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Codeforces Round 940 (Div. 2) and CodeCraft-23
3 days
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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
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number theory
probabilities
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
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Status
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Custom test
Problems
#
Name
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x196635
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x77401
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x70080
1399A
Remove Smallest
greedy
,
sortings
800
x62300
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56306
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55061
1760A
Medium Number
implementation
,
sortings
800
x52944
1850A
To My Critics
implementation
,
sortings
800
x50260
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47332
1360B
Honest Coach
greedy
,
sortings
800
x45813
1676B
Equal Candies
greedy
,
math
,
sortings
800
x44732
1742B
Increasing
greedy
,
implementation
,
sortings
800
x43836
1850B
Ten Words of Wisdom
implementation
,
sortings
800
x39911
1669B
Triple
implementation
,
sortings
800
x39429
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x34790
1760C
Advantage
data structures
,
implementation
,
sortings
800
x34717
1843A
Sasha and Array Coloring
greedy
,
sortings
,
two pointers
800
x32785
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32765
1692B
All Distinct
greedy
,
sortings
800
x32574
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x31440
1220A
Cards
implementation
,
sortings
,
strings
800
x28742
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x28512
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28472
1626A
Equidistant Letters
constructive algorithms
,
sortings
800
x28272
1851B
Parity Sort
greedy
,
sortings
,
two pointers
800
x27867
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27417
1792A
GamingForces
greedy
,
sortings
800
x27054
1783A
Make it Beautiful
constructive algorithms
,
math
,
sortings
800
x26967
1487A
Arena
implementation
,
sortings
800
x26119
1092B
Teams Forming
sortings
800
x25520
1705A
Mark the Photographer
greedy
,
sortings
800
x24767
1041A
Heist
greedy
,
implementation
,
sortings
800
x24405
1728A
Colored Balls: Revisited
brute force
,
greedy
,
implementation
,
sortings
800
x24309
1398B
Substring Removal Game
games
,
greedy
,
sortings
800
x24022
1822B
Karina and Array
greedy
,
math
,
sortings
800
x23967
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23810
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x23806
1552A
Subsequence Permutation
sortings
,
strings
800
x23477
1206A
Choose Two Numbers
math
,
sortings
800
x23412
1903A
Halloumi Boxes
brute force
,
greedy
,
sortings
800
x23269
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x22659
1730A
Planets
data structures
,
greedy
,
sortings
800
x22461
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22351
1637A
Sorting Parts
brute force
,
sortings
800
x22046
1847A
The Man who became a God
greedy
,
sortings
800
x21581
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21519
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20815
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20708
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20670
1733A
Consecutive Sum
greedy
,
sortings
800
x20614
1836A
Destroyer
implementation
,
sortings
800
x19720
1895B
Points and Minimum Distance
greedy
,
math
,
sortings
800
x19543
1767B
Block Towers
data structures
,
greedy
,
sortings
800
x19530
1798A
Showstopper
greedy
,
implementation
,
sortings
800
x19293
1656A
Good Pairs
math
,
sortings
800
x19212
1867A
green_gold_dog, array and permutation
constructive algorithms
,
sortings
800
x19115
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19093
984A
Game
sortings
800
x18859
1445A
Array Rearrangment
greedy
,
sortings
800
x18793
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18393
1891A
Sorting with Twos
constructive algorithms
,
sortings
800
x18260
1896A
Jagged Swaps
sortings
800
x18117
1688B
Patchouli's Magical Talisman
bitmasks
,
constructive algorithms
,
greedy
,
sortings
800
x17822
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x17467
1930A
Maximise The Score
greedy
,
sortings
800
x16846
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x16711
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x16433
1689A
Lex String
brute force
,
greedy
,
implementation
,
sortings
,
two pointers
800
x16348
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x16069
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x15977
1670A
Prof. Slim
greedy
,
implementation
,
sortings
800
x15211
937A
Olympiad
implementation
,
sortings
800
x14775
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x13718
1740B
Jumbo Extra Cheese 2
geometry
,
greedy
,
sortings
800
x13506
1738A
Glory Addicts
greedy
,
implementation
,
sortings
800
x13312
992A
Nastya and an Array
implementation
,
sortings
800
x12867
169A
Chores
sortings
800
x6533
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x5973
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5562
648B
Собери стол
constructive algorithms
,
sortings
800
x1189
160A
Twins
greedy
,
sortings
900
x110139
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x93670
34B
Sale
greedy
,
sortings
900
x48233
149A
Business trip
greedy
,
implementation
,
sortings
900
x37494
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x31772
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x29478
768A
Oath of the Night's Watch
constructive algorithms
,
sortings
900
x25998
1697B
Promo
greedy
,
sortings
900
x25324
1833B
Restore the Weather
greedy
,
sortings
900
x25254
1420A
Cubes Sorting
math
,
sortings
900
x22795
1771A
Hossam and Combinatorics
combinatorics
,
math
,
sortings
900
x21944
1918B
Minimize Inversions
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
900
x21839
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x19989
807A
Is it rated?
implementation
,
sortings
900
x19333
1665B
Array Cloning Technique
constructive algorithms
,
greedy
,
sortings
900
x18539
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x18401
1216B
Shooting
greedy
,
implementation
,
sortings
900
x17991
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x16894
1427A
Avoiding Zero
math
,
sortings
900
x16804
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16686
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