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Custom test
Problems
#
Name
234G
Practice
constructive algorithms
,
divide and conquer
,
implementation
1600
x1454
36B
Fractal
implementation
1600
x1421
524A
Возможно, вы знаете этих людей?
implementation
1600
x1392
175C
Geometry Horse
greedy
,
implementation
,
sortings
,
two pointers
1600
x1288
139B
Wallpaper
implementation
,
math
1600
x1274
774K
Stepan and Vowels
*special problem
,
implementation
,
strings
1600
x1256
411B
Multi-core Processor
implementation
1600
x1253
171F
ucyhf
*special problem
,
brute force
,
implementation
,
number theory
1600
x1247
32D
Constellation
implementation
1600
x1239
753B
Interactive Bulls and Cows (Easy)
brute force
,
constructive algorithms
,
implementation
1600
x1172
57B
Martian Architecture
implementation
1600
x987
234E
Champions' League
implementation
1600
x984
28A
Bender Problem
implementation
1600
x769
1431C
Black Friday
*special problem
,
implementation
1600
x698
1910C
Poisonous Swamp
*special problem
,
*special problem
,
implementation
,
implementation
1600
x585
649D
Дефрагментация памяти
constructive algorithms
,
greedy
,
implementation
1600
x342
64C
Table
*special problem
,
greedy
,
implementation
,
math
1600
x331
188G
Array Sorting
*special problem
,
implementation
1600
x325
72H
Reverse It!
*special problem
,
implementation
1600
x259
1365D
Solve The Maze
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
greedy
,
implementation
,
shortest paths
1700
x16187
467C
George and Job
dp
,
implementation
1700
x14112
349B
Color the Fence
data structures
,
dp
,
greedy
,
implementation
1700
x13508
276D
Little Girl and Maximum XOR
bitmasks
,
dp
,
greedy
,
implementation
,
math
1700
x13013
1381A2
Prefix Flip (Hard Version)
constructive algorithms
,
data structures
,
implementation
,
strings
,
two pointers
1700
x12762
1324E
Sleeping Schedule
dp
,
implementation
1700
x12612
1474C
Array Destruction
brute force
,
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
1700
x12222
1333C
Eugene and an array
binary search
,
data structures
,
implementation
,
two pointers
1700
x12184
486C
Palindrome Transformation
brute force
,
greedy
,
implementation
1700
x11511
1467B
Hills And Valleys
brute force
,
implementation
1700
x10721
1626C
Monsters And Spells
binary search
,
data structures
,
dp
,
greedy
,
implementation
,
math
,
two pointers
1700
x10625
1550C
Manhattan Subarrays
brute force
,
geometry
,
greedy
,
implementation
1700
x9948
1478C
Nezzar and Symmetric Array
implementation
,
math
,
sortings
1700
x9496
385C
Bear and Prime Numbers
binary search
,
brute force
,
data structures
,
dp
,
implementation
,
math
,
number theory
1700
x9393
1473D
Program
data structures
,
dp
,
implementation
,
strings
1700
x9334
1462E2
Close Tuples (hard version)
binary search
,
combinatorics
,
implementation
,
math
,
sortings
,
two pointers
1700
x9225
1619E
MEX and Increments
constructive algorithms
,
data structures
,
dp
,
greedy
,
implementation
,
math
,
sortings
1700
x8709
1598D
Training Session
combinatorics
,
data structures
,
geometry
,
implementation
,
math
1700
x8413
1476D
Journey
dfs and similar
,
dp
,
dsu
,
implementation
1700
x8396
1061C
Multiplicity
data structures
,
dp
,
implementation
,
math
,
number theory
1700
x8383
1715C
Monoblock
combinatorics
,
data structures
,
implementation
,
math
1700
x8351
1268A
Long Beautiful Integer
constructive algorithms
,
greedy
,
implementation
,
strings
1700
x8290
382C
Arithmetic Progression
implementation
,
sortings
1700
x8163
279C
Ladder
dp
,
implementation
,
two pointers
1700
x8051
1491C
Pekora and Trampoline
brute force
,
data structures
,
dp
,
greedy
,
implementation
1700
x7725
1950F
0, 1, 2, Tree!
bitmasks
,
brute force
,
greedy
,
implementation
,
trees
1700
x7671
1278C
Berry Jam
data structures
,
dp
,
greedy
,
implementation
1700
x7611
1850H
The Third Letter
dfs and similar
,
dsu
,
graphs
,
greedy
,
implementation
1700
x7548
1835A
k-th equality
brute force
,
implementation
,
math
1700
x7463
1114C
Trailing Loves (or L'oeufs?)
brute force
,
implementation
,
math
,
number theory
1700
x7256
1955E
Long Inversions
brute force
,
greedy
,
implementation
,
sortings
1700
x7218
1203D2
Remove the Substring (hard version)
binary search
,
greedy
,
implementation
,
two pointers
1700
x7118
1660F1
Promising String (easy version)
brute force
,
implementation
,
math
,
strings
1700
x7007
1644D
Cross Coloring
data structures
,
implementation
,
math
1700
x6998
1833F
Ira and Flamenco
combinatorics
,
constructive algorithms
,
data structures
,
implementation
,
math
,
sortings
,
two pointers
1700
x6733
1722F
L-shapes
dfs and similar
,
implementation
1700
x6566
1868B1
Candy Party (Easy Version)
bitmasks
,
constructive algorithms
,
graphs
,
greedy
,
implementation
,
math
1700
x6471
1313B
Different Rules
constructive algorithms
,
greedy
,
implementation
,
math
1700
x6461
1000C
Covered Points Count
data structures
,
implementation
,
sortings
1700
x6444
1185D
Extra Element
implementation
,
math
1700
x6433
1413D
Shurikens
data structures
,
greedy
,
implementation
1700
x6340
622C
Not Equal on a Segment
data structures
,
implementation
1700
x6210
1901D
Yet Another Monster Fight
binary search
,
dp
,
greedy
,
implementation
,
math
1700
x6204
1111B
Average Superhero Gang Power
brute force
,
implementation
,
math
1700
x6185
216B
Forming Teams
dfs and similar
,
implementation
1700
x6103
1969C
Minimizing the Sum
dp
,
implementation
1700
x6080
1292B
Aroma's Search
brute force
,
constructive algorithms
,
geometry
,
greedy
,
implementation
1700
x6031
1066E
Binary Numbers AND Sum
data structures
,
implementation
,
math
1700
x6016
1672D
Cyclic Rotation
constructive algorithms
,
greedy
,
implementation
,
two pointers
1700
x5992
1453C
Triangles
greedy
,
implementation
1700
x5981
20A
BerOS file system
implementation
1700
x5950
1807F
Bouncy Ball
brute force
,
dfs and similar
,
implementation
1700
x5904
1006D
Two Strings Swaps
implementation
1700
x5853
1118C
Palindromic Matrix
constructive algorithms
,
implementation
1700
x5650
815A
Karen and Game
brute force
,
greedy
,
implementation
1700
x5575
625A
Guest From the Past
implementation
,
math
1700
x5354
1085D
Minimum Diameter Tree
constructive algorithms
,
implementation
,
trees
1700
x5304
1280A
Cut and Paste
implementation
,
math
1700
x5162
1254A
Feeding Chicken
constructive algorithms
,
greedy
,
implementation
1700
x4992
1670D
Very Suspicious
binary search
,
brute force
,
geometry
,
greedy
,
implementation
,
math
1700
x4958
479D
Long Jumps
binary search
,
greedy
,
implementation
1700
x4706
540B
School Marks
greedy
,
implementation
1700
x4609
29C
Mail Stamps
data structures
,
dfs and similar
,
graphs
,
implementation
1700
x4568
983A
Finite or not?
implementation
,
math
1700
x4453
789B
Masha and geometric depression
brute force
,
implementation
,
math
1700
x4344
718A
Efim and Strange Grade
dp
,
implementation
,
math
1700
x4324
936A
Save Energy!
binary search
,
implementation
,
math
1700
x4321
507C
Guess Your Way Out!
implementation
,
math
,
trees
1700
x4278
978G
Petya's Exams
greedy
,
implementation
,
sortings
1700
x4205
617D
Polyline
constructive algorithms
,
implementation
1700
x4138
1118E
Yet Another Ball Problem
constructive algorithms
,
implementation
1700
x4039
1677B
Tokitsukaze and Meeting
data structures
,
implementation
,
math
1700
x4018
590A
Median Smoothing
implementation
1700
x3893
960C
Subsequence Counting
bitmasks
,
constructive algorithms
,
greedy
,
implementation
1700
x3858
758C
Unfair Poll
binary search
,
constructive algorithms
,
implementation
,
math
1700
x3822
439C
Devu and Partitioning of the Array
brute force
,
constructive algorithms
,
implementation
,
number theory
1700
x3797
990D
Graph And Its Complement
constructive algorithms
,
graphs
,
implementation
1700
x3757
954C
Matrix Walk
implementation
1700
x3738
734D
Anton and Chess
implementation
1700
x3682
1580A
Portal
brute force
,
data structures
,
dp
,
greedy
,
implementation
1700
x3564
321A
Ciel and Robot
binary search
,
implementation
,
math
1700
x3551
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implementation
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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