Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
23:23:35
Register now »
*has extra registration
→ 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
4D
Mysterious Present
dp
,
sortings
1700
x9531
1383A
String Transformation 1
dsu
,
graphs
,
greedy
,
sortings
,
strings
,
trees
,
two pointers
1700
x10184
1393C
Pinkie Pie Eats Patty-cakes
constructive algorithms
,
greedy
,
math
,
sortings
1700
x10216
559B
Equivalent Strings
divide and conquer
,
hashing
,
sortings
,
strings
1700
x10287
1336B
Xenia and Colorful Gems
binary search
,
greedy
,
math
,
sortings
,
two pointers
1700
x10914
1474C
Array Destruction
brute force
,
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
1700
x12093
1346C
Spring Cleaning
*special problem
,
greedy
,
sortings
1600
x577
175C
Geometry Horse
greedy
,
implementation
,
sortings
,
two pointers
1600
x1277
430A
Points and Segments (easy)
constructive algorithms
,
sortings
1600
x2211
272D
Dima and Two Sequences
combinatorics
,
math
,
sortings
1600
x2569
830B
Cards Sorting
data structures
,
implementation
,
sortings
1600
x2739
858D
Polycarp's phone book
data structures
,
implementation
,
sortings
1600
x3676
593B
Anton and Lines
geometry
,
sortings
1600
x3932
1137A
Skyscrapers
implementation
,
sortings
1600
x4276
1028C
Rectangles
geometry
,
implementation
,
sortings
1600
x4301
822C
Hacker, pack your bags!
binary search
,
greedy
,
implementation
,
sortings
1600
x4464
599C
Day at the Beach
sortings
1600
x4544
597B
Restaurant
dp
,
greedy
,
sortings
1600
x4597
375B
Maximum Submatrix 2
data structures
,
dp
,
implementation
,
sortings
1600
x4930
1082C
Multi-Subject Competition
greedy
,
sortings
1600
x5485
1056D
Decorate Apple Tree
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
greedy
,
sortings
,
trees
1600
x5556
525C
Ilya and Sticks
greedy
,
math
,
sortings
1600
x5688
350C
Bombs
greedy
,
implementation
,
sortings
1600
x6412
493C
Vasya and Basketball
binary search
,
brute force
,
data structures
,
implementation
,
sortings
,
two pointers
1600
x6637
1781C
Equal Frequencies
brute force
,
constructive algorithms
,
greedy
,
implementation
,
sortings
,
strings
1600
x6905
1029C
Maximal Intersection
greedy
,
math
,
sortings
1600
x7039
1165E
Two Arrays and Sum of Functions
greedy
,
math
,
sortings
1600
x7601
1566D2
Seating Arrangements (hard version)
data structures
,
greedy
,
implementation
,
sortings
,
two pointers
1600
x7656
1665C
Tree Infection
binary search
,
greedy
,
sortings
,
trees
1600
x7964
1151D
Stas and the Queue at the Buffet
greedy
,
math
,
sortings
1600
x8030
1077D
Cutting Out
binary search
,
sortings
1600
x8207
231C
To Add or Not to Add
binary search
,
sortings
,
two pointers
1600
x8241
1198A
MP3
sortings
,
two pointers
1600
x8622
500B
New Year Permutation
dfs and similar
,
dsu
,
graphs
,
greedy
,
math
,
sortings
1600
x8646
1461D
Divide and Summarize
binary search
,
brute force
,
data structures
,
divide and conquer
,
implementation
,
sortings
1600
x8821
1140C
Playlist
brute force
,
data structures
,
sortings
1600
x9072
1198B
Welfare State
binary search
,
brute force
,
data structures
,
sortings
1600
x9120
1282B2
K for the Price of One (Hard Version)
dp
,
greedy
,
sortings
1600
x9725
1213D2
Equalizing by Division (hard version)
brute force
,
math
,
sortings
1600
x10978
1539D
PriceFixed
binary search
,
greedy
,
implementation
,
sortings
,
two pointers
1600
x11200
1455D
Sequence and Swaps
dp
,
greedy
,
sortings
1600
x11907
1622C
Set or Decrease
binary search
,
brute force
,
greedy
,
sortings
1600
x12165
372A
Counting Kangaroos is Fun
binary search
,
greedy
,
sortings
,
two pointers
1600
x12242
348A
Mafia
binary search
,
math
,
sortings
1600
x12507
1475E
Advertising Agency
combinatorics
,
math
,
sortings
1600
x12710
1374E1
Reading Books (easy version)
data structures
,
greedy
,
sortings
1600
x13447
1348C
Phoenix and Distribution
constructive algorithms
,
greedy
,
sortings
,
strings
1600
x14137
510C
Fox And Names
dfs and similar
,
graphs
,
sortings
1600
x14862
1344A
Hilbert's Hotel
math
,
number theory
,
sortings
1600
x15132
1353D
Constructing the Array
constructive algorithms
,
data structures
,
sortings
1600
x17211
1336A
Linova and Kingdom
dfs and similar
,
dp
,
greedy
,
sortings
,
trees
1600
x19045
649C
Печать условий
constructive algorithms
,
greedy
,
sortings
1500
x435
172C
Bus
*special problem
,
implementation
,
sortings
1500
x1126
331A2
Oh Sweet Beaverette
data structures
,
sortings
1500
x1371
53D
Physical Education
sortings
1500
x1728
774D
Lie or Truth
*special problem
,
constructive algorithms
,
implementation
,
sortings
1500
x1893
237B
Young Table
implementation
,
sortings
1500
x2183
115B
Lawnmower
greedy
,
sortings
1500
x2416
384B
Multitasking
greedy
,
implementation
,
sortings
,
two pointers
1500
x3464
425A
Sereja and Swaps
brute force
,
sortings
1500
x3799
809A
Do you want a date?
implementation
,
math
,
sortings
1500
x4616
709B
Checkpoints
greedy
,
implementation
,
sortings
1500
x4692
875B
Sorting the Coins
dsu
,
implementation
,
sortings
,
two pointers
1500
x5105
149C
Division into Teams
greedy
,
math
,
sortings
1500
x5237
501C
Misha and Forest
constructive algorithms
,
data structures
,
greedy
,
sortings
,
trees
1500
x5497
817B
Makes And The Product
combinatorics
,
implementation
,
math
,
sortings
1500
x5514
1012A
Photo of The Sky
brute force
,
implementation
,
math
,
sortings
1500
x6139
976C
Nested Segments
greedy
,
implementation
,
sortings
1500
x6195
166C
Median
greedy
,
math
,
sortings
1500
x6304
1158A
The Party and Sweets
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
,
sortings
,
two pointers
1500
x6682
137C
History
sortings
1500
x7029
557B
Pasha and Tea
constructive algorithms
,
implementation
,
math
,
sortings
1500
x7061
960B
Minimize the error
data structures
,
greedy
,
sortings
1500
x7225
1876B
Effects of Anti Pimples
combinatorics
,
number theory
,
sortings
1500
x7263
863B
Kayaking
brute force
,
greedy
,
sortings
1500
x7455
1136C
Nastya Is Transposing Matrices
constructive algorithms
,
sortings
1500
x7471
1101C
Division and Union
sortings
1500
x7480
845C
Two TVs
data structures
,
greedy
,
sortings
1500
x7735
1166C
A Tale of Two Lands
binary search
,
sortings
,
two pointers
1500
x8760
1269B
Modulo Equality
brute force
,
sortings
1500
x8812
1114B
Yet Another Array Partitioning Task
constructive algorithms
,
greedy
,
sortings
1500
x8830
437B
The Child and Set
bitmasks
,
greedy
,
implementation
,
sortings
1500
x9080
1851E
Nastya and Potions
dfs and similar
,
dp
,
graphs
,
sortings
1500
x9190
1742G
Orray
bitmasks
,
brute force
,
greedy
,
math
,
sortings
1500
x9569
1759E
The Humanoid
brute force
,
dp
,
sortings
1500
x9709
274A
k-Multiple Free Set
binary search
,
greedy
,
sortings
1500
x9797
1676H2
Maximum Crossings (Hard Version)
data structures
,
divide and conquer
,
sortings
1500
x9857
1814C
Search in Parallel
constructive algorithms
,
greedy
,
sortings
1500
x9973
1466D
13th Labour of Heracles
data structures
,
greedy
,
sortings
,
trees
1500
x10677
1891C
Smilo and Monsters
binary search
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
1500
x10811
1850G
The Morning Star
combinatorics
,
data structures
,
geometry
,
implementation
,
math
,
sortings
1500
x10933
1915F
Greetings
data structures
,
divide and conquer
,
sortings
1500
x11026
1760F
Quests
binary search
,
greedy
,
sortings
1500
x11040
1515D
Phoenix and Socks
greedy
,
sortings
,
two pointers
1500
x11085
1857E
Power of Points
math
,
sortings
1500
x11268
1551C
Interesting Story
greedy
,
sortings
,
strings
1500
x12774
812C
Sagheer and Nubian Market
binary search
,
sortings
1500
x12929
1462E1
Close Tuples (easy version)
binary search
,
combinatorics
,
math
,
sortings
,
two pointers
1500
x13069
1203E
Boxers
greedy
,
sortings
1500
x13316
1545A
AquaMoon and Strange Sort
sortings
1500
x13476
←
1
2
...
4
5
6
7
8
9
10
→
User lists
Name