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Codeforces Round 946 (Div. 3)
36:53:58
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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
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
1969B
Shifts and Sorting
constructive algorithms
,
greedy
1000
x14433
1266B
Dice Tower
constructive algorithms
,
math
1000
x14363
761A
Dasha and Stairs
brute force
,
constructive algorithms
,
implementation
,
math
1000
x14339
1825B
LuoTianyi and the Table
greedy
,
math
1000
x14196
1260A
Heating
math
1000
x14185
1199A
City Day
implementation
1000
x14166
1245A
Good ol' Numbers Coloring
math
,
number theory
1000
x13899
114A
Cifera
math
1000
x13870
389A
Fox and Number Game
greedy
,
math
1000
x13849
1117B
Emotes
greedy
,
math
,
sortings
1000
x13839
1804B
Vaccination
greedy
,
implementation
1000
x13805
1248A
Integer Points
geometry
,
math
1000
x13770
1041B
Buying a TV Set
math
1000
x13732
499A
Watching a movie
greedy
,
implementation
1000
x13732
1930B
Permutation Printing
brute force
,
constructive algorithms
,
math
1000
x13709
1197B
Pillars
greedy
,
implementation
1000
x13650
1155A
Reverse a Substring
implementation
,
sortings
,
strings
1000
x13602
979A
Pizza, Pizza, Pizza!!!
math
1000
x13445
137B
Permutation
greedy
1000
x13320
1781B
Going to the Cinema
brute force
,
greedy
,
sortings
1000
x13246
727A
Transformation: from A to B
brute force
,
dfs and similar
,
math
1000
x13239
1181A
Chunga-Changa
greedy
,
math
1000
x13135
1584B
Coloring Rectangles
greedy
,
math
1000
x13095
143A
Help Vasilisa the Wise 2
brute force
,
math
1000
x13086
1761B
Elimination of a Ring
constructive algorithms
,
greedy
,
implementation
1000
x13025
1033A
King Escape
dfs and similar
,
graphs
,
implementation
1000
x12991
1277A
Happy Birthday, Polycarp!
implementation
1000
x12964
1802B
Settlement of Guinea Pigs
greedy
,
implementation
,
math
1000
x12925
157B
Trace
geometry
,
sortings
1000
x12867
1765M
Minimum LCM
math
,
number theory
1000
x12791
1195A
Drinks Choosing
greedy
,
math
1000
x12528
1059A
Cashier
implementation
1000
x12441
1088B
Ehab and subtraction
implementation
,
sortings
1000
x12383
1140A
Detective Book
implementation
1000
x12072
122B
Lucky Substring
brute force
,
implementation
1000
x12018
535A
Tavas and Nafas
brute force
,
implementation
1000
x11830
1725B
Basketball Together
binary search
,
greedy
,
sortings
1000
x11787
1225B1
TV Subscriptions (Easy Version)
implementation
1000
x11610
1136B
Nastya Is Playing Computer Games
constructive algorithms
,
math
1000
x11537
864A
Fair Game
implementation
,
sortings
1000
x11537
1153A
Serval and Bus
brute force
,
math
1000
x11334
616B
Dinner with Emma
games
,
greedy
1000
x11311
1215A
Yellow Cards
greedy
,
implementation
,
math
1000
x11269
583A
Asphalting Roads
implementation
1000
x11260
1008B
Turn the Rectangles
greedy
,
sortings
1000
x11246
757A
Gotta Catch Em' All!
implementation
1000
x11094
887A
Div. 64
implementation
1000
x11022
1151A
Maxim and Biology
brute force
,
strings
1000
x10990
670B
Game of Robots
implementation
1000
x10989
893B
Beautiful Divisors
brute force
,
implementation
1000
x10981
1023B
Pair of Toys
math
1000
x10631
990A
Commentary Boxes
implementation
,
math
1000
x10450
1073B
Vasya and Books
implementation
,
math
1000
x10430
844A
Diversity
greedy
,
implementation
,
strings
1000
x10423
991A
If at first you don't succeed...
implementation
1000
x10394
939B
Hamster Farm
implementation
1000
x10230
465B
Inbox (100500)
implementation
1000
x10224
886A
ACM ICPC
brute force
1000
x10095
777A
Shell Game
constructive algorithms
,
implementation
,
math
1000
x10051
831A
Unimodal Array
implementation
1000
x10045
1036A
Function Height
math
1000
x10040
1100A
Roman and Browser
implementation
1000
x10037
435A
Queue on Bus Stop
implementation
1000
x9985
691A
Fashion in Berland
implementation
1000
x9911
336A
Vasily the Bear and Triangle
implementation
,
math
1000
x9878
652B
z-sort
sortings
1000
x9873
1765E
Exchange
brute force
,
math
1000
x9561
888B
Buggy Robot
greedy
1000
x9539
862A
Mahmoud and Ehab and the MEX
greedy
,
implementation
1000
x9375
1040A
Palindrome Dance
greedy
1000
x9339
552A
Vanya and Table
implementation
,
math
1000
x9337
822B
Crossword solving
brute force
,
implementation
,
strings
1000
x9326
5A
Chat Servers Outgoing Traffic
implementation
1000
x9273
779A
Pupils Redistribution
constructive algorithms
,
math
1000
x9230
620B
Grandfather Dovlet’s calculator
implementation
1000
x9215
998A
Balloons
constructive algorithms
,
implementation
1000
x9193
108A
Palindromic Times
implementation
,
strings
1000
x9190
909A
Generate Login
brute force
,
greedy
,
sortings
1000
x9162
608A
Saitama Destroys Hotel
implementation
,
math
1000
x9150
622A
Infinite Sequence
implementation
,
math
1000
x9110
259A
Little Elephant and Chess
brute force
,
strings
1000
x8943
849A
Odds and Ends
implementation
1000
x8938
816A
Karen and Morning
brute force
,
implementation
1000
x8905
864B
Polycarp and Letters
brute force
,
implementation
,
strings
1000
x8892
1020A
New Building for SIS
math
1000
x8871
604A
Uncowed Forces
implementation
1000
x8859
753A
Santa Claus and Candies
dp
,
greedy
,
math
1000
x8778
195A
Let's Watch Football
binary search
,
brute force
,
math
1000
x8494
359A
Table
constructive algorithms
,
greedy
,
implementation
1000
x8384
56A
Bar
implementation
1000
x8346
127B
Canvas Frames
implementation
1000
x8224
322A
Ciel and Dancing
greedy
1000
x8092
452A
Eevee
brute force
,
implementation
,
strings
1000
x7905
1084A
The Fair Nut and Elevator
brute force
,
implementation
1000
x7823
886B
Vlad and Cafes
1000
x7785
299A
Ksusha and Array
brute force
,
number theory
,
sortings
1000
x7762
920A
Water The Garden
implementation
1000
x7607
106A
Card Game
implementation
1000
x7425
368A
Sereja and Coat Rack
implementation
1000
x7376
13A
Numbers
implementation
,
math
1000
x7376
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