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Codeforces Round 943 (Div. 3)
23:47:19
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Difficulty:
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sortings
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
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x197782
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x77734
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x70558
1399A
Remove Smallest
greedy
,
sortings
800
x62602
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56545
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55387
1760A
Medium Number
implementation
,
sortings
800
x53378
1850A
To My Critics
implementation
,
sortings
800
x50815
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47468
1360B
Honest Coach
greedy
,
sortings
800
x45991
1676B
Equal Candies
greedy
,
math
,
sortings
800
x44972
1742B
Increasing
greedy
,
implementation
,
sortings
800
x44199
1850B
Ten Words of Wisdom
implementation
,
sortings
800
x40197
1669B
Triple
implementation
,
sortings
800
x39731
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35163
1760C
Advantage
data structures
,
implementation
,
sortings
800
x34880
1843A
Sasha and Array Coloring
greedy
,
sortings
,
two pointers
800
x32899
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32816
1692B
All Distinct
greedy
,
sortings
800
x32674
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x31504
1220A
Cards
implementation
,
sortings
,
strings
800
x28804
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x28732
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28533
1626A
Equidistant Letters
constructive algorithms
,
sortings
800
x28318
1851B
Parity Sort
greedy
,
sortings
,
two pointers
800
x28000
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27444
1783A
Make it Beautiful
constructive algorithms
,
math
,
sortings
800
x27151
1792A
GamingForces
greedy
,
sortings
800
x27102
1487A
Arena
implementation
,
sortings
800
x26152
1092B
Teams Forming
sortings
800
x25612
1705A
Mark the Photographer
greedy
,
sortings
800
x24794
1041A
Heist
greedy
,
implementation
,
sortings
800
x24460
1728A
Colored Balls: Revisited
brute force
,
greedy
,
implementation
,
sortings
800
x24340
1398B
Substring Removal Game
games
,
greedy
,
sortings
800
x24052
1822B
Karina and Array
greedy
,
math
,
sortings
800
x24036
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x23853
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23849
1903A
Halloumi Boxes
brute force
,
greedy
,
sortings
800
x23768
1552A
Subsequence Permutation
sortings
,
strings
800
x23502
1206A
Choose Two Numbers
math
,
sortings
800
x23444
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x23218
1730A
Planets
data structures
,
greedy
,
sortings
800
x22496
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22409
1637A
Sorting Parts
brute force
,
sortings
800
x22060
1847A
The Man who became a God
greedy
,
sortings
800
x21643
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21570
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20853
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20746
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20712
1733A
Consecutive Sum
greedy
,
sortings
800
x20650
1836A
Destroyer
implementation
,
sortings
800
x19760
1895B
Points and Minimum Distance
greedy
,
math
,
sortings
800
x19608
1767B
Block Towers
data structures
,
greedy
,
sortings
800
x19558
1798A
Showstopper
greedy
,
implementation
,
sortings
800
x19317
1656A
Good Pairs
math
,
sortings
800
x19231
1867A
green_gold_dog, array and permutation
constructive algorithms
,
sortings
800
x19165
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19111
984A
Game
sortings
800
x18884
1445A
Array Rearrangment
greedy
,
sortings
800
x18800
1896A
Jagged Swaps
sortings
800
x18447
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18407
1891A
Sorting with Twos
constructive algorithms
,
sortings
800
x18324
1688B
Patchouli's Magical Talisman
bitmasks
,
constructive algorithms
,
greedy
,
sortings
800
x17841
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x17476
1930A
Maximise The Score
greedy
,
sortings
800
x17043
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x16789
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x16443
1689A
Lex String
brute force
,
greedy
,
implementation
,
sortings
,
two pointers
800
x16370
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x16083
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x15998
1670A
Prof. Slim
greedy
,
implementation
,
sortings
800
x15230
937A
Olympiad
implementation
,
sortings
800
x14821
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x13777
1740B
Jumbo Extra Cheese 2
geometry
,
greedy
,
sortings
800
x13532
1738A
Glory Addicts
greedy
,
implementation
,
sortings
800
x13321
992A
Nastya and an Array
implementation
,
sortings
800
x12890
169A
Chores
sortings
800
x6550
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x5981
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5566
648B
Собери стол
constructive algorithms
,
sortings
800
x1206
160A
Twins
greedy
,
sortings
900
x110613
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94207
34B
Sale
greedy
,
sortings
900
x48507
149A
Business trip
greedy
,
implementation
,
sortings
900
x37655
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x32124
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x29543
768A
Oath of the Night's Watch
constructive algorithms
,
sortings
900
x26098
1697B
Promo
greedy
,
sortings
900
x25432
1833B
Restore the Weather
greedy
,
sortings
900
x25326
1420A
Cubes Sorting
math
,
sortings
900
x22823
1771A
Hossam and Combinatorics
combinatorics
,
math
,
sortings
900
x22006
1918B
Minimize Inversions
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
900
x21983
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x20017
807A
Is it rated?
implementation
,
sortings
900
x19416
1665B
Array Cloning Technique
constructive algorithms
,
greedy
,
sortings
900
x18662
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x18432
1216B
Shooting
greedy
,
implementation
,
sortings
900
x18043
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x16915
1427A
Avoiding Zero
math
,
sortings
900
x16819
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16806
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