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
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
1931A
Recovering a Small String
brute force
,
strings
800
x33549
214A
System of Equations
brute force
800
x33665
1650A
Deletions of Two Adjacent Letters
implementation
,
strings
800
x33896
1527A
And Then There Were K
bitmasks
800
x33941
1907A
Rook
implementation
800
x34114
1703C
Cypher
brute force
,
implementation
,
strings
800
x34189
1858A
Buttons
games
,
greedy
,
math
800
x34325
265A
Colorful Stones (Simplified Edition)
implementation
800
x34470
1560B
Who's Opposite?
math
800
x34715
1325B
CopyCopyCopyCopyCopy
greedy
,
implementation
800
x34897
978B
File Name
greedy
,
strings
800
x35026
1950C
Clock Conversion
implementation
,
math
800
x35037
1660A
Vasya and Coins
greedy
,
math
800
x35072
1760C
Advantage
data structures
,
implementation
,
sortings
800
x35086
1873C
Target Practice
implementation
,
math
800
x35375
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35419
1593A
Elections
math
800
x35543
1369A
FashionabLee
geometry
,
math
800
x35593
686A
Free Ice Cream
constructive algorithms
,
implementation
800
x35599
1790A
Polycarp and the Day of Pi
implementation
,
math
,
strings
800
x35643
1538A
Stone Game
brute force
,
dp
,
greedy
800
x35758
1337A
Ichihime and Triangle
constructive algorithms
,
math
800
x36064
1537A
Arithmetic Array
greedy
,
math
800
x36075
1607A
Linear Keyboard
implementation
,
strings
800
x36084
1186A
Vus the Cossack and a Contest
implementation
800
x36243
1955A
Yogurt Sale
math
800
x36276
1385B
Restore the Permutation by Merger
greedy
800
x36302
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x36847
1097A
Gennady and a Card Game
brute force
,
implementation
800
x37052
509A
Maximum in Table
brute force
,
implementation
800
x37263
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37293
1385A
Three Pairwise Maximums
math
800
x37586
1915C
Can I Square?
binary search
,
implementation
800
x37595
1579A
Casimir's String Solitaire
math
,
strings
800
x37824
1899A
Game with Integers
games
,
math
,
number theory
800
x37963
1358A
Park Lighting
greedy
,
math
800
x38135
1325A
EhAb AnD gCd
constructive algorithms
,
greedy
,
number theory
800
x38211
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x38400
1348A
Phoenix and Balance
greedy
,
math
800
x38403
1915B
Not Quite Latin Square
bitmasks
,
brute force
,
implementation
800
x38589
1878A
How Much Does Daytona Cost?
greedy
800
x38852
1941A
Rudolf and the Ticket
brute force
,
math
800
x38878
1729A
Two Elevators
math
800
x38956
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x38984
1454A
Special Permutation
constructive algorithms
,
probabilities
800
x39274
1296A
Array with Odd Sum
math
800
x39526
1927A
Make it White
greedy
,
strings
800
x39706
1807B
Grab the Candies
greedy
800
x39825
1921A
Square
greedy
,
math
800
x39926
1669B
Triple
implementation
,
sortings
800
x39957
1462A
Favorite Sequence
implementation
,
two pointers
800
x40002
1850B
Ten Words of Wisdom
implementation
,
sortings
800
x40456
233A
Perfect Permutation
implementation
,
math
800
x40457
1791C
Prepend and Append
implementation
,
two pointers
800
x40636
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x40702
1472A
Cards for Friends
greedy
,
math
800
x40861
1829B
Blank Space
implementation
800
x40890
1850C
Word on the Paper
implementation
,
strings
800
x41166
702A
Maximum Increase
dp
,
greedy
,
implementation
800
x41542
935A
Fafa and his Company
brute force
,
implementation
800
x41548
1760B
Atilla's Favorite Problem
greedy
,
implementation
,
strings
800
x41810
1791B
Following Directions
geometry
,
implementation
800
x41908
1926A
Vlad and the Best of Five
implementation
800
x42101
1542A
Odd Set
math
800
x42330
1399B
Gifts Fixing
greedy
800
x42393
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x42862
731A
Night at the Museum
implementation
,
strings
800
x43217
1722B
Colourblindness
implementation
800
x43303
1857A
Array Coloring
greedy
,
math
800
x43596
1950A
Stair, Peak, or Neither?
implementation
800
x43921
1772A
A+B?
implementation
800
x44061
959A
Mahmoud and Ehab and the even-odd game
games
,
math
800
x44183
1294A
Collecting Coins
math
800
x44314
1371A
Magical Sticks
math
800
x44343
1873B
Good Kid
brute force
,
greedy
,
math
800
x44432
1742B
Increasing
greedy
,
implementation
,
sortings
800
x44527
1676B
Equal Candies
greedy
,
math
,
sortings
800
x45236
1703B
ICPC Balloons
data structures
,
implementation
800
x45499
1426A
Floor Number
implementation
,
math
800
x45569
1829A
Love Story
implementation
,
strings
800
x45971
1360B
Honest Coach
greedy
,
sortings
800
x46112
707A
Brain's Photos
implementation
800
x46305
1535A
Fair Playoff
brute force
,
implementation
800
x46421
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x46554
1283A
Minutes Before the New Year
math
800
x46578
492A
Vanya and Cubes
implementation
800
x46802
1722A
Spell Check
implementation
800
x46979
1472B
Fair Division
dp
,
greedy
,
math
800
x47549
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47583
1360A
Minimal Square
greedy
,
math
800
x48056
1551A
Polycarp and Coins
greedy
,
math
800
x48466
1619A
Square String?
implementation
,
strings
800
x48556
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x48801
1873A
Short Sort
brute force
,
implementation
800
x48849
1433A
Boring Apartments
implementation
,
math
800
x49347
80A
Panoramix's Prediction
brute force
800
x49652
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x49703
1915A
Odd One Out
bitmasks
,
implementation
800
x49807
1624A
Plus One on the Subset
math
800
x49822
1367B
Even Array
greedy
,
math
800
x50342
←
1
2
...
90
91
92
93
→
User lists
Name