Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 946 (Div. 3)
3 days
Register now »
→ Filter Problems
Difficulty:
—
games
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
Add tag
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
896B
Ithea Plays With Chtholly
binary search
,
constructive algorithms
,
games
,
greedy
,
interactive
2000
x2052
15C
Industrial Nim
games
2000
x2164
786A
Berzerk
dfs and similar
,
dp
,
games
2000
x2307
388C
Fox and Card Game
games
,
greedy
,
sortings
2000
x3092
1147C
Thanos Nim
games
2000
x3157
1770D
Koxia and Game
constructive algorithms
,
data structures
,
dfs and similar
,
dsu
,
flows
,
games
,
graph matchings
,
graphs
,
implementation
2000
x3678
1665D
GCD Guess
bitmasks
,
chinese remainder theorem
,
constructive algorithms
,
games
,
interactive
,
math
,
number theory
2000
x3713
1970C3
Game on Tree (Hard)
dfs and similar
,
dp
,
games
,
trees
1900
x738
69D
Dot
dp
,
games
1900
x934
135C
Zero-One
constructive algorithms
,
games
,
greedy
1900
x1322
717D
Dexterina’s Lab
games
,
matrices
,
probabilities
1900
x1374
279E
Beautiful Decomposition
dp
,
games
,
greedy
,
number theory
1900
x1410
55C
Pie or die
games
1900
x1584
1600E
Array Game
games
,
greedy
,
two pointers
1900
x1930
1383B
GameGame
bitmasks
,
constructive algorithms
,
dp
,
games
,
greedy
,
math
1900
x4770
455B
A Lot of Games
dfs and similar
,
dp
,
games
,
implementation
,
strings
,
trees
1900
x5684
1495B
Let's Go Hiking
games
,
greedy
1900
x5847
1404B
Tree Tag
dfs and similar
,
dp
,
games
,
trees
1900
x7094
1527B2
Palindrome Game (hard version)
constructive algorithms
,
games
1900
x7565
794C
Naming Company
games
,
greedy
,
sortings
1800
x3038
1955F
Unfair Game
dp
,
games
,
greedy
,
math
,
schedules
1800
x5950
1190B
Tokitsukaze, CSL and Stone Game
games
1800
x6296
148D
Bag of mice
dp
,
games
,
math
,
probabilities
1800
x6803
3C
Tic-tac-toe
brute force
,
games
,
implementation
1800
x6882
1728D
Letter Picking
constructive algorithms
,
dp
,
games
,
two pointers
1800
x6890
1396B
Stoned Game
brute force
,
constructive algorithms
,
games
,
greedy
1800
x10893
1970C2
Game on Tree (Medium)
dfs and similar
,
dp
,
games
,
trees
1700
x1162
533C
Board Game
games
,
greedy
,
implementation
,
math
1700
x2147
917B
MADMAX
dfs and similar
,
dp
,
games
,
graphs
1700
x3489
980C
Posterized
games
,
greedy
1700
x3724
1215D
Ticket Game
games
,
greedy
,
math
1700
x5973
1194D
1-2-K Game
games
,
math
1700
x6340
1772E
Permutation Game
games
1700
x6415
1873H
Mad City
dfs and similar
,
dsu
,
games
,
graphs
,
shortest paths
,
trees
1700
x6622
1503B
3-Coloring
constructive algorithms
,
games
,
interactive
1700
x6847
1451D
Circle Game
games
,
geometry
,
math
1700
x9272
493D
Vasya and Chess
constructive algorithms
,
games
,
math
1700
x9528
1537D
Deleting Divisors
games
,
math
,
number theory
1700
x11889
1033C
Permutation Game
brute force
,
dp
,
games
1600
x5384
197A
Plate Game
constructive algorithms
,
games
,
math
1600
x6045
346A
Alice and Bob
games
,
math
,
number theory
1600
x8468
1921E
Eat the Chip
brute force
,
games
,
greedy
,
math
1600
x8948
1363C
Game On Leaves
games
,
trees
1600
x17875
74B
Train
dp
,
games
,
greedy
1500
x1492
293A
Weird Game
games
,
greedy
1500
x2814
859C
Pie Rules
dp
,
games
1500
x5273
1737C
Ela and Crickets
constructive algorithms
,
games
,
implementation
,
math
1500
x5567
1739C
Card Game
combinatorics
,
constructive algorithms
,
dp
,
games
1500
x8726
1738C
Even Number Addicts
dp
,
games
,
greedy
,
math
1500
x10594
1970C1
Game on Tree (Easy)
games
1400
x1498
120E
Put Knight!
games
,
math
1400
x2648
1425A
Arena of Greed
games
,
greedy
1400
x6363
934A
A Compatible Pair
brute force
,
games
1400
x6705
150A
Win or Freeze
games
,
math
,
number theory
1400
x7593
1965A
Everything Nim
games
,
greedy
,
math
,
sortings
1400
x10332
1740C
Bricks and Bags
constructive algorithms
,
games
,
greedy
,
sortings
1400
x10595
1914E1
Game with Marbles (Easy Version)
brute force
,
games
,
greedy
,
sortings
1400
x11187
1914E2
Game with Marbles (Hard Version)
games
,
greedy
,
sortings
1400
x11288
1860C
Game on Permutation
data structures
,
dp
,
games
,
greedy
1400
x12474
1929C
Sasha and the Casino
binary search
,
brute force
,
constructive algorithms
,
games
,
greedy
,
math
1400
x13331
1749C
Number Game
binary search
,
data structures
,
games
,
greedy
,
implementation
1400
x13412
1931E
Anna and the Valentine's Day Gift
games
,
greedy
,
math
,
sortings
1400
x13429
546C
Soldier and Cards
brute force
,
dfs and similar
,
games
1400
x17087
1370C
Number Game
games
,
math
,
number theory
1400
x23583
257B
Playing Cubes
games
,
greedy
,
implementation
1300
x6872
1220C
Substring Game in the Lesson
games
,
greedy
,
strings
1300
x9903
1867C
Salyg1n and the MEX Game
constructive algorithms
,
data structures
,
games
,
greedy
,
interactive
1300
x10601
1968D
Permutation Game
brute force
,
dfs and similar
,
games
,
graphs
,
greedy
,
math
1300
x11499
1943A
MEX Game 1
games
,
greedy
1300
x15449
570B
Simple Game
constructive algorithms
,
games
,
greedy
,
implementation
,
math
1300
x15783
1627B
Not Sitting
games
,
greedy
,
sortings
1300
x16295
276B
Little Girl and Game
games
,
greedy
1300
x27306
630R
Game
games
,
math
1200
x8318
914B
Conan and Agasa play a Card Game
games
,
greedy
,
implementation
1200
x8507
1155B
Game with Telephone Numbers
games
,
greedy
,
implementation
1200
x11734
1834C
Game with Reversing
games
,
greedy
,
math
,
strings
1200
x12671
1102C
Doors Breaking and Repairing
games
1200
x12796
1874A
Jellyfish and Game
brute force
,
games
,
greedy
,
implementation
1200
x15844
1916C
Training Before the Olympiad
constructive algorithms
,
games
,
greedy
,
implementation
,
math
1200
x16740
1747C
Swap Game
games
1200
x20396
1527B1
Palindrome Game (easy version)
constructive algorithms
,
games
1200
x24341
1472D
Even-Odd Game
dp
,
games
,
greedy
,
sortings
1200
x26116
705B
Spider Man
games
,
math
1100
x9051
755B
PolandBall and Game
binary search
,
data structures
,
games
,
greedy
,
sortings
,
strings
1100
x10942
841B
Godsend
games
,
math
1100
x11979
1455C
Ping-pong
constructive algorithms
,
games
,
math
1100
x19252
1920B
Summation Game
games
,
greedy
,
math
,
sortings
1100
x19352
1365A
Matrix Game
games
,
greedy
,
implementation
1100
x23589
1382B
Sequential Nim
dp
,
games
1100
x23918
616B
Dinner with Emma
games
,
greedy
1000
x11292
1695B
Circle Game
games
,
greedy
1000
x18043
1972B
Coin Games
games
900
x16019
1848A
Vika and Her Friends
games
,
math
900
x16250
1419A
Digit Game
games
,
greedy
,
implementation
900
x19271
1373B
01 Game
games
900
x32955
1966A
Card Exchange
constructive algorithms
,
games
,
greedy
800
x14624
1672A
Log Chopping
games
,
implementation
,
math
800
x15853
1695A
Subrectangle Guess
games
800
x16118
1270A
Card Game
games
,
greedy
,
math
800
x16701
1673A
Subtle Substring Subtraction
games
,
greedy
,
strings
800
x18232
←
1
2
3
→
User lists
Name