation
,
sortings
900
x19524
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x20045
1771A
Hossam and Combinatorics
combinatorics
,
math
,
sortings
900
x22054
1918B
Minimize Inversions
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
900
x22109
1420A
Cubes Sorting
math
,
sortings
900
x22840
1833B
Restore the Weather
greedy
,
sortings
900
x25401
1697B
Promo
greedy
,
sortings
900
x25530
768A
Oath of the Night's Watch
constructive algorithms
,
sortings
900
x26173
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x29619
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x32440
149A
Business trip
greedy
,
implementation
,
sortings
900
x37764
34B
Sale
greedy
,
sortings
900
x48742
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94612
160A
Twins
greedy
,
sortings
900
x111028
648B
Собери стол
constructive algorithms
,
sortings
800
x1227
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5571
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x5985
169A
Chores
sortings
800
x6564
992A
Nastya and an Array
implementation
,
sortings
800
x12900
1738A
Glory Addicts
greedy
,
implementation
,
sortings
800
x13341
1740B
Jumbo Extra Cheese 2
geometry
,
greedy
,
sortings
800
x13546
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x13783
937A
Olympiad
implementation
,
sortings
800
x14840
1670A
Prof. Slim
greedy
,
implementation
,
sortings
800
x15237
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x16021
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x16091
1689A
Lex String
brute force
,
greedy
,
implementation
,
sortings
,
two pointers
800
x16381
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x16449
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x16819
1930A
Maximise The Score
greedy
,
sortings
800
x17147
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x17494
1688B
Patchouli's Magical Talisman
bitmasks
,
constructive algorithms
,
greedy
,
sortings
800
x17855
1891A
Sorting with Twos
constructive algorithms
,
sortings
800
x18362
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18413
1896A
Jagged Swaps
sortings
800
x18731
1445A
Array Rearrangment
greedy
,
sortings
800
x18811
984A
Game
sortings
800
x18924
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19142
1867A
green_gold_dog, array and permutation
constructive algorithms
,
sortings
800
x19205
1656A
Good Pairs
math
,
sortings
800
x19243
1798A
Showstopper
greedy
,
implementation
,
sortings
800
x19334
1767B
Block Towers
data structures
,
greedy
,
sortings
800
x19576
1895B
Points and Minimum Distance
greedy
,
math
,
sortings
800
x19637
1836A
Destroyer
implementation
,
sortings
800
x19793
1733A
Consecutive Sum
greedy
,
sortings
800
x20661
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20758
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20761
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20869
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21611
1847A
The Man who became a God
greedy
,
sortings
800
x21675
1637A
Sorting Parts
brute force
,
sortings
800
x22077
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22437
1730A
Planets
data structures
,
greedy
,
sortings
800
x22529
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x23493
1206A
Choose Two Numbers
math
,
sortings
800
x23502
1552A
Subsequence Permutation
sortings
,
strings
800
x23516
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23867
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x23876
1398B
Substring Removal Game
games
,
greedy
,
sortings
800
x24077
1822B
Karina and Array
greedy
,
math
,
sortings
800
x24084
1903A
Halloumi Boxes
brute force
,
greedy
,
sortings
800
x24173
1728A
Colored Balls: Revisited
brute force
,
greedy
,
implementation
,
sortings
800
x24366
1041A
Heist
greedy
,
implementation
,
sortings
800
x24527
1705A
Mark the Photographer
greedy
,
sortings
800
x24817
1092B
Teams Forming
sortings
800
x25654
1487A
Arena
implementation
,
sortings
800
x26184
1792A
GamingForces
greedy
,
sortings
800
x27132
1783A
Make it Beautiful
constructive algorithms
,
math
,
sortings
800
x27287
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27468
1851B
Parity Sort
greedy
,
sortings
,
two pointers
800
x28083
1626A
Equidistant Letters
constructive algorithms
,
sortings
800
x28334
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28552
1220A
Cards
implementation
,
sortings
,
strings
800
x28844
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x28880
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x31568
1692B
All Distinct
greedy
,
sortings
800
x32832
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32869
1843A
Sasha and Array Coloring
greedy
,
sortings
,
two pointers
800
x32988
1760C
Advantage
data structures
,
implementation
,
sortings
800
x35089
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35438
1669B
Triple
implementation
,
sortings
800
x39966
1850B
Ten Words of Wisdom
implementation
,
sortings
800
x40466
1742B
Increasing
greedy
,
implementation
,
sortings
800
x44544
1676B
Equal Candies
greedy
,
math
,
sortings
800
x45246
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