Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Contest is running
Kotlin Heroes: Practice 10
05:47:25
Register now »
Before contest
Kotlin Heroes: Episode 10
06:47:24
Register now »
→ Filter Problems
Difficulty:
—
data structures
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
385C
Bear and Prime Numbers
binary search
,
brute force
,
data structures
,
dp
,
implementation
,
math
,
number theory
1700
x9388
777B
Game of Credit Cards
data structures
,
dp
,
greedy
,
sortings
1300
x9340
1473D
Program
data structures
,
dp
,
implementation
,
strings
1700
x9319
1548B
Integers Have Friends
binary search
,
data structures
,
divide and conquer
,
math
,
number theory
,
two pointers
1800
x9309
1198B
Welfare State
binary search
,
brute force
,
data structures
,
sortings
1600
x9299
706D
Vasiliy's Multiset
binary search
,
bitmasks
,
data structures
,
trees
1800
x9291
567C
Geometric Progression
binary search
,
data structures
,
dp
1700
x9285
1140C
Playlist
brute force
,
data structures
,
sortings
1600
x9259
1041C
Coffee Break
binary search
,
data structures
,
greedy
,
two pointers
1600
x9258
1498C
Planar Reflections
brute force
,
data structures
,
dp
1600
x9186
1287B
Hyperset
brute force
,
data structures
,
implementation
1500
x9182
570C
Replacement
constructive algorithms
,
data structures
,
implementation
1600
x8973
1359D
Yet Another Yet Another Task
data structures
,
dp
,
implementation
,
two pointers
2000
x8955
704A
Thor
brute force
,
data structures
,
implementation
1600
x8940
1461D
Divide and Summarize
binary search
,
brute force
,
data structures
,
divide and conquer
,
implementation
,
sortings
1600
x8910
158C
Cd and pwd commands
*special problem
,
data structures
,
implementation
1400
x8880
722C
Destroying Array
data structures
,
dsu
1600
x8852
616D
Longest k-Good Segment
binary search
,
data structures
,
two pointers
1600
x8795
1714D
Color with Occurrences
brute force
,
data structures
,
dp
,
greedy
,
strings
1600
x8715
522B
Photo to Remember
*special problem
,
data structures
,
dp
,
implementation
1100
x8689
1619E
MEX and Increments
constructive algorithms
,
data structures
,
dp
,
greedy
,
implementation
,
math
,
sortings
1700
x8682
1430D
String Deletion
binary search
,
data structures
,
greedy
,
two pointers
1700
x8667
1523C
Compression and Expansion
brute force
,
data structures
,
greedy
,
implementation
,
trees
1600
x8591
1572A
Book
binary search
,
brute force
,
data structures
,
dp
,
graphs
,
implementation
,
sortings
1800
x8541
834B
The Festive Evening
data structures
,
implementation
1100
x8517
242E
XOR on Segment
bitmasks
,
data structures
2000
x8442
1598D
Training Session
combinatorics
,
data structures
,
geometry
,
implementation
,
math
1700
x8409
799B
T-shirt buying
data structures
,
implementation
1400
x8391
1061C
Multiplicity
data structures
,
dp
,
implementation
,
math
,
number theory
1700
x8369
855B
Marvolo Gaunt's Ring
brute force
,
data structures
,
dp
1500
x8366
1715C
Monoblock
combinatorics
,
data structures
,
implementation
,
math
1700
x8340
713A
Sonya and Queries
data structures
,
implementation
1400
x8331
1290A
Mind Control
brute force
,
data structures
,
implementation
1600
x8312
1732D1
Balance (Easy version)
brute force
,
data structures
,
implementation
,
number theory
1500
x8275
1354D
Multiset
binary search
,
data structures
1900
x8269
1883F
You Are So Beautiful
data structures
1400
x8234
547B
Mike and Feet
binary search
,
data structures
,
dp
,
dsu
1900
x8228
1351C
Skier
data structures
,
implementation
1400
x8223
982B
Bus of Characters
data structures
,
greedy
,
implementation
1300
x8177
52C
Circular RMQ
data structures
2200
x8177
1941E
Rudolf and k Bridges
binary search
,
data structures
,
dp
,
two pointers
1600
x8169
1157E
Minimum Array
binary search
,
data structures
,
greedy
1700
x8159
1677A
Tokitsukaze and Strange Inequality
brute force
,
data structures
,
dp
1600
x8117
1709D
Rorororobot
binary search
,
data structures
,
greedy
,
math
1700
x8081
978F
Mentors
binary search
,
data structures
,
implementation
1500
x8045
1497E1
Square-Free Division (easy version)
data structures
,
dp
,
greedy
,
math
,
number theory
,
two pointers
1700
x8040
1335E2
Three Blocks Palindrome (hard version)
brute force
,
data structures
,
dp
,
two pointers
1800
x7977
1702F
Equate Multisets
constructive algorithms
,
data structures
,
greedy
,
math
,
number theory
1700
x7947
845C
Two TVs
data structures
,
greedy
,
sortings
1500
x7897
438D
The Child and Sequence
data structures
,
math
2300
x7878
617E
XOR and Favorite Number
data structures
2200
x7837
332B
Maximum Absurdity
data structures
,
dp
,
implementation
1500
x7820
932B
Recursive Queries
binary search
,
data structures
,
dfs and similar
1300
x7795
1620E
Replace the Numbers
constructive algorithms
,
data structures
,
dsu
,
implementation
1900
x7779
1472E
Correct Placement
binary search
,
data structures
,
dp
,
sortings
,
two pointers
1700
x7725
1491C
Pekora and Trampoline
brute force
,
data structures
,
dp
,
greedy
,
implementation
1700
x7721
474F
Ant colony
data structures
,
math
,
number theory
2100
x7715
1740D
Knowledge Cards
constructive algorithms
,
data structures
1500
x7703
1566D2
Seating Arrangements (hard version)
data structures
,
greedy
,
implementation
,
sortings
,
two pointers
1600
x7700
342E
Xenia and Tree
data structures
,
divide and conquer
,
trees
2400
x7644
612C
Replace To Make Regular Bracket Sequence
data structures
,
expression parsing
,
math
1400
x7609
1278C
Berry Jam
data structures
,
dp
,
greedy
,
implementation
1700
x7605
1878D
Reverse Madness
data structures
,
greedy
1600
x7586
1840E
Character Blocking
data structures
,
hashing
,
implementation
1600
x7549
1779D
Boris and His Amazing Haircut
constructive algorithms
,
data structures
,
dp
,
dsu
,
greedy
,
sortings
1700
x7508
1535D
Playoff Tournament
data structures
,
dfs and similar
,
dp
,
implementation
,
trees
1800
x7490
1468C
Berpizza
data structures
,
implementation
1400
x7432
960B
Minimize the error
data structures
,
greedy
,
sortings
1500
x7391
1420D
Rescue Nibel!
combinatorics
,
data structures
,
sortings
1800
x7329
1845D
Rating System
binary search
,
brute force
,
data structures
,
dp
,
dsu
,
greedy
,
math
,
two pointers
1800
x7328
659E
New Reform
data structures
,
dfs and similar
,
dsu
,
graphs
,
greedy
1600
x7324
681C
Heap Operations
constructive algorithms
,
data structures
,
greedy
1600
x7289
1257D
Yet Another Monster Killing Problem
binary search
,
data structures
,
dp
,
greedy
,
sortings
,
two pointers
1700
x7205
923B
Producing Snow
binary search
,
data structures
1600
x7177
1185C2
Exam in BerSU (hard version)
brute force
,
data structures
,
greedy
,
math
1700
x7145
1714G
Path Prefixes
binary search
,
data structures
,
dfs and similar
,
trees
1700
x7134
1935C
Messenger in MAC
binary search
,
brute force
,
constructive algorithms
,
data structures
,
dp
,
greedy
,
sortings
1800
x7128
1163B2
Cat Party (Hard Edition)
data structures
,
implementation
1600
x7095
1692H
Gambling
data structures
,
dp
,
greedy
,
math
1700
x7064
340D
Bubble Sort Graph
binary search
,
data structures
,
dp
1500
x7009
1644D
Cross Coloring
data structures
,
implementation
,
math
1700
x6992
609E
Minimum spanning tree for each edge
data structures
,
dfs and similar
,
dsu
,
graphs
,
trees
2100
x6955
1163B1
Cat Party (Easy Edition)
data structures
,
implementation
1500
x6882
1583C
Omkar and Determination
data structures
,
dp
1700
x6808
572B
Order Book
data structures
,
greedy
,
implementation
,
sortings
1300
x6756
1479B1
Painting the Array I
constructive algorithms
,
data structures
,
dp
,
greedy
,
implementation
1900
x6751
191C
Fools and Roads
data structures
,
dfs and similar
,
trees
1900
x6739
1486D
Max Median
binary search
,
data structures
,
dp
2100
x6738
808D
Array Division
binary search
,
data structures
,
implementation
1900
x6738
1731D
Valiant's New Map
binary search
,
brute force
,
data structures
,
dp
,
two pointers
1700
x6727
1833F
Ira and Flamenco
combinatorics
,
constructive algorithms
,
data structures
,
implementation
,
math
,
sortings
,
two pointers
1700
x6710
1155D
Beautiful Array
brute force
,
data structures
,
divide and conquer
,
dp
,
greedy
1900
x6687
1106B
Lunar New Year and Food Ordering
data structures
,
implementation
1500
x6683
1462F
The Treasure of The Segments
binary search
,
data structures
,
greedy
1800
x6678
272C
Dima and Staircase
data structures
,
implementation
1500
x6676
493C
Vasya and Basketball
binary search
,
brute force
,
data structures
,
implementation
,
sortings
,
two pointers
1600
x6673
962D
Merge Equals
data structures
,
implementation
1600
x6668
527C
Glass Carving
binary search
,
data structures
,
implementation
1500
x6658
808B
Average Sleep Time
data structures
,
implementation
,
math
1300
x6650
821C
Okabe and Boxes
data structures
,
greedy
,
trees
1500
x6625
←
1
2
3
4
5
...
16
17
→
User lists
Name