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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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Problems
#
Name
1744B
Even-Odd Increments
implementation
,
math
800
x22810
1598A
Computer Game
brute force
,
dfs and similar
,
dp
,
implementation
800
x22771
1647A
Madoka and Math Dad
implementation
,
math
800
x22469
1616A
Integer Diversity
implementation
800
x22430
1739A
Immobile Knight
implementation
800
x22308
1618B
Missing Bigram
implementation
800
x22290
1913A
Rating Increase
implementation
800
x22284
1453A
Cancel the Trains
implementation
800
x22262
999A
Mishka and Contest
brute force
,
implementation
800
x22259
294A
Shaass and Oskols
implementation
,
math
800
x22239
1694A
Creep
greedy
,
implementation
800
x22128
1749A
Cowardly Rooks
greedy
,
implementation
800
x21989
1900A
Cover in Water
constructive algorithms
,
greedy
,
implementation
,
strings
800
x21915
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x21908
716A
Crazy Computer
implementation
800
x21792
1713A
Traveling Salesman Problem
geometry
,
greedy
,
implementation
800
x21666
1146A
Love "A"
implementation
,
strings
800
x21436
1937A
Shuffle Party
implementation
,
math
800
x21427
248A
Cupboards
implementation
800
x21403
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x21349
1061A
Coins
greedy
,
implementation
,
math
800
x21319
1228A
Distinct Digits
brute force
,
implementation
800
x21214
1620A
Equal or Not Equal
constructive algorithms
,
dsu
,
implementation
800
x21209
1006A
Adjacent Replacements
implementation
800
x21172
1108A
Two distinct points
implementation
800
x21166
1230A
Dawid and Bags of Candies
brute force
,
implementation
800
x20993
1300A
Non-zero
implementation
,
math
800
x20680
1698B
Rising Sand
constructive algorithms
,
greedy
,
implementation
800
x20647
746A
Compote
implementation
,
math
800
x20630
38A
Army
implementation
800
x20533
1015A
Points in Segments
implementation
800
x20519
1644B
Anti-Fibonacci Permutation
brute force
,
constructive algorithms
,
implementation
800
x20454
1287A
Angry Students
greedy
,
implementation
800
x20197
1671A
String Building
implementation
800
x20164
1767A
Cut the Triangle
implementation
800
x20143
855A
Tom Riddle's Diary
brute force
,
implementation
,
strings
800
x20138
1411A
In-game Chat
implementation
800
x20135
1658A
Marin and Photoshoot
constructive algorithms
,
implementation
,
math
800
x20131
1200A
Hotelier
brute force
,
data structures
,
implementation
800
x20045
1017A
The Rank
implementation
800
x19991
1623A
Robot Cleaner
brute force
,
implementation
,
math
800
x19888
1681B
Card Trick
implementation
,
math
800
x19828
1836A
Destroyer
implementation
,
sortings
800
x19789
1864A
Increasing and Decreasing
constructive algorithms
,
greedy
,
implementation
,
math
800
x19762
1440A
Buy the String
implementation
,
math
800
x19507
1323A
Even Subset Sum Problem
brute force
,
dp
,
greedy
,
implementation
800
x19373
1798A
Showstopper
greedy
,
implementation
,
sortings
800
x19332
1775A1
Gardener and the Capybaras (easy version)
brute force
,
constructive algorithms
,
implementation
800
x19313
262A
Roma and Lucky Numbers
implementation
800
x19227
1513A
Array and Peaks
constructive algorithms
,
implementation
800
x19182
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19120
1438A
Specific Tastes of Andre
constructive algorithms
,
implementation
800
x19105
1301A
Three Strings
implementation
,
strings
800
x19059
701A
Cards
greedy
,
implementation
800
x18872
1144A
Diverse Strings
implementation
,
strings
800
x18843
867A
Between the Offices
implementation
800
x18762
770A
New Password
*special problem
,
implementation
800
x18761
1602A
Two Subsequences
implementation
800
x18751
780A
Andryusha and Socks
implementation
800
x18614
1796A
Typical Interview Problem
brute force
,
implementation
,
strings
800
x18564
1096A
Find Divisible
greedy
,
implementation
,
math
800
x18417
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18413
1392B
Omkar and Infinity Clock
implementation
,
math
800
x18377
1316A
Grade Allocation
implementation
800
x18376
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18245
92A
Chips
implementation
,
math
800
x18218
1894A
Secret Sport
implementation
,
strings
800
x18104
1680B
Robots
implementation
800
x18075
721A
One-dimensional Japanese Crossword
implementation
800
x18074
1491A
K-th Largest Value
brute force
,
greedy
,
implementation
800
x18038
1678A
Tokitsukaze and All Zero Sequence
implementation
800
x17919
1284A
New Year and Naming
implementation
,
strings
800
x17769
1281A
Suffix Three
implementation
800
x17702
1585A
Life of a Flower
implementation
800
x17505
1863A
Channel
greedy
,
implementation
800
x17436
1091A
New Year and the Christmas Ornament
brute force
,
implementation
,
math
800
x17330
1839A
The Good Array
greedy
,
implementation
,
math
800
x17096
1797A
Li Hua and Maze
constructive algorithms
,
flows
,
graphs
,
greedy
,
implementation
800
x16932
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x16818
1750A
Indirect Sort
constructive algorithms
,
implementation
,
math
800
x16777
918A
Eleven
brute force
,
implementation
800
x16759
1890B
Qingshan Loves Strings
constructive algorithms
,
implementation
800
x16641
615A
Bulbs
implementation
800
x16639
1139A
Even Substrings
implementation
,
strings
800
x16459
1561A
Simply Strange Sort
brute force
,
implementation
,
sortings
800
x16447
1689A
Lex String
brute force
,
greedy
,
implementation
,
sortings
,
two pointers
800
x16380
1820A
Yura's New Name
implementation
,
strings
800
x16350
987A
Infinity Gauntlet
implementation
800
x16248
361A
Levko and Table
constructive algorithms
,
implementation
800
x16194
1668A
Direction Change
implementation
,
math
800
x16150
1136A
Nastya Is Reading a Book
implementation
800
x16125
764A
Taymyr is calling you
brute force
,
implementation
,
math
800
x16039
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x16020
1092A
Uniform String
implementation
800
x15961
1750B
Maximum Substring
brute force
,
greedy
,
implementation
800
x15949
919A
Supermarket
brute force
,
greedy
,
implementation
800
x15898
384A
Coder
implementation
800
x15885
202A
LLPS
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
strings
800
x15877
401A
Vanya and Cards
implementation
,
math
800
x15871
1672A
Log Chopping
games
,
implementation
,
math
800
x15847
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