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Codeforces Round 941 (Div. 1)
3 days
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Codeforces Round 941 (Div. 2)
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combine-tags-by-or
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2-sat
binary search
bitmasks
brute force
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combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
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implementation
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Problems
#
Name
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x197266
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x77575
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x70328
1399A
Remove Smallest
greedy
,
sortings
800
x62453
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56443
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55228
1760A
Medium Number
implementation
,
sortings
800
x53156
1850A
To My Critics
implementation
,
sortings
800
x50576
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47395
1360B
Honest Coach
greedy
,
sortings
800
x45894
1676B
Equal Candies
greedy
,
math
,
sortings
800
x44848
1742B
Increasing
greedy
,
implementation
,
sortings
800
x44049
1850B
Ten Words of Wisdom
implementation
,
sortings
800
x40076
1669B
Triple
implementation
,
sortings
800
x39565
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x34982
1760C
Advantage
data structures
,
implementation
,
sortings
800
x34798
1843A
Sasha and Array Coloring
greedy
,
sortings
,
two pointers
800
x32831
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32796
1692B
All Distinct
greedy
,
sortings
800
x32633
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x31476
1220A
Cards
implementation
,
sortings
,
strings
800
x28772
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x28636
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28516
1626A
Equidistant Letters
constructive algorithms
,
sortings
800
x28294
1851B
Parity Sort
greedy
,
sortings
,
two pointers
800
x27935
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27429
1792A
GamingForces
greedy
,
sortings
800
x27084
1783A
Make it Beautiful
constructive algorithms
,
math
,
sortings
800
x27067
1487A
Arena
implementation
,
sortings
800
x26131
1092B
Teams Forming
sortings
800
x25581
1705A
Mark the Photographer
greedy
,
sortings
800
x24784
1041A
Heist
greedy
,
implementation
,
sortings
800
x24435
1728A
Colored Balls: Revisited
brute force
,
greedy
,
implementation
,
sortings
800
x24319
1398B
Substring Removal Game
games
,
greedy
,
sortings
800
x24040
1822B
Karina and Array
greedy
,
math
,
sortings
800
x24012
1526A
Mean Inequality
constructive algorithms
,
sortings
800
x23830
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x23830
1903A
Halloumi Boxes
brute force
,
greedy
,
sortings
800
x23536
1552A
Subsequence Permutation
sortings
,
strings
800
x23489
1206A
Choose Two Numbers
math
,
sortings
800
x23419
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x22978
1730A
Planets
data structures
,
greedy
,
sortings
800
x22473
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22394
1637A
Sorting Parts
brute force
,
sortings
800
x22055
1847A
The Man who became a God
greedy
,
sortings
800
x21616
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21551
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20837
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20724
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20694
1733A
Consecutive Sum
greedy
,
sortings
800
x20638
1836A
Destroyer
implementation
,
sortings
800
x19741
1895B
Points and Minimum Distance
greedy
,
math
,
sortings
800
x19573
1767B
Block Towers
data structures
,
greedy
,
sortings
800
x19547
1798A
Showstopper
greedy
,
implementation
,
sortings
800
x19307
1656A
Good Pairs
math
,
sortings
800
x19220
1867A
green_gold_dog, array and permutation
constructive algorithms
,
sortings
800
x19134
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19101
984A
Game
sortings
800
x18870
1445A
Array Rearrangment
greedy
,
sortings
800
x18795
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18399
1891A
Sorting with Twos
constructive algorithms
,
sortings
800
x18296
1896A
Jagged Swaps
sortings
800
x18276
1688B
Patchouli's Magical Talisman
bitmasks
,
constructive algorithms
,
greedy
,
sortings
800
x17834
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x17470
1930A
Maximise The Score
greedy
,
sortings
800
x16947
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x16766
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x16437
1689A
Lex String
brute force
,
greedy
,
implementation
,
sortings
,
two pointers
800
x16361
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x16078
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x15986
1670A
Prof. Slim
greedy
,
implementation
,
sortings
800
x15222
937A
Olympiad
implementation
,
sortings
800
x14811
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x13752
1740B
Jumbo Extra Cheese 2
geometry
,
greedy
,
sortings
800
x13522
1738A
Glory Addicts
greedy
,
implementation
,
sortings
800
x13319
992A
Nastya and an Array
implementation
,
sortings
800
x12884
169A
Chores
sortings
800
x6543
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x5976
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5564
648B
Собери стол
constructive algorithms
,
sortings
800
x1197
160A
Twins
greedy
,
sortings
900
x110381
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x93943
34B
Sale
greedy
,
sortings
900
x48368
149A
Business trip
greedy
,
implementation
,
sortings
900
x37574
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x31989
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x29509
768A
Oath of the Night's Watch
constructive algorithms
,
sortings
900
x26043
1697B
Promo
greedy
,
sortings
900
x25375
1833B
Restore the Weather
greedy
,
sortings
900
x25287
1420A
Cubes Sorting
math
,
sortings
900
x22815
1771A
Hossam and Combinatorics
combinatorics
,
math
,
sortings
900
x21973
1918B
Minimize Inversions
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
900
x21917
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x20005
807A
Is it rated?
implementation
,
sortings
900
x19374
1665B
Array Cloning Technique
constructive algorithms
,
greedy
,
sortings
900
x18608
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x18422
1216B
Shooting
greedy
,
implementation
,
sortings
900
x18019
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x16908
1427A
Avoiding Zero
math
,
sortings
900
x16817
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16737
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