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brute force
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
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implementation
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matrices
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Problems
#
Name
363B
Fence
brute force
,
dp
1100
x49135
1769B1
Копирование файлов I
*special problem
,
brute force
,
implementation
,
math
1000
x1310
1906A
Easy As ABC
brute force
1000
x3516
120A
Elevator
brute force
,
implementation
,
math
1000
x4497
106B
Choosing Laptop
brute force
,
implementation
1000
x5936
626A
Robot Sequence
brute force
,
implementation
1000
x6144
284B
Cows and Poker Game
brute force
,
implementation
1000
x6658
357A
Group of Students
brute force
,
greedy
,
implementation
1000
x6678
859B
Lazy Security Guard
brute force
,
geometry
,
math
1000
x6738
29A
Spit Problem
brute force
1000
x6822
299A
Ksusha and Array
brute force
,
number theory
,
sortings
1000
x7743
1084A
The Fair Nut and Elevator
brute force
,
implementation
1000
x7812
452A
Eevee
brute force
,
implementation
,
strings
1000
x7896
195A
Let's Watch Football
binary search
,
brute force
,
math
1000
x8478
864B
Polycarp and Letters
brute force
,
implementation
,
strings
1000
x8873
816A
Karen and Morning
brute force
,
implementation
1000
x8892
259A
Little Elephant and Chess
brute force
,
strings
1000
x8926
909A
Generate Login
brute force
,
greedy
,
sortings
1000
x9148
822B
Crossword solving
brute force
,
implementation
,
strings
1000
x9317
1765E
Exchange
brute force
,
math
1000
x9515
886A
ACM ICPC
brute force
1000
x10079
893B
Beautiful Divisors
brute force
,
implementation
1000
x10943
1151A
Maxim and Biology
brute force
,
strings
1000
x10980
1153A
Serval and Bus
brute force
,
math
1000
x11326
535A
Tavas and Nafas
brute force
,
implementation
1000
x11819
122B
Lucky Substring
brute force
,
implementation
1000
x12000
143A
Help Vasilisa the Wise 2
brute force
,
math
1000
x13044
727A
Transformation: from A to B
brute force
,
dfs and similar
,
math
1000
x13198
1781B
Going to the Cinema
brute force
,
greedy
,
sortings
1000
x13219
1930B
Permutation Printing
brute force
,
constructive algorithms
,
math
1000
x13532
761A
Dasha and Stairs
brute force
,
constructive algorithms
,
implementation
,
math
1000
x14329
1732A
Bestie
brute force
,
combinatorics
,
constructive algorithms
,
implementation
,
math
,
number theory
1000
x14409
1784A
Monsters (easy version)
brute force
,
greedy
1000
x14471
1450B
Balls of Steel
brute force
,
geometry
,
greedy
1000
x14874
17A
Noldbach problem
brute force
,
math
,
number theory
1000
x15056
1244B
Rooms and Staircases
brute force
,
implementation
1000
x15115
1278A
Shuffle Hashing
brute force
,
implementation
,
strings
1000
x15706
1598B
Groups
brute force
,
implementation
1000
x15782
1798B
Three Sevens
brute force
,
data structures
,
greedy
,
implementation
1000
x15873
385A
Bear and Raspberry
brute force
,
greedy
,
implementation
1000
x16218
1221A
2048 Game
brute force
,
greedy
,
math
1000
x16312
1704B
Luke is a Foodie
brute force
,
greedy
,
implementation
1000
x16327
462A
Appleman and Easy Task
brute force
,
implementation
1000
x16550
109A
Lucky Sum of Digits
brute force
,
implementation
1000
x16574
1411B
Fair Numbers
brute force
,
number theory
1000
x17780
1671B
Consecutive Points Segment
brute force
,
math
,
sortings
1000
x18113
1251A
Broken Keyboard
brute force
,
strings
,
two pointers
1000
x18806
1195B
Sport Mafia
binary search
,
brute force
,
math
1000
x19038
1562B
Scenes From a Memory
brute force
,
constructive algorithms
,
implementation
,
math
,
number theory
1000
x19165
1020B
Badge
brute force
,
dfs and similar
,
graphs
1000
x20182
1499B
Binary Removals
brute force
,
dp
,
greedy
,
implementation
1000
x20246
1485A
Add and Divide
brute force
,
greedy
,
math
,
number theory
1000
x20798
798A
Mike and palindrome
brute force
,
constructive algorithms
,
strings
1000
x21049
1770A
Koxia and Whiteboards
brute force
,
greedy
1000
x22858
1790C
Premutation
brute force
,
implementation
,
math
1000
x22928
1506C
Double-ended Strings
brute force
,
implementation
,
strings
1000
x23363
1395A
Boboniu Likes to Color Balls
brute force
,
math
1000
x23431
1676D
X-Sum
brute force
,
greedy
,
implementation
1000
x23982
1515B
Phoenix and Puzzle
brute force
,
geometry
,
math
,
number theory
1000
x24125
1829D
Gold Rush
brute force
,
dfs and similar
,
dp
,
implementation
1000
x24143
1607C
Minimum Extraction
brute force
,
sortings
1000
x24317
352A
Jeff and Digits
brute force
,
implementation
,
math
1000
x24612
1927C
Choose the Different Ones!
brute force
,
greedy
,
math
1000
x25476
1490B
Balanced Remainders
brute force
,
constructive algorithms
,
math
1000
x25581
1931C
Make Equal Again
brute force
,
greedy
,
math
1000
x25946
1941B
Rudolf and 121
brute force
,
dp
,
greedy
,
math
1000
x26279
1791D
Distinct Split
brute force
,
greedy
,
strings
1000
x26864
1359B
New Theatre Square
brute force
,
dp
,
greedy
,
implementation
,
two pointers
1000
x27054
1359A
Berland Poker
brute force
,
greedy
,
math
1000
x28747
1473B
String LCM
brute force
,
math
,
number theory
,
strings
1000
x29660
479A
Expression
brute force
,
math
1000
x88573
122A
Lucky Division
brute force
,
number theory
1000
x115968
299B
Ksusha the Squirrel
brute force
,
implementation
900
x5121
653A
Bear and Three Balls
brute force
,
implementation
,
sortings
900
x8003
916A
Jamie and Alarm Snooze
brute force
,
implementation
,
math
900
x8476
868A
Bark to Unlock
brute force
,
implementation
,
strings
900
x8519
981A
Antipalindrome
brute force
,
implementation
,
strings
900
x9040
631A
Interview
brute force
,
implementation
900
x9129
870A
Search for Pretty Integers
brute force
,
implementation
900
x9946
863A
Quasi-palindrome
brute force
,
implementation
900
x9960
776A
A Serial Killer
brute force
,
implementation
,
strings
900
x11826
554A
Kyoya and Photobooks
brute force
,
math
,
strings
900
x12717
841A
Generous Kefa
brute force
,
implementation
900
x12924
948A
Protect Sheep
brute force
,
dfs and similar
,
graphs
,
implementation
900
x13375
914A
Perfect Squares
brute force
,
implementation
,
math
900
x13787
215A
Bicycle Chain
brute force
,
implementation
900
x13902
1732B
Ugu
brute force
,
dp
,
greedy
,
implementation
900
x13997
706A
Beru-taxi
brute force
,
geometry
,
implementation
900
x14249
1313A
Fast Food Restaurant
brute force
,
greedy
,
implementation
900
x15184
1823B
Sort with Step
brute force
,
math
,
sortings
900
x15303
1904A
Forked!
brute force
,
implementation
900
x15774
496A
Minimum Difficulty
brute force
,
implementation
,
math
900
x16094
670A
Holidays
brute force
,
constructive algorithms
,
greedy
,
math
900
x16411
1351B
Square?
brute force
,
implementation
,
math
900
x16440
1808A
Lucky Numbers
brute force
,
implementation
900
x17306
6A
Triangle
brute force
,
geometry
900
x19067
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x20030
1496A
Split it!
brute force
,
constructive algorithms
,
greedy
,
strings
900
x20262
1494A
ABC String
bitmasks
,
brute force
,
implementation
900
x20406
1430A
Number of Apartments
brute force
,
constructive algorithms
,
math
900
x20453
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