Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Please read
the new rule regarding the restriction on the use of AI tools
.
×
→ Pay attention
Before contest
Kotlin Heroes: Episode 11
9 days
Register now »
→ Filter Problems
Difficulty:
—
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
1137B
Camp Schedule
greedy
,
hashing
,
strings
1600
x6126
1137A
Skyscrapers
implementation
,
sortings
1600
x4464
1136E
Nastya Hasn't Written a Legend
binary search
,
data structures
2200
x1061
1136D
Nastya Is Buying Lunch
greedy
1800
x3806
1133F2
Spanning Tree with One Fixed Degree
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
greedy
1900
x3335
1133F1
Spanning Tree with Maximum Degree
graphs
1600
x7763
1133E
K Balanced Teams
dp
,
sortings
,
two pointers
1800
x5452
1132G
Greedy Subsequences
data structures
,
dp
,
trees
2400
x1013
1132F
Clear the String
dp
2000
x8137
1132E
Knapsack
dfs and similar
,
dp
,
greedy
2300
x1461
1132D
Stressful Training
binary search
,
greedy
2300
x1914
1132C
Painting the Fence
brute force
1700
x5424
1131G
Most Dangerous Shark
data structures
,
dp
,
two pointers
2700
x430
1131F
Asya And Kittens
constructive algorithms
,
dsu
1700
x6654
1131E
String Multiplication
dp
,
greedy
,
strings
2300
x1142
1131D
Gourmet choice
dfs and similar
,
dp
,
dsu
,
graphs
,
greedy
2000
x3249
1129E
Legendary Tree
binary search
,
interactive
,
trees
3100
x432
1129D
Isolation
data structures
,
dp
2900
x1053
1129C
Morse Code
binary search
,
data structures
,
dp
,
hashing
,
sortings
,
string suffix structures
,
strings
2400
x918
1129B
Wrong Answer
constructive algorithms
2000
x2197
1129A2
Toy Train
brute force
,
greedy
1800
x4094
1129A1
Toy Train (Simplified)
brute force
,
greedy
1700
x3816
1121C
System Testing
implementation
1600
x1992
1120F
Secret Letters
data structures
,
dp
,
greedy
3100
x256
1120E
The very same Munchhausen
brute force
2600
x122
1120D
Power Tree
dfs and similar
,
dp
,
dsu
,
graphs
,
greedy
,
trees
2500
x1355
1120C
Compress String
dp
,
strings
2100
x2097
1120B
Once in a casino
constructive algorithms
,
greedy
,
implementation
,
math
2700
x420
1120A
Diana and Liana
greedy
,
implementation
,
two pointers
1900
x1635
1119H
Triple
fft
,
math
3200
x559
1119G
Get Ready for the Battle
constructive algorithms
,
implementation
3100
x499
1119F
Niyaz and Small Degrees
data structures
,
dp
,
trees
3400
x718
1119E
Pavel and Triangles
brute force
,
dp
,
fft
,
greedy
,
ternary search
1900
x4988
1119D
Frets On Fire
binary search
,
sortings
1800
x4820
1118F2
Tree Cutting (Hard Version)
combinatorics
,
dfs and similar
,
dp
,
trees
2700
x534
1118F1
Tree Cutting (Easy Version)
dfs and similar
,
trees
1800
x5912
1118E
Yet Another Ball Problem
constructive algorithms
,
implementation
1700
x4134
1118D2
Coffee and Coursework (Hard Version)
binary search
,
greedy
1700
x6262
1118D1
Coffee and Coursework (Easy version)
brute force
,
greedy
1700
x5669
1118C
Palindromic Matrix
constructive algorithms
,
implementation
1700
x5764
1117G
Recursive Queries
data structures
2500
x680
1117F
Crisp String
bitmasks
,
dp
2500
x576
1117E
Decypher the String
bitmasks
,
chinese remainder theorem
,
constructive algorithms
,
interactive
,
math
2200
x1507
1117D
Magic Gems
dp
,
math
,
matrices
2100
x4217
1117C
Magic Ship
binary search
1900
x6967
1115U3
Block unitary
*special problem
1700
x197
1115U2
Chessboard unitary
*special problem
1600
x234
1115G3
Palindrome checker oracle
*special problem
1600
x231
1115G2
OR oracle
*special problem
1600
x312
1114F
Please, another Queries on Array?
bitmasks
,
data structures
,
divide and conquer
,
math
,
number theory
2400
x1942
1114E
Arithmetic Progression
binary search
,
interactive
,
number theory
,
probabilities
2200
x2826
1114D
Flood Fill
dp
1900
x6768
1114C
Trailing Loves (or L'oeufs?)
brute force
,
implementation
,
math
,
number theory
1700
x7369
1111E
Tree
data structures
,
dfs and similar
,
dp
,
graphs
,
trees
2500
x919
1111D
Destroy the Colony
combinatorics
,
dp
,
math
2600
x960
1111C
Creative Snap
binary search
,
brute force
,
divide and conquer
,
math
1700
x6240
1111B
Average Superhero Gang Power
brute force
,
implementation
,
math
1700
x6239
1110H
Modest Substrings
dp
,
strings
3500
x282
1110G
Tree-Tac-Toe
constructive algorithms
,
games
,
trees
3100
x619
1110F
Nearest Leaf
data structures
,
trees
2600
x1731
1110E
Magic Stones
constructive algorithms
,
math
,
sortings
2200
x4155
1110D
Jongmah
dp
2200
x3531
1109F
Sasha and Algorithm of Silence's Sounds
data structures
,
trees
3200
x292
1109E
Sasha and a Very Easy Test
data structures
,
number theory
2700
x524
1109D
Sasha and Interesting Fact from Graph Theory
brute force
,
combinatorics
,
dp
,
math
,
trees
2400
x1333
1109C
Sasha and a Patient Friend
binary search
,
data structures
,
implementation
2800
x253
1109B
Sasha and One More Name
constructive algorithms
,
hashing
,
strings
1800
x4348
1109A
Sasha and a Bit of Relax
dp
,
implementation
1600
x8485
1108F
MST Unification
binary search
,
dsu
,
graphs
,
greedy
2100
x2895
1108E2
Array and Segments (Hard version)
data structures
,
implementation
2100
x2198
1108E1
Array and Segments (Easy version)
brute force
,
greedy
,
implementation
1800
x4525
1107G
Vasya and Maximum Profit
binary search
,
constructive algorithms
,
data structures
,
dp
,
dsu
2400
x1042
1107F
Vasya and Endless Credits
dp
,
flows
,
graph matchings
,
graphs
,
sortings
2600
x783
1107E
Vasya and Binary String
dp
2400
x2283
1107D
Compression
dp
,
implementation
,
math
,
number theory
1800
x3722
1106F
Lunar New Year and a Recursive Sequence
math
,
matrices
,
number theory
2400
x974
1106E
Lunar New Year and Red Envelopes
data structures
,
dp
2100
x2552
1105E
Helping Hiasat
bitmasks
,
brute force
,
dp
,
meet-in-the-middle
2200
x1631
1105D
Kilani and the Game
dfs and similar
,
graphs
,
implementation
,
shortest paths
1900
x4081
1103E
Radix sum
fft
,
math
,
number theory
3400
x232
1103D
Professional layer
bitmasks
,
dp
3100
x406
1103C
Johnny Solving
constructive algorithms
,
dfs and similar
,
graphs
,
math
2700
x841
1103B
Game with modulo
binary search
,
constructive algorithms
,
interactive
2000
x3269
1102F
Elongated Matrix
binary search
,
bitmasks
,
brute force
,
dp
,
graphs
2000
x1991
1102E
Monotonic Renumeration
combinatorics
,
sortings
1700
x5920
1101G
(Zero XOR Subset)-less
math
,
matrices
2300
x1706
1101F
Trucks and Cities
binary search
,
dp
2400
x1329
1101D
GCD Counting
data structures
,
dfs and similar
,
dp
,
number theory
,
trees
2000
x4609
1100F
Ivan and Burgers
data structures
,
divide and conquer
,
greedy
,
math
2500
x2404
1100E
Andrew and Taxi
binary search
,
dfs and similar
,
graphs
2200
x2359
1100D
Dasha and Chess
constructive algorithms
,
games
,
interactive
2500
x846
1099F
Cookies
binary search
,
data structures
,
dfs and similar
,
dp
,
games
,
trees
2400
x944
1098F
Ж-function
string suffix structures
,
strings
3500
x226
1098E
Fedya the Potter
binary search
,
implementation
,
math
,
number theory
3400
x222
1098D
Eels
data structures
2800
x772
1098C
Construct a tree
binary search
,
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
,
trees
2400
x1073
1098B
Nice table
brute force
,
constructive algorithms
,
greedy
,
math
2100
x1673
1098A
Sum in the tree
constructive algorithms
,
dfs and similar
,
greedy
,
trees
1600
x8741
1097H
Mateusz and an Infinite Sequence
bitmasks
,
brute force
,
dp
,
strings
3400
x94
1097G
Vladislav and a Great Legend
combinatorics
,
dp
,
trees
3000
x725
←
1
2
...
27
28
29
30
31
...
60
61
→
User lists
Name