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→ Filter Problems
Difficulty:
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games
combine-tags-by-or
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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
603C
Lieges of Legendre
games
,
math
2200
x1808
1190C
Tokitsukaze and Duel
brute force
,
games
,
greedy
2300
x1896
1600E
Array Game
games
,
greedy
,
two pointers
1900
x1934
1375F
Integer Game
constructive algorithms
,
games
,
interactive
,
math
2600
x1934
1628D2
Game on Sum (Hard Version)
combinatorics
,
dp
,
games
,
math
2400
x1986
896B
Ithea Plays With Chtholly
binary search
,
constructive algorithms
,
games
,
greedy
,
interactive
2000
x2053
533C
Board Game
games
,
greedy
,
implementation
,
math
1700
x2147
15C
Industrial Nim
games
2000
x2165
786A
Berzerk
dfs and similar
,
dp
,
games
2000
x2308
1864E
Guess Game
bitmasks
,
data structures
,
games
,
math
,
probabilities
,
sortings
,
strings
,
trees
2100
x2475
768E
Game of Stones
bitmasks
,
dp
,
games
2100
x2649
120E
Put Knight!
games
,
math
1400
x2650
293A
Weird Game
games
,
greedy
1500
x2817
1605D
Treelabeling
bitmasks
,
constructive algorithms
,
dfs and similar
,
games
,
greedy
,
implementation
,
trees
2100
x2844
1628D1
Game on Sum (Easy Version)
combinatorics
,
dp
,
games
,
math
2100
x3026
936B
Sleepy Game
dfs and similar
,
dp
,
games
,
graphs
2100
x3031
794C
Naming Company
games
,
greedy
,
sortings
1800
x3039
388C
Fox and Card Game
games
,
greedy
,
sortings
2000
x3095
1147C
Thanos Nim
games
2000
x3157
917B
MADMAX
dfs and similar
,
dp
,
games
,
graphs
1700
x3492
1770D
Koxia and Game
constructive algorithms
,
data structures
,
dfs and similar
,
dsu
,
flows
,
games
,
graph matchings
,
graphs
,
implementation
2000
x3681
1333D
Challenges in school №41
brute force
,
constructive algorithms
,
games
,
graphs
,
greedy
,
implementation
,
sortings
2100
x3691
1665D
GCD Guess
bitmasks
,
chinese remainder theorem
,
constructive algorithms
,
games
,
interactive
,
math
,
number theory
2000
x3722
980C
Posterized
games
,
greedy
1700
x3725
1383B
GameGame
bitmasks
,
constructive algorithms
,
dp
,
games
,
greedy
,
math
1900
x4778
859C
Pie Rules
dp
,
games
1500
x5277
1372D
Omkar and Circle
brute force
,
dp
,
games
,
greedy
2100
x5299
1033C
Permutation Game
brute force
,
dp
,
games
1600
x5389
1737C
Ela and Crickets
constructive algorithms
,
games
,
implementation
,
math
1500
x5573
455B
A Lot of Games
dfs and similar
,
dp
,
games
,
implementation
,
strings
,
trees
1900
x5688
1495B
Let's Go Hiking
games
,
greedy
1900
x5849
1215D
Ticket Game
games
,
greedy
,
math
1700
x5976
1955F
Unfair Game
dp
,
games
,
greedy
,
math
,
schedules
1800
x6015
197A
Plate Game
constructive algorithms
,
games
,
math
1600
x6048
1190B
Tokitsukaze, CSL and Stone Game
games
1800
x6309
1194D
1-2-K Game
games
,
math
1700
x6352
1425A
Arena of Greed
games
,
greedy
1400
x6371
1772E
Permutation Game
games
1700
x6445
1873H
Mad City
dfs and similar
,
dsu
,
games
,
graphs
,
shortest paths
,
trees
1700
x6642
934A
A Compatible Pair
brute force
,
games
1400
x6710
148D
Bag of mice
dp
,
games
,
math
,
probabilities
1800
x6814
1503B
3-Coloring
constructive algorithms
,
games
,
interactive
1700
x6848
257B
Playing Cubes
games
,
greedy
,
implementation
1300
x6876
3C
Tic-tac-toe
brute force
,
games
,
implementation
1800
x6899
1728D
Letter Picking
constructive algorithms
,
dp
,
games
,
two pointers
1800
x6901
1404B
Tree Tag
dfs and similar
,
dp
,
games
,
trees
1900
x7099
1527B2
Palindrome Game (hard version)
constructive algorithms
,
games
1900
x7579
150A
Win or Freeze
games
,
math
,
number theory
1400
x7597
630R
Game
games
,
math
1200
x8324
346A
Alice and Bob
games
,
math
,
number theory
1600
x8474
914B
Conan and Agasa play a Card Game
games
,
greedy
,
implementation
1200
x8510
1739C
Card Game
combinatorics
,
constructive algorithms
,
dp
,
games
1500
x8736
1921E
Eat the Chip
brute force
,
games
,
greedy
,
math
1600
x8974
705B
Spider Man
games
,
math
1100
x9051
1451D
Circle Game
games
,
geometry
,
math
1700
x9275
493D
Vasya and Chess
constructive algorithms
,
games
,
math
1700
x9533
1220C
Substring Game in the Lesson
games
,
greedy
,
strings
1300
x9906
1740C
Bricks and Bags
constructive algorithms
,
games
,
greedy
,
sortings
1400
x10601
1867C
Salyg1n and the MEX Game
constructive algorithms
,
data structures
,
games
,
greedy
,
interactive
1300
x10614
1738C
Even Number Addicts
dp
,
games
,
greedy
,
math
1500
x10615
1965A
Everything Nim
games
,
greedy
,
math
,
sortings
1400
x10641
1396B
Stoned Game
brute force
,
constructive algorithms
,
games
,
greedy
1800
x10909
755B
PolandBall and Game
binary search
,
data structures
,
games
,
greedy
,
sortings
,
strings
1100
x10950
1914E1
Game with Marbles (Easy Version)
brute force
,
games
,
greedy
,
sortings
1400
x11228
616B
Dinner with Emma
games
,
greedy
1000
x11322
1914E2
Game with Marbles (Hard Version)
games
,
greedy
,
sortings
1400
x11332
1155B
Game with Telephone Numbers
games
,
greedy
,
implementation
1200
x11738
1537D
Deleting Divisors
games
,
math
,
number theory
1700
x11900
1968D
Permutation Game
brute force
,
dfs and similar
,
games
,
graphs
,
greedy
,
math
1300
x11974
841B
Godsend
games
,
math
1100
x12004
1860C
Game on Permutation
data structures
,
dp
,
games
,
greedy
1400
x12508
1834C
Game with Reversing
games
,
greedy
,
math
,
strings
1200
x12689
1102C
Doors Breaking and Repairing
games
1200
x12806
1929C
Sasha and the Casino
binary search
,
brute force
,
constructive algorithms
,
games
,
greedy
,
math
1400
x13395
1749C
Number Game
binary search
,
data structures
,
games
,
greedy
,
implementation
1400
x13445
1931E
Anna and the Valentine's Day Gift
games
,
greedy
,
math
,
sortings
1400
x13513
1966A
Card Exchange
constructive algorithms
,
games
,
greedy
800
x14983
1943A
MEX Game 1
games
,
greedy
1300
x15545
570B
Simple Game
constructive algorithms
,
games
,
greedy
,
implementation
,
math
1300
x15790
1672A
Log Chopping
games
,
implementation
,
math
800
x15858
1874A
Jellyfish and Game
brute force
,
games
,
greedy
,
implementation
1200
x15893
1695A
Subrectangle Guess
games
800
x16124
1848A
Vika and Her Friends
games
,
math
900
x16273
1627B
Not Sitting
games
,
greedy
,
sortings
1300
x16301
1270A
Card Game
games
,
greedy
,
math
800
x16706
1972B
Coin Games
games
900
x16776
1916C
Training Before the Olympiad
constructive algorithms
,
games
,
greedy
,
implementation
,
math
1200
x16781
546C
Soldier and Cards
brute force
,
dfs and similar
,
games
1400
x17098
1363C
Game On Leaves
games
,
trees
1600
x17891
1695B
Circle Game
games
,
greedy
1000
x18054
1673A
Subtle Substring Subtraction
games
,
greedy
,
strings
800
x18238
1956B
Nene and the Card Game
games
,
greedy
800
x19121
1455C
Ping-pong
constructive algorithms
,
games
,
math
1100
x19257
1419A
Digit Game
games
,
greedy
,
implementation
900
x19281
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x19287
1920B
Summation Game
games
,
greedy
,
math
,
sortings
1100
x19396
1842A
Tenzing and Tsondu
games
,
math
800
x19495
832A
Sasha and Sticks
games
,
math
800
x20394
1747C
Swap Game
games
1200
x20431
1681A
Game with Cards
games
,
greedy
800
x20762
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