Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Rayan
→ Pay attention
Before contest
Good Bye 2024: 2025 is NEAR
2 days
Register now »
*has extra registration
→ 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
611F
New Year and Cleaning
binary search
,
implementation
2500
x485
611E
New Year and Three Musketeers
data structures
,
greedy
,
sortings
2400
x870
611D
New Year and Ancient Prophecy
dp
,
hashing
,
strings
2000
x2607
611C
New Year and Domino
dp
,
implementation
1500
x8527
611B
New Year and Old Property
bitmasks
,
brute force
,
implementation
1300
x10221
611A
New Year and Days
implementation
900
x11688
610E
Alphabet Permutations
data structures
,
strings
2500
x910
610D
Vika and Segments
constructive algorithms
,
data structures
,
geometry
,
two pointers
2300
x1517
610C
Harmony Analysis
constructive algorithms
1800
x2888
610B
Vika and Squares
constructive algorithms
,
implementation
1300
x7344
610A
Pasha and Stick
combinatorics
,
math
1000
x23762
609F
Frogs and mosquitoes
data structures
,
greedy
2500
x1277
609E
Minimum spanning tree for each edge
data structures
,
dfs and similar
,
dsu
,
graphs
,
trees
2100
x8152
609D
Gadgets for dollars and pounds
binary search
,
greedy
,
two pointers
2000
x2782
609C
Load Balancing
implementation
,
math
1500
x6706
609B
The Best Gift
constructive algorithms
,
implementation
1100
x9267
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x17698
608B
Hamming Distance Sum
combinatorics
,
strings
1500
x6916
608A
Saitama Destroys Hotel
implementation
,
math
1000
x9401
607E
Cross Sum
binary search
,
geometry
3300
x256
607D
Power Tree
data structures
,
trees
2600
x578
607C
Marbles
hashing
,
strings
2500
x804
607B
Zuma
dp
1900
x12622
607A
Chain Reaction
binary search
,
dp
1600
x9707
606B
Testing Robots
implementation
1600
x2773
606A
Magic Spheres
implementation
1200
x8009
605E
Intergalaxy Trips
probabilities
,
shortest paths
2700
x1402
605D
Board Game
data structures
,
dfs and similar
2500
x811
605C
Freelancer's Dreams
geometry
2400
x1128
605B
Lazy Student
constructive algorithms
,
data structures
,
graphs
1700
x3502
605A
Sorting Railway Cars
constructive algorithms
,
greedy
1600
x7186
604B
More Cowbell
binary search
,
greedy
1400
x8541
604A
Uncowed Forces
implementation
1000
x9015
603E
Pastoral Oddities
data structures
,
divide and conquer
,
dsu
,
math
,
trees
3000
x1330
603D
Ruminations on Ruminants
geometry
,
math
2900
x341
603C
Lieges of Legendre
games
,
math
2200
x1900
603B
Moodular Arithmetic
combinatorics
,
dfs and similar
,
dsu
,
math
,
number theory
1800
x2592
603A
Alternative Thinking
dp
,
greedy
,
math
1600
x7715
602B
Approximating a Constant Range
dp
,
implementation
,
two pointers
1400
x10998
602A
Two Bases
brute force
,
implementation
1100
x8548
601E
A Museum Robbery
data structures
,
dp
2800
x880
601D
Acyclic Organic Compounds
data structures
,
dfs and similar
,
dsu
,
hashing
,
strings
,
trees
2400
x1164
601C
Kleofáš and the n-thlon
dp
,
math
,
probabilities
2300
x1341
601B
Lipshitz Sequence
data structures
,
math
2100
x2336
601A
The Two Routes
graphs
,
shortest paths
1600
x12218
600F
Edge coloring of bipartite graph
graphs
2800
x846
600E
Lomsat gelral
data structures
,
dfs and similar
,
dsu
,
trees
2300
x14402
600D
Area of Two Circles' Intersection
geometry
2000
x2342
600C
Make Palindrome
constructive algorithms
,
greedy
,
strings
1800
x6334
600B
Queries about less or equal elements
binary search
,
data structures
,
sortings
,
two pointers
1300
x30933
600A
Extract Numbers
implementation
,
strings
1600
x5358
599E
Sandy and Nuts
bitmasks
,
dp
,
trees
2600
x679
599D
Spongebob and Squares
brute force
,
math
1900
x2598
599C
Day at the Beach
sortings
1600
x4673
599B
Spongebob and Joke
implementation
1500
x4420
599A
Patrick and Shopping
implementation
800
x29381
598F
Cut Length
geometry
2900
x383
598E
Chocolate Bar
brute force
,
dp
2000
x5144
598D
Igor In the Museum
dfs and similar
,
graphs
,
shortest paths
1700
x11369
598C
Nearest vectors
geometry
,
sortings
2300
x4529
598B
Queries on a String
implementation
,
strings
1300
x11308
598A
Tricky Sum
math
900
x27152
597C
Subsequences
data structures
,
dp
1900
x5184
597B
Restaurant
dp
,
greedy
,
sortings
1600
x4961
597A
Divisibility
math
1600
x4564
596E
Wilbur and Strings
dfs and similar
,
dp
,
graphs
,
strings
2500
x396
596D
Wilbur and Trees
dp
,
math
,
probabilities
,
sortings
2300
x689
596C
Wilbur and Points
combinatorics
,
greedy
,
sortings
1700
x2260
596B
Wilbur and Array
greedy
,
implementation
1100
x10419
596A
Wilbur and Swimming Pool
geometry
,
implementation
1100
x7778
595B
Pasha and Phone
binary search
,
math
1600
x2930
595A
Vitaly and Night
constructive algorithms
,
implementation
800
x14644
594E
Cutting the Line
string suffix structures
,
strings
3100
x162
594D
REQ
data structures
,
number theory
2500
x1674
594C
Edo and Magnets
brute force
,
greedy
,
implementation
,
two pointers
2300
x690
594B
Max and Bike
binary search
,
geometry
2500
x501
594A
Warrior and Archer
games
2300
x1738
593E
Strange Calculation and Cats
dp
,
matrices
2400
x646
593D
Happy Tree Party
data structures
,
dfs and similar
,
graphs
,
math
,
trees
2400
x1273
593C
Beautiful Function
constructive algorithms
,
math
2200
x285
593B
Anton and Lines
geometry
,
sortings
1600
x4065
593A
2Char
brute force
,
implementation
1200
x5822
592E
BCPC
binary search
,
geometry
,
two pointers
2700
x216
592D
Super M
dfs and similar
,
dp
,
graphs
,
trees
2200
x2663
592C
The Big Race
math
1800
x3083
592B
The Monster and the Squirrel
math
1100
x8645
592A
PawnChess
implementation
1200
x6370
591B
Rebranding
implementation
,
strings
1200
x8286
591A
Wizards' Duel
implementation
,
math
900
x14665
590E
Birthday
graph matchings
,
strings
3200
x792
590D
Top Secret Task
dp
2300
x1229
590C
Three States
dfs and similar
,
graphs
,
shortest paths
2200
x2854
590B
Chip 'n Dale Rescue Rangers
binary search
,
geometry
,
math
2100
x1919
590A
Median Smoothing
implementation
1700
x3983
588B
Duff in Love
math
1300
x14199
588A
Duff and Meat
greedy
900
x23080
587F
Duff is Mad
data structures
,
strings
3000
x1078
587E
Duff as a Queen
data structures
2900
x726
587D
Duff in Mafia
2-sat
,
binary search
3100
x763
587C
Duff in the Army
data structures
,
trees
2200
x4026
←
1
2
...
74
75
76
77
78
...
100
101
→
User lists
Name