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!)
05:42:05
Register now »
*has extra registration
Before contest
2024 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams)
22:12:05
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
1898D
Absolute Beauty
greedy
,
math
1900
x5331
1898C
Colorful Grid
constructive algorithms
1700
x5627
1898B
Milena and Admirer
greedy
,
math
1500
x12131
1898A
Milica and String
brute force
,
implementation
,
strings
800
x16146
1896H2
Cyclic Hamming (Hard Version)
brute force
,
dp
,
fft
,
math
,
number theory
3500
x105
1896H1
Cyclic Hamming (Easy Version)
brute force
,
divide and conquer
,
dp
,
fft
,
math
,
number theory
3400
x90
1896G
Pepe Racing
constructive algorithms
,
implementation
,
interactive
,
sortings
3200
x346
1896F
Bracket Xoring
constructive algorithms
,
greedy
,
implementation
,
math
2600
x735
1896E
Permutation Sorting
data structures
,
sortings
2100
x2250
1896D
Ones and Twos
binary search
,
data structures
,
divide and conquer
,
math
,
two pointers
1700
x5868
1896C
Matching Arrays
binary search
,
constructive algorithms
,
greedy
,
sortings
1400
x9783
1896B
AB Flipping
greedy
,
strings
,
two pointers
900
x15080
1896A
Jagged Swaps
sortings
800
x25363
1895G
Two Characters, Two Colors
binary search
,
data structures
,
dp
,
flows
,
greedy
3100
x195
1895F
Fancy Arrays
combinatorics
,
dp
,
math
,
matrices
2600
x774
1895E
Infinite Card Game
binary search
,
brute force
,
data structures
,
dfs and similar
,
dp
,
dsu
,
games
,
graphs
,
greedy
,
sortings
,
two pointers
2300
x1588
1895D
XOR Construction
bitmasks
,
constructive algorithms
,
data structures
,
math
,
string suffix structures
,
trees
1900
x6142
1895C
Torn Lucky Ticket
brute force
,
dp
,
hashing
,
implementation
,
math
1400
x11378
1895B
Points and Minimum Distance
greedy
,
math
,
sortings
800
x20551
1895A
Treasure Chest
math
800
x24546
1894B
Two Out of Three
constructive algorithms
1000
x16096
1894A
Secret Sport
implementation
,
strings
800
x19061
1893E
Cacti Symphony
combinatorics
,
dfs and similar
,
dp
,
graphs
3500
x198
1893D
Colorful Constructive
constructive algorithms
,
data structures
,
greedy
2600
x931
1893C
Freedom of Choice
brute force
,
greedy
,
implementation
2000
x2742
1893B
Neutral Tonality
constructive algorithms
,
greedy
,
sortings
,
two pointers
1700
x9027
1893A
Anonymous Informant
brute force
,
dfs and similar
,
graphs
,
implementation
1400
x12545
1891F
A Growing Tree
data structures
,
dfs and similar
,
trees
2000
x3875
1891E
Brukhovich and Exams
brute force
,
greedy
,
implementation
,
math
,
sortings
2500
x854
1891D
Suspicious logarithms
binary search
,
brute force
,
math
1900
x4015
1891C
Smilo and Monsters
binary search
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
1500
x13613
1891B
Deja Vu
brute force
,
math
,
sortings
1100
x18446
1891A
Sorting with Twos
constructive algorithms
,
sortings
800
x19344
1890B
Qingshan Loves Strings
constructive algorithms
,
implementation
800
x17614
1890A
Doremy's Paint 3
constructive algorithms
800
x27869
1889F
Doremy's Average Tree
data structures
,
dp
,
greedy
,
trees
3500
x82
1889E
Doremy's Swapping Trees
dfs and similar
,
graphs
,
trees
3500
x112
1889D
Game of Stacks
brute force
,
dfs and similar
,
graphs
,
implementation
,
trees
3000
x625
1889C2
Doremy's Drying Plan (Hard Version)
data structures
,
dp
2600
x1026
1889C1
Doremy's Drying Plan (Easy Version)
brute force
,
data structures
,
dp
,
greedy
,
sortings
2000
x3344
1889B
Doremy's Connecting Plan
constructive algorithms
,
greedy
,
math
,
sortings
1700
x7480
1889A
Qingshan Loves Strings 2
constructive algorithms
,
greedy
,
implementation
1300
x13367
1887F
Minimum Segments
constructive algorithms
3400
x175
1887E
Good Colorings
binary search
,
constructive algorithms
,
graphs
,
interactive
3100
x385
1887D
Split
binary search
,
data structures
,
divide and conquer
,
dsu
,
math
,
trees
,
two pointers
2700
x983
1887C
Minimum Array
binary search
,
brute force
,
constructive algorithms
,
data structures
,
greedy
,
hashing
,
two pointers
2400
x1782
1887B
Time Travel
binary search
,
graphs
,
shortest paths
1900
x3074
1886F
Diamond Theft
data structures
,
greedy
3300
x192
1886E
I Wanna be the Team Leader
bitmasks
,
constructive algorithms
,
dp
,
greedy
,
math
,
sortings
,
two pointers
2400
x1504
1886D
Monocarp and the Set
combinatorics
,
data structures
,
math
2100
x3633
1886C
Decreasing String
implementation
,
strings
1600
x11732
1886B
Fear of the Dark
binary search
,
geometry
,
math
1200
x16345
1886A
Sum of Three
brute force
,
constructive algorithms
,
math
800
x26013
1885A
Deterministic Scheduling for Extended Reality over 5G and Beyond
*special problem
1884E
Hard Design
greedy
,
implementation
,
math
2800
x322
1884D
Counting Rhyme
dp
,
math
,
number theory
2100
x3294
1884C
Medium Design
brute force
,
data structures
,
dp
,
greedy
,
sortings
1700
x6200
1884B
Haunted House
binary search
,
greedy
,
math
,
two pointers
1100
x12817
1884A
Simple Design
brute force
,
greedy
,
math
800
x17581
1883G2
Dances (Hard Version)
binary search
,
greedy
,
sortings
,
two pointers
1900
x5479
1883G1
Dances (Easy version)
binary search
,
greedy
,
two pointers
1400
x11359
1883F
You Are So Beautiful
data structures
1400
x9698
1883E
Look Back
bitmasks
,
greedy
1700
x8239
1883D
In Love
data structures
,
greedy
1500
x11717
1883C
Raspberries
dp
,
math
1000
x28464
1883B
Chemistry
strings
900
x33422
1883A
Morning
math
800
x25912
1882E2
Two Permutations (Hard Version)
constructive algorithms
3100
x299
1882E1
Two Permutations (Easy Version)
brute force
,
constructive algorithms
,
greedy
,
number theory
2400
x1037
1882D
Tree XOR
bitmasks
,
dfs and similar
,
dp
,
greedy
,
trees
1900
x5595
1882C
Card Game
brute force
,
greedy
1500
x12534
1882B
Sets and Union
bitmasks
,
brute force
,
constructive algorithms
,
greedy
1300
x15613
1882A
Increasing Sequence
greedy
800
x25519
1881G
Anya and the Mysterious String
binary search
,
data structures
2000
x2422
1881F
Minimum Maximum Distance
dfs and similar
,
dp
,
graphs
,
shortest paths
,
trees
1700
x7118
1881E
Block Sequence
dp
1500
x14681
1881D
Divide and Equalize
math
,
number theory
1300
x17774
1881C
Perfect Square
brute force
,
implementation
1200
x17248
1881B
Three Threadlets
math
900
x25723
1881A
Don't Try to Count
brute force
,
strings
800
x32987
1879F
Last Man Standing
brute force
,
data structures
,
number theory
2800
x516
1879E
Interactive Game with Coloring
brute force
,
constructive algorithms
,
dfs and similar
,
graphs
,
implementation
,
interactive
,
trees
2400
x1277
1879D
Sum of XOR Functions
bitmasks
,
combinatorics
,
divide and conquer
,
dp
,
math
1700
x7571
1879C
Make it Alternating
combinatorics
,
dp
,
greedy
1300
x17388
1879B
Chips on the Board
constructive algorithms
,
greedy
900
x22769
1879A
Rigged!
greedy
800
x23247
1878G
wxhtzdy ORO Tree
binary search
,
bitmasks
,
brute force
,
data structures
,
dfs and similar
,
implementation
,
trees
2300
x1202
1878F
Vasilije Loves Number Theory
brute force
,
math
,
number theory
1900
x4173
1878E
Iva & Pav
binary search
,
bitmasks
,
data structures
,
greedy
1400
x13187
1878D
Reverse Madness
data structures
,
greedy
1600
x8506
1878C
Vasilije in Cacak
math
900
x34007
1878B
Aleksa and Stack
constructive algorithms
,
math
800
x31657
1878A
How Much Does Daytona Cost?
greedy
800
x45869
1877C
Joyboard
math
,
number theory
1200
x11165
1877A
Goals of Victory
math
800
x24516
1876G
Clubstep
binary search
,
brute force
,
data structures
,
greedy
,
trees
3500
x141
1876F
Indefinite Clownfish
binary search
,
graphs
3500
x143
1876E
Ball-Stackable
constructive algorithms
,
data structures
,
dp
,
trees
3300
x272
1876D
Lexichromatography
combinatorics
,
dfs and similar
,
dsu
,
graphs
,
two pointers
2500
x892
1876C
Autosynthesis
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
,
sortings
2100
x2334
←
1
2
...
8
9
10
11
12
...
99
100
→
User lists
Name