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Codeforces Round 945 (Div. 2)
43:23:51
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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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Status
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Custom test
Problems
#
Name
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x198924
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x78097
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x71038
1399A
Remove Smallest
greedy
,
sortings
800
x62900
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56768
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55679
1760A
Medium Number
implementation
,
sortings
800
x54046
1850A
To My Critics
implementation
,
sortings
800
x51314
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47624
1360B
Honest Coach
greedy
,
sortings
800
x46162
1676B
Equal Candies
greedy
,
math
,
sortings
800
x45305
1742B
Increasing
greedy
,
implementation
,
sortings
800
x44627
1850B
Ten Words of Wisdom
implementation
,
sortings
800
x40520
1669B
Triple
implementation
,
sortings
800
x40025
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35524
1760C
Advantage
data structures
,
implementation
,
sortings
800
x35137
1843A
Sasha and Array Coloring
greedy
,
sortings
,
two pointers
800
x33025
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32881
1692B
All Distinct
greedy
,
sortings
800
x32865
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x31600
1971A
My First Sorting Problem
implementation
,
sortings
800
x30849
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x28952
1220A
Cards
implementation
,
sortings
,
strings
800
x28864
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28558
1626A
Equidistant Letters
constructive algorithms
,
sortings
800
x28343
1851B
Parity Sort
greedy
,
sortings
,
two pointers
800
x28126
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27482
1783A
Make it Beautiful
constructive algorithms
,
math
,
sortings
800
x27365
1792A
GamingForces
greedy
,
sortings
800
x27142
1487A
Arena
implementation
,
sortings
800
x26196
1092B
Teams Forming
sortings
800
x25689
1705A
Mark the Photographer
greedy
,
sortings
800
x24825
1041A
Heist
greedy
,
implementation
,
sortings
800
x24532
1728A
Colored Balls: Revisited
brute force
,
greedy
,
implementation
,
sortings
800
x24370
1903A
Halloumi Boxes
brute force
,
greedy
,
sortings
800
x24353
1822B
Karina and Array
greedy
,
math
,
sortings
800
x24101
1398B
Substring Removal Game
games
,
greedy
,
sortings
800
x24088
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x23894
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23873
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x23594
1552A
Subsequence Permutation
sortings
,
strings
800
x23521
1206A
Choose Two Numbers
math
,
sortings
800
x23516
1730A
Planets
data structures
,
greedy
,
sortings
800
x22537
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22445
1637A
Sorting Parts
brute force
,
sortings
800
x22085
1847A
The Man who became a God
greedy
,
sortings
800
x21689
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21630
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20874
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20770
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20768
1733A
Consecutive Sum
greedy
,
sortings
800
x20671
1836A
Destroyer
implementation
,
sortings
800
x19800
1895B
Points and Minimum Distance
greedy
,
math
,
sortings
800
x19659
1767B
Block Towers
data structures
,
greedy
,
sortings
800
x19581
1798A
Showstopper
greedy
,
implementation
,
sortings
800
x19346
1656A
Good Pairs
math
,
sortings
800
x19255
1867A
green_gold_dog, array and permutation
constructive algorithms
,
sortings
800
x19230
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19148
984A
Game
sortings
800
x18933
1896A
Jagged Swaps
sortings
800
x18849
1445A
Array Rearrangment
greedy
,
sortings
800
x18826
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18416
1891A
Sorting with Twos
constructive algorithms
,
sortings
800
x18387
1688B
Patchouli's Magical Talisman
bitmasks
,
constructive algorithms
,
greedy
,
sortings
800
x17863
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x17499
1930A
Maximise The Score
greedy
,
sortings
800
x17189
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x16825
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x16455
1689A
Lex String
brute force
,
greedy
,
implementation
,
sortings
,
two pointers
800
x16386
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x16095
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x16031
1670A
Prof. Slim
greedy
,
implementation
,
sortings
800
x15239
937A
Olympiad
implementation
,
sortings
800
x14842
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x13787
1740B
Jumbo Extra Cheese 2
geometry
,
greedy
,
sortings
800
x13547
1738A
Glory Addicts
greedy
,
implementation
,
sortings
800
x13344
992A
Nastya and an Array
implementation
,
sortings
800
x12906
169A
Chores
sortings
800
x6569
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x5986
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5572
648B
Собери стол
constructive algorithms
,
sortings
800
x1233
160A
Twins
greedy
,
sortings
900
x111161
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94733
34B
Sale
greedy
,
sortings
900
x48813
149A
Business trip
greedy
,
implementation
,
sortings
900
x37860
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x32539
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x29638
768A
Oath of the Night's Watch
constructive algorithms
,
sortings
900
x26210
1697B
Promo
greedy
,
sortings
900
x25554
1833B
Restore the Weather
greedy
,
sortings
900
x25430
1420A
Cubes Sorting
math
,
sortings
900
x22852
1918B
Minimize Inversions
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
900
x22169
1771A
Hossam and Combinatorics
combinatorics
,
math
,
sortings
900
x22071
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x20053
807A
Is it rated?
implementation
,
sortings
900
x19549
1665B
Array Cloning Technique
constructive algorithms
,
greedy
,
sortings
900
x18776
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x18477
1216B
Shooting
greedy
,
implementation
,
sortings
900
x18079
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x16935
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16925
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