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Custom test
Problems
#
Name
898B
Proper Nutrition
brute force
,
implementation
,
number theory
1100
x9303
25B
Phone numbers
implementation
1100
x9341
869A
The Artful Expedient
brute force
,
implementation
1100
x9364
1227A
Math Problem
math
1100
x9477
1132A
Regular Bracket Sequence
greedy
,
implementation
1100
x9492
712B
Memory and Trident
implementation
,
strings
1100
x9639
902A
Visiting a Friend
greedy
,
implementation
1100
x9691
1105B
Zuhair and Strings
brute force
,
implementation
,
strings
1100
x9798
548A
Mike and Fax
brute force
,
implementation
,
strings
1100
x9838
370A
Rook, Bishop and King
graphs
,
math
,
shortest paths
1100
x9934
630D
Hexagons!
math
1100
x9965
110B
Lucky String
constructive algorithms
,
strings
1100
x9965
155B
Combination
greedy
,
sortings
1100
x10026
758B
Blown Garland
brute force
,
implementation
,
number theory
1100
x10065
842B
Gleb And Pizza
geometry
1100
x10068
723B
Text Document Analysis
expression parsing
,
implementation
,
strings
1100
x10077
785B
Anton and Classes
greedy
,
sortings
1100
x10143
558A
Lala Land and Apple Trees
brute force
,
implementation
,
sortings
1100
x10191
596B
Wilbur and Array
greedy
,
implementation
1100
x10203
779B
Weird Rounding
brute force
,
greedy
1100
x10204
1119A
Ilya and a Colorful Walk
greedy
,
implementation
1100
x10427
1214B
Badges
brute force
,
math
1100
x10541
733B
Parade
math
1100
x10596
946B
Weird Subtraction Process
math
,
number theory
1100
x10680
714A
Meeting of Old Friends
implementation
,
math
1100
x10686
630J
Divisibility
math
,
number theory
1100
x10704
877A
Alex and broken contest
implementation
,
strings
1100
x10722
1105A
Salem and Sticks
brute force
,
implementation
1100
x10795
1117A
Best Subsegment
implementation
,
math
1100
x10909
835B
The number on the board
greedy
1100
x10910
755B
PolandBall and Game
binary search
,
data structures
,
games
,
greedy
,
sortings
,
strings
1100
x10946
253A
Boys and Girls
greedy
1100
x10950
1099B
Squares and Segments
binary search
,
constructive algorithms
,
math
1100
x10993
225A
Dice Tower
constructive algorithms
,
greedy
1100
x11125
1166B
All the Vowels Please
constructive algorithms
,
math
,
number theory
1100
x11261
911A
Nearest Minimums
implementation
1100
x11306
987B
High School: Become Human
math
1100
x11421
545B
Equidistant String
greedy
1100
x11433
1609B
William the Vigilant
implementation
,
strings
1100
x11514
1413B
A New Technique
implementation
1100
x11618
1221B
Knights
constructive algorithms
,
greedy
1100
x11629
1255B
Fridge Lockers
graphs
,
implementation
1100
x11688
1884B
Haunted House
binary search
,
greedy
,
math
,
two pointers
1100
x11731
382A
Ksenia and Pan Scales
greedy
,
implementation
1100
x11801
1966B
Rectangle Filling
constructive algorithms
,
implementation
1100
x11862
1030B
Vasya and Cornfield
geometry
1100
x11885
1523B
Lord of the Values
constructive algorithms
1100
x11972
721B
Passwords
implementation
,
math
,
sortings
,
strings
1100
x11983
841B
Godsend
games
,
math
1100
x11985
1415B
Repainting Street
brute force
,
brute force
,
greedy
1100
x12012
534A
Exam
constructive algorithms
,
implementation
,
math
1100
x12049
6B
President's Office
implementation
1100
x12178
1836B
Astrophysicists
greedy
,
math
1100
x12290
633A
Ebony and Ivory
brute force
,
math
,
number theory
1100
x12354
1942B
Bessie and MEX
constructive algorithms
,
math
1100
x12357
1534B
Histogram Ugliness
greedy
,
implementation
,
math
1100
x12377
1670B
Dorms War
brute force
,
implementation
,
strings
1100
x12427
1042A
Benches
binary search
,
implementation
1100
x12521
1787B
Number Factorization
greedy
,
math
,
number theory
1100
x12744
1421B
Putting Bricks in the Wall
constructive algorithms
,
implementation
1100
x12892
581B
Luxurious Houses
implementation
,
math
1100
x12904
1672C
Unequal Array
constructive algorithms
,
greedy
,
implementation
1100
x12942
869B
The Eternal Immortality
math
1100
x12959
1904B
Collecting Game
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1100
x12972
285A
Slightly Decreasing Permutations
greedy
,
implementation
1100
x13116
1038B
Non-Coprime Partition
constructive algorithms
,
math
1100
x13127
471A
MUH and Sticks
implementation
1100
x13338
1902B
Getting Points
binary search
,
brute force
,
greedy
1100
x13382
1863C
MEX Repetition
implementation
,
math
1100
x13428
116B
Little Pigs and Wolves
greedy
,
implementation
1100
x13442
1820B
JoJo's Incredible Adventures
math
,
strings
,
two pointers
1100
x13462
362B
Petya and Staircases
implementation
,
sortings
1100
x13514
1165A
Remainder
implementation
,
math
1100
x13581
160B
Unlucky Ticket
greedy
,
sortings
1100
x13595
259B
Little Elephant and Magic Square
brute force
,
implementation
1100
x13697
427B
Prison Transfer
data structures
,
implementation
1100
x13725
570A
Elections
implementation
1100
x13749
1189B
Number Circle
greedy
,
math
,
sortings
1100
x13768
1566D1
Seating Arrangements (easy version)
data structures
,
greedy
,
sortings
1100
x13787
1602B
Divine Array
constructive algorithms
,
implementation
1100
x13863
1623B
Game on Ranges
brute force
,
dfs and similar
,
implementation
,
sortings
1100
x13911
525A
Vitaliy and Pie
greedy
,
hashing
,
strings
1100
x13915
365B
The Fibonacci Segment
implementation
1100
x14044
1901B
Chip and Ribbon
greedy
,
math
1100
x14064
488A
Giga Tower
brute force
1100
x14066
527A
Playing with Paper
implementation
,
math
1100
x14101
797A
k-Factorization
implementation
,
math
,
number theory
1100
x14114
1066A
Vova and Train
math
1100
x14294
1673B
A Perfectly Balanced String?
brute force
,
greedy
,
strings
1100
x14339
1417B
Two Arrays
greedy
,
math
,
sortings
1100
x14340
1944B
Equal XOR
bitmasks
,
constructive algorithms
1100
x14403
1717B
Madoka and Underground Competitions
constructive algorithms
,
implementation
1100
x14502
1839B
Lamps
greedy
,
sortings
1100
x14509
1869B
2D Traveling
geometry
,
math
,
shortest paths
,
sortings
1100
x14520
1797B
Li Hua and Pattern
constructive algorithms
,
greedy
1100
x14614
1863B
Split Sort
greedy
,
math
,
sortings
1100
x14617
1637B
MEX and Array
brute force
,
dp
,
greedy
,
math
1100
x14620
1726B
Mainak and Interesting Sequence
bitmasks
,
constructive algorithms
,
math
1100
x14682
675A
Infinite Sequence
math
1100
x14762
1864B
Swap and Reverse
constructive algorithms
,
greedy
,
sortings
,
strings
1100
x14796
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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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