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Pinely Round 4 (Div. 1 + Div. 2)
08:06:41
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Difficulty:
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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
Standings
Custom test
Problems
#
Name
597B
Restaurant
dp
,
greedy
,
sortings
1600
x4724
597A
Divisibility
math
1600
x4450
596C
Wilbur and Points
combinatorics
,
greedy
,
sortings
1700
x2242
595B
Pasha and Phone
binary search
,
math
1600
x2902
593B
Anton and Lines
geometry
,
sortings
1600
x3962
592C
The Big Race
math
1800
x3052
590A
Median Smoothing
implementation
1700
x3906
588B
Duff in Love
math
1300
x13964
587A
Duff and Weight Lifting
greedy
1500
x7450
586B
Laurenty and Shop
implementation
1300
x5134
585B
Phillip and Trains
dfs and similar
,
graphs
,
shortest paths
1700
x3507
585A
Gennady the Dentist
brute force
,
implementation
1800
x4312
584D
Dima and Lisa
brute force
,
math
,
number theory
1800
x9127
584C
Marina and Vasya
constructive algorithms
,
greedy
,
strings
1700
x6156
584B
Kolya and Tanya
combinatorics
1500
x11808
582B
Once Again...
constructive algorithms
,
dp
,
matrices
1900
x3406
582A
GCD Table
constructive algorithms
,
greedy
,
number theory
1700
x7641
581D
Three Logos
bitmasks
,
brute force
,
constructive algorithms
,
geometry
,
implementation
,
math
1700
x3558
581C
Developing Skills
implementation
,
math
,
sortings
1400
x7284
580D
Kefa and Dishes
bitmasks
,
dp
1800
x9418
580C
Kefa and Park
dfs and similar
,
graphs
,
trees
1500
x41391
580B
Kefa and Company
binary search
,
sortings
,
two pointers
1500
x25698
579B
Finding Team Member
brute force
,
implementation
,
sortings
1300
x5236
578B
"Or" Game
brute force
,
greedy
1700
x5137
578A
A Problem about Polyline
geometry
,
math
1700
x4709
577B
Modulo Sum
combinatorics
,
data structures
,
dp
,
two pointers
1900
x11845
576A
Vasya and Petya's Game
math
,
number theory
1500
x13591
575H
Bots
combinatorics
,
dp
,
math
,
number theory
1800
x1659
575D
Tablecity
constructive algorithms
,
implementation
1700
x1818
574B
Bear and Three Musketeers
brute force
,
dfs and similar
,
graphs
,
hashing
1500
x7709
573B
Bear and Blocks
binary search
,
data structures
,
dp
,
math
1600
x5746
573A
Bear and Poker
implementation
,
math
,
number theory
1300
x16420
572B
Order Book
data structures
,
greedy
,
implementation
,
sortings
1300
x6816
570C
Replacement
constructive algorithms
,
data structures
,
implementation
1600
x9086
570B
Simple Game
constructive algorithms
,
games
,
greedy
,
implementation
,
math
1300
x15983
569A
Music
implementation
,
math
1500
x4770
568B
Symmetric and Transitive
combinatorics
,
dp
,
math
1900
x2227
568A
Primes or Palindromes?
brute force
,
implementation
,
math
,
number theory
1600
x5027
567D
One-Dimensional Battle Ships
binary search
,
data structures
,
greedy
,
sortings
1700
x4717
567C
Geometric Progression
binary search
,
data structures
,
dp
1700
x9366
567B
Berland National Library
implementation
1300
x8373
566F
Clique in the Divisibility Graph
dp
,
math
,
number theory
1500
x3571
566D
Restructuring Company
data structures
,
dsu
1900
x3163
559B
Equivalent Strings
divide and conquer
,
hashing
,
sortings
,
strings
1700
x10527
559A
Gerald's Hexagon
brute force
,
geometry
,
math
1600
x10349
558C
Amr and Chemistry
brute force
,
graphs
,
greedy
,
math
,
shortest paths
1900
x3957
558B
Amr and The Large Array
implementation
1300
x7798
557C
Arthur and Table
brute force
,
data structures
,
dp
,
greedy
,
math
,
sortings
1900
x3958
557B
Pasha and Tea
constructive algorithms
,
implementation
,
math
,
sortings
1500
x7120
555A
Case of Matryoshkas
implementation
1500
x6511
553B
Kyoya and Permutation
binary search
,
combinatorics
,
constructive algorithms
,
greedy
,
implementation
,
math
1900
x2103
553A
Kyoya and Colored Balls
combinatorics
,
dp
,
math
1500
x8512
552D
Vanya and Triangles
brute force
,
combinatorics
,
data structures
,
geometry
,
math
,
sortings
1900
x4396
552C
Vanya and Scales
brute force
,
dp
,
greedy
,
math
,
meet-in-the-middle
,
number theory
1900
x5440
551B
ZgukistringZ
brute force
,
constructive algorithms
,
implementation
,
strings
1800
x3780
550D
Regular Bridge
constructive algorithms
,
graphs
,
implementation
1900
x3271
550C
Divisibility by Eight
brute force
,
dp
,
math
1500
x27920
550B
Preparing Olympiad
bitmasks
,
brute force
1400
x20324
550A
Two Substrings
brute force
,
dp
,
greedy
,
implementation
,
strings
1500
x37152
549D
Haar Features
greedy
,
implementation
1900
x2133
548B
Mike and Fun
brute force
,
dp
,
greedy
,
implementation
1400
x8356
547B
Mike and Feet
binary search
,
data structures
,
dp
,
dsu
1900
x8442
546D
Soldier and Number Game
constructive algorithms
,
dp
,
math
,
number theory
1700
x11537
546C
Soldier and Cards
brute force
,
dfs and similar
,
games
1400
x17303
545D
Queue
greedy
,
implementation
,
sortings
1300
x24552
545C
Woodcutters
dp
,
greedy
1500
x27195
544B
Sea and Islands
constructive algorithms
,
implementation
1400
x7907
543A
Writing Code
dp
1800
x7804
540D
Bad Luck Island
dp
,
probabilities
1900
x5340
540B
School Marks
greedy
,
implementation
1700
x4632
538D
Weird Chess
brute force
,
constructive algorithms
,
implementation
1800
x2416
538C
Tourist's Notes
binary search
,
brute force
,
greedy
,
implementation
,
math
1600
x5779
538B
Quasi Binary
constructive algorithms
,
dp
,
greedy
,
implementation
1400
x17810
538A
Cutting Banner
brute force
,
implementation
1400
x7094
535D
Tavas and Malekas
greedy
,
hashing
,
string suffix structures
,
strings
1900
x3895
535C
Tavas and Karafs
binary search
,
greedy
,
math
1900
x3755
534D
Handshakes
binary search
,
constructive algorithms
,
data structures
,
greedy
1900
x2383
534C
Polycarpus' Dice
math
1600
x4961
534B
Covered Path
dp
,
greedy
,
math
1400
x10058
533E
Correcting Mistakes
constructive algorithms
,
dp
,
greedy
,
hashing
,
strings
,
two pointers
1800
x2244
533C
Board Game
games
,
greedy
,
implementation
,
math
1700
x2175
530E
Sum and product
*special problem
1700
x305
530D
Set subtraction
*special problem
1600
x451
530C
Diophantine equation
*special problem
1500
x546
530B
String inside out
*special problem
1600
x541
530A
Quadratic equation
*special problem
1500
x673
529B
Group Photo 2 (online mirror version)
brute force
,
greedy
,
sortings
1900
x856
527D
Clique Problem
data structures
,
dp
,
greedy
,
implementation
,
sortings
1800
x4699
527C
Glass Carving
binary search
,
data structures
,
implementation
1500
x6737
527B
Error Correct System
greedy
1500
x3861
526B
Om Nom and Dark Park
dfs and similar
,
greedy
,
implementation
1400
x4476
526A
King of Thieves
brute force
,
implementation
1300
x4742
525C
Ilya and Sticks
greedy
,
math
,
sortings
1600
x5769
525B
Pasha and String
constructive algorithms
,
greedy
,
math
,
strings
1400
x9280
524C
The Art of Dealing with ATM
binary search
,
sortings
1900
x2029
524B
Фото на память - 2 (round version)
dp
,
greedy
1700
x1451
524A
Возможно, вы знаете этих людей?
implementation
1600
x1396
523D
Statistics of Recompressing Videos
*special problem
,
data structures
,
implementation
1600
x2275
523C
Name Quest
*special problem
,
greedy
1400
x2481
523B
Mean Requests
*special problem
,
implementation
1500
x945
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