Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
05:32:23
Register now »
*has extra registration
Before contest
2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams)
22:02:23
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
1681A
Game with Cards
games
,
greedy
800
x21054
1680B
Robots
implementation
800
x18443
1680A
Minimums and Maximums
brute force
,
math
800
x21652
1679A
AvtoBus
brute force
,
greedy
,
math
,
number theory
900
x24839
1678B1
Tokitsukaze and Good 01-String (easy version)
implementation
800
x15981
1678A
Tokitsukaze and All Zero Sequence
implementation
800
x18234
1676D
X-Sum
brute force
,
greedy
,
implementation
1000
x25495
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x30442
1676B
Equal Candies
greedy
,
math
,
sortings
800
x49319
1676A
Lucky?
implementation
800
x65593
1675B
Make It Increasing
greedy
,
implementation
900
x27736
1675A
Food for Animals
greedy
,
math
800
x33515
1674C
Infinite Replacement
combinatorics
,
implementation
,
strings
1000
x23811
1674B
Dictionary
combinatorics
,
math
800
x26554
1674A
Number Transformation
constructive algorithms
,
math
800
x26434
1673A
Subtle Substring Subtraction
games
,
greedy
,
strings
800
x18476
1672B
I love AAAB
constructive algorithms
,
implementation
800
x15900
1672A
Log Chopping
games
,
implementation
,
math
800
x16158
1671B
Consecutive Points Segment
brute force
,
math
,
sortings
1000
x18624
1671A
String Building
implementation
800
x20576
1670A
Prof. Slim
greedy
,
implementation
,
sortings
800
x15473
1669C
Odd/Even Increments
greedy
,
greedy
,
implementation
,
math
800
x35241
1669B
Triple
implementation
,
sortings
800
x44135
1669A
Division?
implementation
800
x65003
1668B
Social Distance
greedy
,
math
,
sortings
900
x16779
1668A
Direction Change
implementation
,
math
800
x16358
1666D
Deletive Editing
greedy
900
x8912
1665B
Array Cloning Technique
constructive algorithms
,
greedy
,
sortings
900
x20852
1665A
GCD vs LCM
constructive algorithms
,
math
800
x23752
1661A
Array Balancing
greedy
,
math
800
x18424
1660B
Vlad and Candies
math
800
x28197
1660A
Vasya and Coins
greedy
,
math
800
x36262
1659A
Red Versus Blue
constructive algorithms
,
greedy
,
implementation
,
math
1000
x19225
1658B
Marin and Anti-coprime Permutation
combinatorics
,
math
,
number theory
800
x18664
1658A
Marin and Photoshoot
constructive algorithms
,
implementation
,
math
800
x20375
1657B
XY Sequence
greedy
800
x22917
1657A
Integer Moves
brute force
,
math
800
x24048
1656A
Good Pairs
math
,
sortings
800
x19723
1654B
Prefix Removals
strings
800
x15657
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18695
1651B
Prove Him Wrong
constructive algorithms
,
greedy
800
x19695
1651A
Playoff
implementation
800
x25757
1650B
DIV + MOD
math
900
x27844
1650A
Deletions of Two Adjacent Letters
implementation
,
strings
800
x34900
1649A
Game
implementation
800
x15599
1647A
Madoka and Math Dad
implementation
,
math
800
x22837
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x21254
1646A
Square Counting
math
800
x24364
1644B
Anti-Fibonacci Permutation
brute force
,
constructive algorithms
,
implementation
800
x20741
1644A
Doors and Keys
implementation
800
x27456
1642B
Power Walking
greedy
900
x17036
1642A
Hard Way
geometry
800
x16243
1638A
Reverse
constructive algorithms
,
greedy
,
math
800
x21519
1637A
Sorting Parts
brute force
,
sortings
800
x22414
1635B
Avoid Local Maximums
greedy
800
x17960
1635A
Min Or Sum
bitmasks
,
greedy
800
x23067
1634C
OKEA
constructive algorithms
1000
x18263
1634A
Reverse and Concatenate
greedy
,
strings
800
x23955
1633B
Minority
greedy
800
x27903
1633A
Div. 7
brute force
800
x33476
1632B
Roof Construction
bitmasks
,
constructive algorithms
1000
x22707
1632A
ABC
implementation
800
x29587
1631A
Min Max Swap
greedy
800
x29592
1629B
GCD Arrays
greedy
,
math
,
number theory
800
x23568
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x29356
1627A
Not Shading
constructive algorithms
,
implementation
800
x24090
1626A
Equidistant Letters
constructive algorithms
,
sortings
800
x29069
1625A
Ancient Civilization
bitmasks
,
greedy
,
math
800
x17298
1624B
Make AP
implementation
,
math
900
x37482
1624A
Plus One on the Subset
math
800
x52638
1623A
Robot Cleaner
brute force
,
implementation
,
math
800
x20090
1622B
Berland Music
data structures
,
greedy
,
math
,
sortings
1000
x21168
1622A
Construct a Rectangle
geometry
,
math
800
x30250
1621A
Stable Arrangement of Rooks
constructive algorithms
800
x23881
1620B
Triangles on a Rectangle
geometry
,
greedy
,
math
1000
x21582
1620A
Equal or Not Equal
constructive algorithms
,
dsu
,
implementation
800
x21665
1619B
Squares and Cubes
implementation
,
math
800
x31039
1619A
Square String?
implementation
,
strings
800
x52644
1618B
Missing Bigram
implementation
800
x22758
1618A
Polycarp and Sums of Subsequences
math
,
sortings
800
x32503
1617B
GCD Problem
brute force
,
constructive algorithms
,
math
,
number theory
900
x23598
1617A
Forbidden Subsequence
constructive algorithms
,
greedy
,
sortings
,
strings
800
x16309
1616A
Integer Diversity
implementation
800
x22843
1615A
Closing The Gap
greedy
,
math
800
x20820
1614B
Divan and a New Project
constructive algorithms
,
sortings
1000
x19641
1614A
Divan and a Store
brute force
,
constructive algorithms
,
greedy
800
x23518
1613B
Absent Remainder
greedy
,
implementation
,
sortings
1000
x21807
1613A
Long Comparison
implementation
,
math
900
x24693
1612B
Special Permutation
constructive algorithms
,
greedy
900
x17301
1612A
Distance
brute force
,
constructive algorithms
800
x17708
1611C
Polycarp Recovers the Permutation
constructive algorithms
1000
x18467
1611B
Team Composition: Programmers and Mathematicians
binary search
,
constructive algorithms
,
math
800
x29824
1611A
Make Even
constructive algorithms
,
math
800
x31603
1610A
Anti Light's Cell Guessing
math
900
x16150
1609A
Divide and Multiply
greedy
,
implementation
,
math
,
number theory
900
x17193
1608A
Find Array
constructive algorithms
,
math
800
x19129
1607C
Minimum Extraction
brute force
,
sortings
1000
x25159
1607B
Odd Grasshopper
math
900
x26827
1607A
Linear Keyboard
implementation
,
strings
800
x37652
1606A
AB Balance
strings
900
x25168
←
1
2
...
4
5
6
7
8
...
15
16
→
User lists
Name