Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
12 days
Register now »
→ Filter Problems
Difficulty:
—
sortings
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
1592A
Gamer Hemose
binary search
,
greedy
,
math
,
sortings
800
x21603
1201C
Maximum Median
binary search
,
greedy
,
math
,
sortings
1400
x21501
1133C
Balanced Team
sortings
,
two pointers
1200
x21299
1470A
Strange Birthday Party
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1300
x21245
1539C
Stable Groups
greedy
,
sortings
1200
x21217
1294B
Collecting Packages
implementation
,
sortings
1200
x21212
1613B
Absent Remainder
greedy
,
implementation
,
sortings
1000
x21184
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20865
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20755
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20740
1713B
Optimal Reduction
constructive algorithms
,
sortings
1000
x20728
1733A
Consecutive Sum
greedy
,
sortings
800
x20660
1622B
Berland Music
data structures
,
greedy
,
math
,
sortings
1000
x20533
1791G1
Teleporters (Easy Version)
greedy
,
sortings
1100
x20493
1638B
Odd Swap Sort
data structures
,
math
,
sortings
1100
x20412
1529B
Sifid and Strange Subsequences
greedy
,
math
,
sortings
1100
x20339
1165B
Polycarp Training
data structures
,
greedy
,
sortings
1000
x20331
1744D
Divisibility by 2^n
greedy
,
math
,
sortings
1200
x20261
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x20037
1921D
Very Different Array
data structures
,
greedy
,
sortings
,
two pointers
1100
x19944
1380C
Create The Teams
brute force
,
dp
,
greedy
,
implementation
,
sortings
1400
x19884
1836A
Destroyer
implementation
,
sortings
800
x19787
1862C
Flower City Fence
binary search
,
data structures
,
implementation
,
sortings
1100
x19638
1895B
Points and Minimum Distance
greedy
,
math
,
sortings
800
x19632
1832B
Maximum Sum
brute force
,
sortings
,
two pointers
1100
x19619
1767B
Block Towers
data structures
,
greedy
,
sortings
800
x19567
807A
Is it rated?
implementation
,
sortings
900
x19479
1798A
Showstopper
greedy
,
implementation
,
sortings
800
x19330
1336A
Linova and Kingdom
dfs and similar
,
dp
,
greedy
,
sortings
,
trees
1600
x19319
27A
Next Test
implementation
,
sortings
1200
x19318
1920B
Summation Game
games
,
greedy
,
math
,
sortings
1100
x19241
1656A
Good Pairs
math
,
sortings
800
x19235
1712C
Sort Zero
greedy
,
sortings
1100
x19218
1867A
green_gold_dog, array and permutation
constructive algorithms
,
sortings
800
x19193
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19119
1369C
RationalLee
greedy
,
math
,
sortings
,
two pointers
1400
x19052
1922B
Forming Triangles
combinatorics
,
constructive algorithms
,
math
,
sortings
1200
x18987
984A
Game
sortings
800
x18900
1729D
Friends and the Restaurant
greedy
,
sortings
,
two pointers
1200
x18829
1445A
Array Rearrangment
greedy
,
sortings
800
x18807
1665B
Array Cloning Technique
constructive algorithms
,
greedy
,
sortings
900
x18715
1896A
Jagged Swaps
sortings
800
x18651
1311B
WeirdSort
dfs and similar
,
sortings
1200
x18485
1656C
Make Equal With Mod
constructive algorithms
,
math
,
number theory
,
sortings
1200
x18484
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x18449
1438B
Valerii Against Everyone
constructive algorithms
,
data structures
,
greedy
,
sortings
1000
x18436
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18412
1891A
Sorting with Twos
constructive algorithms
,
sortings
800
x18352
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
,
data structures
,
dp
,
greedy
,
sortings
1300
x18174
1790D
Matryoshkas
data structures
,
greedy
,
sortings
1200
x18163
1914D
Three Activities
brute force
,
dp
,
greedy
,
implementation
,
sortings
1200
x18131
1671B
Consecutive Points Segment
brute force
,
math
,
sortings
1000
x18116
1216B
Shooting
greedy
,
implementation
,
sortings
900
x18067
1846C
Rudolf and the Another Competition
constructive algorithms
,
data structures
,
dp
,
greedy
,
sortings
1200
x17938
1614B
Divan and a New Project
constructive algorithms
,
sortings
1000
x17864
1688B
Patchouli's Magical Talisman
bitmasks
,
constructive algorithms
,
greedy
,
sortings
800
x17854
988B
Substrings Sort
sortings
,
strings
1100
x17850
1807G1
Subsequence Addition (Easy Version)
brute force
,
data structures
,
dp
,
greedy
,
implementation
,
sortings
1100
x17836
1579B
Shifting Sort
implementation
,
sortings
1100
x17812
1933D
Turtle Tenacity: Continual Mods
constructive algorithms
,
greedy
,
math
,
number theory
,
sortings
1200
x17712
1857D
Strong Vertices
math
,
sortings
,
trees
1300
x17706
1807G2
Subsequence Addition (Hard Version)
bitmasks
,
dp
,
greedy
,
implementation
,
sortings
1100
x17680
1605B
Reverse Sort
greedy
,
sortings
1000
x17642
977D
Divide by three, multiply by two
dfs and similar
,
math
,
sortings
1400
x17606
1641A
Great Sequence
brute force
,
greedy
,
sortings
1200
x17518
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x17486
1827A
Counting Orders
combinatorics
,
math
,
sortings
,
two pointers
1100
x17460
1353D
Constructing the Array
constructive algorithms
,
data structures
,
sortings
1600
x17334
1015C
Songs Compression
sortings
1100
x17309
1682B
AND Sorting
bitmasks
,
constructive algorithms
,
sortings
1100
x17215
1174A
Ehab Fails to Be Thanos
constructive algorithms
,
greedy
,
sortings
1000
x17204
546B
Soldier and Badges
brute force
,
greedy
,
implementation
,
sortings
1200
x17183
1930A
Maximise The Score
greedy
,
sortings
800
x17114
507A
Amr and Music
greedy
,
implementation
,
sortings
1000
x17018
1681C
Double Sort
implementation
,
sortings
1200
x16966
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x16927
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16882
560A
Currency System in Geraldion
implementation
,
sortings
1000
x16830
1427A
Avoiding Zero
math
,
sortings
900
x16829
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x16813
166A
Rank List
binary search
,
implementation
,
sortings
1100
x16767
1144B
Parity Alternated Deletions
greedy
,
implementation
,
sortings
900
x16763
289B
Polo the Penguin and Matrix
brute force
,
dp
,
implementation
,
sortings
,
ternary search
1400
x16751
1495A
Diamond Miner
geometry
,
greedy
,
math
,
sortings
1200
x16672
1574C
Slay the Dragon
binary search
,
greedy
,
sortings
,
ternary search
1300
x16534
1685A
Circular Local MiniMax
constructive algorithms
,
greedy
,
sortings
1100
x16482
1248B
Grow The Tree
greedy
,
math
,
sortings
900
x16466
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x16446
1607D
Blue-Red Permutation
greedy
,
math
,
sortings
1300
x16400
1689A
Lex String
brute force
,
greedy
,
implementation
,
sortings
,
two pointers
800
x16378
1650C
Weight of the System of Nested Segments
greedy
,
hashing
,
implementation
,
sortings
1200
x16370
1668B
Social Distance
greedy
,
math
,
sortings
900
x16319
1418B
Negative Prefixes
greedy
,
sortings
1300
x16286
572A
Arrays
sortings
900
x16281
1627B
Not Sitting
games
,
greedy
,
sortings
1300
x16276
1624D
Palindromes Coloring
binary search
,
greedy
,
sortings
,
strings
1400
x16252
1762B
Make Array Good
constructive algorithms
,
implementation
,
number theory
,
sortings
1100
x16186
1093B
Letters Rearranging
constructive algorithms
,
greedy
,
sortings
,
strings
900
x16111
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x16088
1730C
Minimum Notation
data structures
,
greedy
,
math
,
sortings
1200
x16052
←
1
2
3
4
...
10
11
→
User lists
Name