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Codeforces Round 1134 (Div. 4)
4 days
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combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
communication
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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Custom test
Problems
#
Name
1006A
Adjacent Replacements
implementation
800
x23184
1005A
Tanya and Stairways
implementation
800
x28962
1003A
Polycarp's Pockets
implementation
800
x30874
1002A1
Generate superposition of all basis states
*special problem
800
x958
999A
Mishka and Contest
brute force
,
implementation
800
x25757
996A
Hit the Lottery
dp
,
greedy
800
x127276
994A
Fingerprints
implementation
800
x15362
992A
Nastya and an Array
implementation
,
sortings
800
x14547
988A
Diverse Team
brute force
,
implementation
800
x29429
987A
Infinity Gauntlet
implementation
800
x17757
984A
Game
sortings
800
x21017
978B
File Name
greedy
,
strings
800
x42034
978A
Remove Duplicates
implementation
800
x32409
977A
Wrong Subtraction
implementation
800
x235002
976A
Minimum Binary Number
implementation
800
x11079
965A
Paper Airplanes
math
800
x10567
964A
Splits
math
800
x10479
959A
Mahmoud and Ehab and the even-odd game
games
,
math
800
x57513
954A
Diagonal Walking
implementation
800
x11214
952A
Quirky Quantifiers
*special problem
,
math
800
x12152
950A
Left-handers, Right-handers and Ambidexters
implementation
,
math
800
x16620
946A
Partition
greedy
800
x18573
939A
Love Triangle
graphs
800
x31197
938A
Word Correction
implementation
800
x12204
937A
Olympiad
implementation
,
sortings
800
x16843
935A
Fafa and his Company
brute force
,
implementation
800
x48377
932A
Palindromic Supersequence
constructive algorithms
800
x11050
931A
Friends Meeting
brute force
,
greedy
,
implementation
,
math
800
x13262
919A
Supermarket
brute force
,
greedy
,
implementation
800
x17100
918A
Eleven
brute force
,
implementation
800
x18565
912A
Tricky Alchemy
implementation
800
x14592
910A
The Way to Home
dfs and similar
,
dp
,
greedy
,
implementation
800
x15498
908A
New Year and Counting Cards
brute force
,
implementation
800
x16055
900A
Find Extra One
geometry
,
implementation
800
x15250
899A
Splitting in Teams
constructive algorithms
,
greedy
,
math
800
x11234
898A
Rounding
implementation
,
math
800
x17839
897A
Scarborough Fair
implementation
800
x15287
894A
QAQ
brute force
,
dp
800
x40517
888A
Local Extrema
brute force
,
implementation
800
x12263
884A
Book Reading
implementation
800
x11519
873A
Chores
implementation
800
x10806
867A
Between the Offices
implementation
800
x21063
859A
Declined Finalists
greedy
,
implementation
800
x8748
855A
Tom Riddle's Diary
brute force
,
implementation
,
strings
800
x29295
854A
Fraction
brute force
,
constructive algorithms
,
math
800
x14789
851A
Arpa and a research in Mexican wave
implementation
,
math
800
x10407
837A
Text Volume
implementation
800
x10379
835A
Key races
math
800
x22189
832A
Sasha and Sticks
games
,
math
800
x22448
831B
Keyboard Layouts
implementation
,
strings
800
x15933
822A
I'm bored with life
implementation
,
math
,
number theory
800
x38174
821A
Okabe and Future Gadget Laboratory
implementation
800
x9080
818A
Diplomas and Certificates
implementation
,
math
800
x8086
811A
Vladik and Courtesy
brute force
,
implementation
800
x12507
802G1
Fake News (easy)
implementation
,
strings
800
x8368
796A
Buying A House
brute force
,
implementation
800
x13970
794A
Bank Robbery
brute force
,
implementation
800
x8103
791A
Bear and Big Brother
implementation
800
x278663
785A
Anton and Polyhedrons
implementation
,
strings
800
x117187
780A
Andryusha and Socks
implementation
800
x23628
770A
New Password
*special problem
,
implementation
800
x22143
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x6552
764A
Taymyr is calling you
brute force
,
implementation
,
math
800
x17304
760A
Petr and a calendar
implementation
,
math
800
x8740
758A
Holiday Of Equality
implementation
,
math
800
x78751
755A
PolandBall and Hypothesis
brute force
,
graphs
,
math
,
number theory
800
x20467
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x98027
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x59131
748A
Santa Claus and a Place in a Class
implementation
,
math
800
x9419
747A
Display Size
brute force
,
math
800
x11428
746A
Compote
implementation
,
math
800
x24301
735A
Ostap and Grasshopper
implementation
,
strings
800
x13303
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x32574
734A
Anton and Danik
implementation
,
strings
800
x210056
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x94123
731A
Night at the Museum
implementation
,
strings
800
x55087
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x107133
721A
One-dimensional Japanese Crossword
implementation
800
x19562
716A
Crazy Computer
implementation
800
x24365
712A
Memory and Crow
implementation
,
math
800
x12801
711A
Bus to Udayland
brute force
,
implementation
800
x31292
710A
King Moves
implementation
800
x15091
707A
Brain's Photos
implementation
800
x57381
705A
Hulk
implementation
800
x140113
703A
Mishka and Game
implementation
800
x69655
702A
Maximum Increase
dp
,
greedy
,
implementation
800
x58214
701A
Cards
greedy
,
implementation
800
x21495
688A
Opponents
implementation
800
x14974
686A
Free Ice Cream
constructive algorithms
,
implementation
800
x45030
681A
A Good Contest
implementation
800
x17045
680A
Bear and Five Cards
constructive algorithms
,
implementation
800
x13522
678A
Johny Likes Numbers
implementation
,
math
800
x15700
677A
Vanya and Fence
implementation
800
x193474
676A
Nicholas and Permutation
constructive algorithms
,
implementation
800
x14980
673A
Bear and Game
implementation
800
x11019
672A
Summer Camp
implementation
800
x16874
669A
Little Artem and Presents
math
800
x11867
664A
Complicated GCD
math
,
number theory
800
x22842
658A
Bear and Reverse Radewoosh
implementation
800
x7834
648B
Собери стол
constructive algorithms
,
sortings
800
x2261
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