Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 941 (Div. 1)
2 days
Register now »
*has extra registration
Before contest
Codeforces Round 941 (Div. 2)
2 days
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
dfs and similar
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
1549B
Gregor and the Pawn Game
dfs and similar
,
dp
,
flows
,
graph matchings
,
graphs
,
greedy
,
implementation
800
x23722
1598A
Computer Game
brute force
,
dfs and similar
,
dp
,
implementation
800
x22701
910A
The Way to Home
dfs and similar
,
dp
,
greedy
,
implementation
800
x11348
115A
Party
dfs and similar
,
graphs
,
trees
900
x32713
1593B
Make it Divisible by 25
dfs and similar
,
dp
,
greedy
,
math
,
math
900
x25045
948A
Protect Sheep
brute force
,
dfs and similar
,
graphs
,
implementation
900
x13344
1057A
Bmail Computer Network
*special problem
,
dfs and similar
,
trees
900
x5742
500A
New Year Transportation
dfs and similar
,
graphs
,
implementation
1000
x50054
1829D
Gold Rush
brute force
,
dfs and similar
,
dp
,
implementation
1000
x24037
1020B
Badge
brute force
,
dfs and similar
,
graphs
1000
x20135
727A
Transformation: from A to B
brute force
,
dfs and similar
,
math
1000
x13171
1033A
King Escape
dfs and similar
,
graphs
,
implementation
1000
x12900
1324C
Frog Jumps
binary search
,
data structures
,
dfs and similar
,
greedy
,
implementation
1100
x26816
1829E
The Lakes
dfs and similar
,
dsu
,
graphs
,
implementation
1100
x18076
1623B
Game on Ranges
brute force
,
dfs and similar
,
implementation
,
sortings
1100
x13889
648C
Путь Робота
constructive algorithms
,
dfs and similar
,
graphs
1100
x830
489B
BerSU Ball
dfs and similar
,
dp
,
graph matchings
,
greedy
,
sortings
,
two pointers
1200
x46291
445A
DZY Loves Chessboard
dfs and similar
,
implementation
1200
x28108
1433D
Districts Connection
constructive algorithms
,
dfs and similar
1200
x21679
217A
Ice Skating
brute force
,
dfs and similar
,
dsu
,
graphs
1200
x20322
1490D
Permutation Transformation
dfs and similar
,
divide and conquer
,
implementation
1200
x18756
1311B
WeirdSort
dfs and similar
,
sortings
1200
x18461
1669G
Fall Down
dfs and similar
,
implementation
1200
x17242
1843D
Apple Tree
combinatorics
,
dfs and similar
,
dp
,
math
,
trees
1200
x16951
1941D
Rudolf and the Ball Game
dfs and similar
,
dp
,
implementation
1200
x16277
522A
Reposts
*special problem
,
dfs and similar
,
dp
,
graphs
,
trees
1200
x15689
129B
Students and Shoelaces
brute force
,
dfs and similar
,
graphs
,
implementation
1200
x11655
902B
Coloring a Tree
dfs and similar
,
dsu
,
greedy
1200
x10446
893C
Rumor
dfs and similar
,
graphs
,
greedy
1300
x21506
1661B
Getting Zero
bitmasks
,
brute force
,
dfs and similar
,
dp
,
graphs
,
greedy
,
shortest paths
1300
x16924
1249B2
Books Exchange (hard version)
dfs and similar
,
dsu
,
math
1300
x16219
1829F
Forever Winter
dfs and similar
,
graphs
,
math
1300
x16039
862B
Mahmoud and Ehab and the bipartiteness
dfs and similar
,
graphs
,
trees
1300
x15880
1741D
Masha and a Beautiful Tree
dfs and similar
,
divide and conquer
,
graphs
,
sortings
,
trees
1300
x14394
1676G
White-Black Balanced Subtrees
dfs and similar
,
dp
,
graphs
,
trees
1300
x14067
1948C
Arrow Path
brute force
,
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
shortest paths
1300
x13969
755C
PolandBall and Forest
dfs and similar
,
dsu
,
graphs
,
interactive
,
trees
1300
x11390
1182B
Plus from Picture
dfs and similar
,
implementation
,
strings
1300
x10825
1900C
Anji's Binary Tree
dfs and similar
,
dp
,
trees
1300
x10336
429A
Xor-tree
dfs and similar
,
trees
1300
x9967
1152B
Neko Performs Cat Furrier Transform
bitmasks
,
constructive algorithms
,
dfs and similar
,
math
1300
x8799
932B
Recursive Queries
binary search
,
data structures
,
dfs and similar
1300
x7777
27B
Tournament
bitmasks
,
brute force
,
dfs and similar
,
greedy
1300
x5124
653B
Bear and Compressing
brute force
,
dfs and similar
,
dp
,
strings
1300
x4867
57A
Square Earth?
dfs and similar
,
greedy
,
implementation
1300
x2810
520B
Two Buttons
dfs and similar
,
graphs
,
greedy
,
implementation
,
math
,
shortest paths
1400
x47712
277A
Learning Languages
dfs and similar
,
dsu
1400
x18057
977D
Divide by three, multiply by two
dfs and similar
,
math
,
sortings
1400
x17534
546C
Soldier and Cards
brute force
,
dfs and similar
,
games
1400
x17030
1167C
News Distribution
dfs and similar
,
dsu
,
graphs
1400
x16833
1627C
Not Assigning
constructive algorithms
,
dfs and similar
,
number theory
,
trees
1400
x14002
1517C
Fillomino 2
constructive algorithms
,
dfs and similar
,
greedy
,
implementation
1400
x13040
1830A
Copil Copac Draws Trees
dfs and similar
,
dp
,
graphs
,
trees
1400
x12339
445B
DZY Loves Chemistry
dfs and similar
,
dsu
,
greedy
1400
x12063
505B
Mr. Kitayuta's Colorful Graph
dfs and similar
,
dp
,
dsu
,
graphs
1400
x12062
1893A
Anonymous Informant
brute force
,
dfs and similar
,
graphs
,
implementation
1400
x11163
1143C
Queen
dfs and similar
,
trees
1400
x11140
1735C
Phase Shift
dfs and similar
,
dsu
,
graphs
,
greedy
,
implementation
,
strings
1400
x9538
1670C
Where is the Pizza?
data structures
,
dfs and similar
,
dsu
,
graphs
,
implementation
,
math
1400
x9475
1761C
Set Construction
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
1400
x9136
920C
Swap Adjacent Elements
dfs and similar
,
greedy
,
math
,
sortings
,
two pointers
1400
x8982
1130C
Connect
brute force
,
dfs and similar
,
dsu
1400
x8300
475B
Strongly Connected City
brute force
,
dfs and similar
,
graphs
,
implementation
1400
x8217
843A
Sorting by Subsequences
dfs and similar
,
dsu
,
implementation
,
math
,
sortings
1400
x5521
107A
Dorm Water Supply
dfs and similar
,
graphs
1400
x4912
526B
Om Nom and Dark Park
dfs and similar
,
greedy
,
implementation
1400
x4464
60B
Serial Time!
dfs and similar
,
dsu
1400
x4431
802J
Send the Fool Further! (easy)
dfs and similar
,
graphs
,
trees
1400
x4262
1600J
Robot Factory
bitmasks
,
dfs and similar
1400
x3767
580C
Kefa and Park
dfs and similar
,
graphs
,
trees
1500
x39587
977E
Cyclic Components
dfs and similar
,
dsu
,
graphs
1500
x19127
1352F
Binary String Reconstruction
constructive algorithms
,
dfs and similar
,
math
1500
x16163
839C
Journey
dfs and similar
,
dp
,
graphs
,
probabilities
,
trees
1500
x15843
1332C
K-Complete Word
dfs and similar
,
dsu
,
greedy
,
implementation
,
strings
1500
x15565
771A
Bear and Friendship Condition
dfs and similar
,
dsu
,
graphs
1500
x14584
1106D
Lunar New Year and a Wander
data structures
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
1500
x13874
687A
NP-Hard Problem
dfs and similar
,
graphs
1500
x13723
1487C
Minimum Ties
brute force
,
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
,
implementation
,
math
1500
x13661
510B
Fox And Two Dots
dfs and similar
1500
x13368
1263D
Secret Passwords
dfs and similar
,
dsu
,
graphs
1500
x13202
1325C
Ehab and Path-etic MEXs
constructive algorithms
,
dfs and similar
,
greedy
,
trees
1500
x12855
1800E2
Unforgivable Curse (hard version)
brute force
,
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
greedy
,
strings
1500
x11975
1139C
Edgy Trees
dfs and similar
,
dsu
,
graphs
,
math
,
trees
1500
x11938
441C
Valera and Tubes
constructive algorithms
,
dfs and similar
,
implementation
1500
x10822
982C
Cut 'em all!
dfs and similar
,
dp
,
graphs
,
greedy
,
trees
1500
x10750
1851E
Nastya and Potions
dfs and similar
,
dp
,
graphs
,
sortings
1500
x9353
103B
Cthulhu
dfs and similar
,
dsu
,
graphs
1500
x8504
744A
Hongcow Builds A Nation
dfs and similar
,
graphs
1500
x7845
574B
Bear and Three Musketeers
brute force
,
dfs and similar
,
graphs
,
hashing
1500
x7591
320B
Ping-Pong (Easy Version)
dfs and similar
,
graphs
1500
x7070
930A
Peculiar apple-tree
dfs and similar
,
graphs
,
trees
1500
x6734
35C
Fire Again
brute force
,
dfs and similar
,
shortest paths
1500
x6228
300B
Coach
brute force
,
dfs and similar
,
graphs
1500
x6080
329B
Biridian Forest
dfs and similar
,
shortest paths
1500
x6059
884C
Bertown Subway
dfs and similar
,
greedy
,
math
1500
x4610
17B
Hierarchy
dfs and similar
,
dsu
,
greedy
,
shortest paths
1500
x4456
690C2
Brain Network (medium)
dfs and similar
,
graphs
,
trees
1500
x3570
128A
Statues
dfs and similar
1500
x3111
190C
STL
dfs and similar
1500
x2709
770C
Online Courses In BSU
*special problem
,
dfs and similar
,
graphs
,
implementation
1500
x2523
←
1
2
3
...
8
9
→
User lists
Name