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CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
27:20:39
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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
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Problems
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Status
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Custom test
Problems
#
Name
1312B
Bogosort
constructive algorithms
,
sortings
1000
x24029
1607C
Minimum Extraction
brute force
,
sortings
1000
x24093
102B
Sum of Digits
implementation
1000
x24200
1941B
Rudolf and 121
brute force
,
dp
,
greedy
,
math
1000
x24393
352A
Jeff and Digits
brute force
,
implementation
,
math
1000
x24416
1358B
Maria Breaks the Self-isolation
greedy
,
sortings
1000
x24498
75A
Life Without Zeros
implementation
1000
x24692
1927C
Choose the Different Ones!
brute force
,
greedy
,
math
1000
x24708
1931C
Make Equal Again
brute force
,
greedy
,
math
1000
x24941
1490B
Balanced Remainders
brute force
,
constructive algorithms
,
math
1000
x25407
1550B
Maximum Cost Deletion
greedy
,
math
1000
x25522
237A
Free Cash
implementation
1000
x25528
1373A
Donut Shops
greedy
,
implementation
,
math
1000
x25552
219A
k-String
implementation
,
strings
1000
x25656
1469B
Red and Blue
dp
,
greedy
1000
x25807
1474B
Different Divisors
binary search
,
constructive algorithms
,
greedy
,
math
,
number theory
1000
x25912
1690D
Black and White Stripe
implementation
,
two pointers
1000
x25988
1791D
Distinct Split
brute force
,
greedy
,
strings
1000
x26050
1469A
Regular Bracket Sequence
constructive algorithms
,
greedy
1000
x26286
1359B
New Theatre Square
brute force
,
dp
,
greedy
,
implementation
,
two pointers
1000
x26927
118B
Present from Lena
constructive algorithms
,
implementation
1000
x28001
1256A
Payment Without Change
math
1000
x28093
139A
Petr and Book
implementation
1000
x28131
766A
Mahmoud and Longest Uncommon Subsequence
constructive algorithms
,
strings
1000
x28431
1359A
Berland Poker
brute force
,
greedy
,
math
1000
x28570
1182A
Filling Shapes
dp
,
math
1000
x28715
1141A
Game 23
implementation
,
math
1000
x29135
1326A
Bad Ugly Numbers
constructive algorithms
,
number theory
1000
x29196
1473B
String LCM
brute force
,
math
,
number theory
,
strings
1000
x29340
688B
Lovely Palindromes
constructive algorithms
,
math
1000
x29844
1520C
Not Adjacent Matrix
constructive algorithms
1000
x30343
766B
Mahmoud and a Triangle
constructive algorithms
,
geometry
,
greedy
,
math
,
number theory
,
sortings
1000
x30539
268B
Buttons
implementation
,
math
1000
x30563
450A
Jzzhu and Children
implementation
1000
x32047
1353C
Board Moves
math
1000
x33910
1476A
K-divisible Sum
binary search
,
constructive algorithms
,
greedy
,
math
1000
x34490
1521A
Nastia and Nearly Good Numbers
constructive algorithms
,
math
,
number theory
1000
x34930
124A
The number of positions
math
1000
x35894
499B
Lecture
implementation
,
strings
1000
x37041
577A
Multiplication Table
implementation
,
number theory
1000
x37658
1342A
Road To Zero
greedy
,
math
1000
x37870
742A
Arpa’s hard exam and Mehrdad’s naive cheat
implementation
,
math
,
number theory
1000
x39276
476A
Dreamoon and Stairs
implementation
,
math
1000
x40596
584A
Olesya and Rodion
math
1000
x42297
1374C
Move Brackets
greedy
,
strings
1000
x42551
379A
New Year Candles
implementation
1000
x44032
500A
New Year Transportation
dfs and similar
,
graphs
,
implementation
1000
x49597
43A
Football
strings
1000
x51134
579A
Raising Bacteria
bitmasks
1000
x55086
339B
Xenia and Ringroad
implementation
1000
x65652
230A
Dragons
greedy
,
sortings
1000
x73144
131A
cAPS lOCK
implementation
,
strings
1000
x80225
479A
Expression
brute force
,
math
1000
x87480
122A
Lucky Division
brute force
,
number theory
1000
x114461
58A
Chat room
greedy
,
strings
1000
x120616
69A
Young Physicist
implementation
,
math
1000
x152929
118A
String Task
implementation
,
strings
1000
x178880
1A
Theatre Square
math
1000
x242544
648A
Наибольший подъем
constructive algorithms
,
implementation
900
x557
1488A
From Zero To Y
*special problem
,
math
900
x1312
130A
Hexagonal numbers
*special problem
,
implementation
900
x1511
1267B
Balls of Buma
900
x3711
1089L
Lazyland
900
x3808
412A
Poster
greedy
,
implementation
900
x4279
299B
Ksusha the Squirrel
brute force
,
implementation
900
x5089
412B
Network Configuration
greedy
,
sortings
900
x5240
48A
Rock-paper-scissors
implementation
,
schedules
900
x5559
1057A
Bmail Computer Network
*special problem
,
dfs and similar
,
trees
900
x5689
45A
Codecraft III
implementation
900
x6236
1666D
Deletive Editing
greedy
900
x6440
847G
University Classes
implementation
900
x6476
793A
Oleg and shares
implementation
,
math
900
x6486
10A
Power Consumption Calculation
implementation
900
x6579
1032A
Kitchen Utensils
900
x6770
137A
Postcards and photos
implementation
900
x6847
267A
Subtractions
math
,
number theory
900
x7021
729A
Interview with Oleg
implementation
,
strings
900
x7224
244A
Dividing Orange
implementation
900
x7700
1468N
Waste Sorting
greedy
,
implementation
900
x7837
653A
Bear and Three Balls
brute force
,
implementation
,
sortings
900
x7874
820A
Mister B and Book Reading
implementation
900
x8003
424A
Squats
implementation
900
x8135
52A
123-sequence
implementation
900
x8166
916A
Jamie and Alarm Snooze
brute force
,
implementation
,
math
900
x8453
834A
The Useless Toy
implementation
900
x8468
747B
Mammoth's Genome Decoding
implementation
,
strings
900
x8488
868A
Bark to Unlock
brute force
,
implementation
,
strings
900
x8490
263B
Squares
greedy
,
implementation
,
sortings
900
x8675
810A
Straight <<A>>
implementation
,
math
900
x8678
765A
Neverending competitions
implementation
,
math
900
x8693
415A
Mashmokh and Lights
implementation
900
x8728
975A
Aramic script
implementation
,
strings
900
x8907
879A
Borya's Diagnosis
implementation
900
x8924
981A
Antipalindrome
brute force
,
implementation
,
strings
900
x8989
376A
Lever
implementation
,
math
900
x8990
246A
Buggy Sorting
constructive algorithms
,
greedy
,
sortings
900
x8995
808A
Lucky Year
implementation
900
x8996
622B
The Time
implementation
900
x9020
631A
Interview
brute force
,
implementation
900
x9093
44A
Indian Summer
implementation
900
x9188
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