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CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
39:01:59
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combine-tags-by-or
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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
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Problems
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Status
Standings
Custom test
Problems
#
Name
1303C
Perfect Keyboard
dfs and similar
,
greedy
,
implementation
1600
x11709
1809C
Sum on Subarrays
constructive algorithms
,
greedy
,
math
1500
x11695
716B
Complete the Word
greedy
,
two pointers
1300
x11688
1108C
Nice Garland
brute force
,
greedy
,
math
1300
x11684
776A
A Serial Killer
brute force
,
implementation
,
strings
900
x11673
931A
Friends Meeting
brute force
,
greedy
,
implementation
,
math
800
x11656
1779C
Least Prefix Sum
data structures
,
greedy
1600
x11649
1256D
Binary String Minimizing
greedy
1500
x11647
1009A
Game Shopping
implementation
800
x11629
382A
Ksenia and Pan Scales
greedy
,
implementation
1100
x11626
1730B
Meeting on the Line
binary search
,
geometry
,
greedy
,
implementation
,
math
,
ternary search
1600
x11617
1555D
Say No to Palindromes
brute force
,
constructive algorithms
,
dp
,
strings
1600
x11612
1255B
Fridge Lockers
graphs
,
implementation
1100
x11609
1509C
The Sports Festival
dp
,
greedy
1800
x11594
1807E
Interview
binary search
,
implementation
,
interactive
1300
x11585
1413B
A New Technique
implementation
1100
x11581
1379A
Acacius and String
brute force
,
implementation
,
strings
1500
x11578
1118B
Tanya and Candies
implementation
1200
x11574
129B
Students and Shoelaces
brute force
,
dfs and similar
,
graphs
,
implementation
1200
x11568
1225B1
TV Subscriptions (Easy Version)
implementation
1000
x11560
764B
Timofey and cubes
constructive algorithms
,
implementation
900
x11558
1493B
Planet Lapituletti
brute force
,
implementation
1300
x11546
1251C
Minimize The Integer
greedy
,
two pointers
1600
x11545
1221B
Knights
constructive algorithms
,
greedy
1100
x11544
1416A
k-Amazing Numbers
binary search
,
data structures
,
implementation
,
two pointers
1500
x11536
1326D1
Prefix-Suffix Palindrome (Easy version)
hashing
,
string suffix structures
,
strings
1500
x11533
611A
New Year and Days
implementation
900
x11533
811A
Vladik and Courtesy
brute force
,
implementation
800
x11532
701B
Cells Not Under Attack
data structures
,
math
1200
x11531
1648A
Weird Sum
combinatorics
,
data structures
,
geometry
,
math
,
matrices
,
sortings
1400
x11527
1299A
Anu Has a Function
brute force
,
greedy
,
math
1500
x11527
1155B
Game with Telephone Numbers
games
,
greedy
,
implementation
1200
x11523
1501A
Alexey and Train
implementation
800
x11505
1569C
Jury Meeting
combinatorics
,
math
1500
x11504
1823C
Strongly Composite
greedy
,
math
,
number theory
1300
x11497
1136B
Nastya Is Playing Computer Games
constructive algorithms
,
math
1000
x11497
1872E
Data Structures Fan
binary search
,
bitmasks
,
data structures
,
dp
1500
x11495
1169A
Circle Metro
implementation
,
math
900
x11492
712A
Memory and Crow
implementation
,
math
800
x11483
1486C1
Guessing the Greatest (easy version)
binary search
,
interactive
1600
x11477
1593E
Gardener and Tree
brute force
,
data structures
,
dfs and similar
,
greedy
,
implementation
,
trees
1600
x11474
1307C
Cow and Message
brute force
,
dp
,
math
,
strings
1500
x11454
1150A
Stock Arbitraging
greedy
,
implementation
800
x11454
1609B
William the Vigilant
implementation
,
strings
1100
x11453
1673C
Palindrome Basis
brute force
,
dp
,
math
,
number theory
1500
x11451
1325D
Ehab the Xorcist
bitmasks
,
constructive algorithms
,
greedy
,
number theory
1700
x11449
486C
Palindrome Transformation
brute force
,
greedy
,
implementation
1700
x11446
1844D
Row Major
constructive algorithms
,
greedy
,
math
,
number theory
,
strings
1400
x11445
1774C
Ice and Fire
constructive algorithms
,
dp
,
greedy
1300
x11445
1080B
Margarite and the best present
math
900
x11445
779C
Dishonest Sellers
constructive algorithms
,
greedy
,
sortings
1200
x11437
1585C
Minimize Distance
greedy
1300
x11424
1130A
Be Positive
implementation
800
x11421
584B
Kolya and Tanya
combinatorics
1500
x11415
1907D
Jumping Through Segments
binary search
,
constructive algorithms
1400
x11413
1516C
Baby Ehab Partitions Again
bitmasks
,
constructive algorithms
,
dp
,
math
1700
x11411
432B
Football Kit
brute force
,
greedy
,
implementation
1200
x11409
322B
Ciel and Flowers
combinatorics
,
math
1600
x11403
1884B
Haunted House
binary search
,
greedy
,
math
,
two pointers
1100
x11394
278A
Circle Line
implementation
800
x11392
1774B
Coloring
constructive algorithms
,
greedy
,
math
1500
x11387
545A
Toy Cars
implementation
900
x11385
545B
Equidistant String
greedy
1100
x11375
659C
Tanya and Toys
greedy
,
implementation
1200
x11358
1608B
Build the Permutation
constructive algorithms
,
greedy
1200
x11355
651B
Beautiful Paintings
greedy
,
sortings
1200
x11345
864A
Fair Game
implementation
,
sortings
1000
x11339
1804C
Pull Your Luck
brute force
,
greedy
,
math
,
number theory
1500
x11331
1920C
Partitioning the Array
brute force
,
math
,
number theory
1600
x11330
577B
Modulo Sum
combinatorics
,
data structures
,
dp
,
two pointers
1900
x11323
1407C
Chocolate Bunny
constructive algorithms
,
interactive
,
math
,
two pointers
1600
x11309
1279C
Stack of Presents
data structures
,
implementation
1400
x11307
1873G
ABBC or BACB
constructive algorithms
,
greedy
1500
x11304
1811E
Living Sequence
binary search
,
dp
,
math
,
number theory
1500
x11303
1220B
Multiplication Table
math
,
number theory
1300
x11303
755C
PolandBall and Forest
dfs and similar
,
dsu
,
graphs
,
interactive
,
trees
1300
x11293
987B
High School: Become Human
math
1100
x11278
1799A
Recent Actions
data structures
,
greedy
,
implementation
,
math
800
x11277
935B
Fafa and the Gates
implementation
900
x11277
601A
The Two Routes
graphs
,
shortest paths
1600
x11276
1842C
Tenzing and Balls
dp
1500
x11270
1228B
Filling the Grid
implementation
,
math
1400
x11267
1857E
Power of Points
math
,
sortings
1500
x11266
910A
The Way to Home
dfs and similar
,
dp
,
greedy
,
implementation
800
x11254
911A
Nearest Minimums
implementation
1100
x11242
583A
Asphalting Roads
implementation
1000
x11237
1015B
Obtaining the String
implementation
1200
x11236
912B
New Year's Eve
bitmasks
,
constructive algorithms
,
number theory
1300
x11229
1839C
Insert Zero and Invert Prefix
constructive algorithms
1300
x11227
1215A
Yellow Cards
greedy
,
implementation
,
math
1000
x11226
702B
Powers of Two
brute force
,
data structures
,
implementation
,
math
1500
x11224
1696C
Fishingprince Plays With Array
constructive algorithms
,
greedy
,
implementation
,
math
1400
x11222
922A
Cloning Toys
implementation
1300
x11222
1481C
Fence Painting
brute force
,
constructive algorithms
,
greedy
1600
x11219
1791F
Range Update Point Query
binary search
,
brute force
,
data structures
1500
x11217
1008B
Turn the Rectangles
greedy
,
sortings
1000
x11214
1305B
Kuroni and Simple Strings
constructive algorithms
,
greedy
,
strings
,
two pointers
1200
x11213
1539D
PriceFixed
binary search
,
greedy
,
implementation
,
sortings
,
two pointers
1600
x11199
1005C
Summarize to the Power of Two
brute force
,
greedy
,
implementation
1300
x11199
616B
Dinner with Emma
games
,
greedy
1000
x11185
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