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Codeforces Round 943 (Div. 3)
09:55:14
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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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Problems
#
Name
1773E
Easy Assembly
greedy
,
sortings
1400
x4639
111A
Petya and Inequiations
greedy
1400
x4618
417C
Football
constructive algorithms
,
graphs
,
implementation
1400
x4606
652A
Gabriel and Caterpillar
implementation
,
math
1400
x4552
748C
Santa Claus and Robot
constructive algorithms
,
math
1400
x4539
197B
Limit
math
1400
x4536
526B
Om Nom and Dark Park
dfs and similar
,
greedy
,
implementation
1400
x4467
60B
Serial Time!
dfs and similar
,
dsu
1400
x4435
802J
Send the Fool Further! (easy)
dfs and similar
,
graphs
,
trees
1400
x4271
865A
Save the problem!
constructive algorithms
1400
x4138
270B
Multithreading
data structures
,
greedy
,
implementation
1400
x4076
198B
Jumping on Walls
shortest paths
1400
x4076
8B
Obsession with Robots
constructive algorithms
,
graphs
,
implementation
1400
x4070
1250A
Berstagram
implementation
1400
x4022
907B
Tic-Tac-Toe
implementation
1400
x4006
272B
Dima and Sequence
implementation
,
math
1400
x3912
226A
Flying Saucer Segments
math
1400
x3902
632B
Alice, Bob, Two Teams
brute force
,
constructive algorithms
1400
x3889
41B
Martian Dollar
brute force
1400
x3853
1600J
Robot Factory
bitmasks
,
dfs and similar
1400
x3771
124B
Permutations
brute force
,
combinatorics
,
implementation
1400
x3747
641B
Little Artem and Matrix
implementation
1400
x3733
745B
Hongcow Solves A Puzzle
implementation
1400
x3702
402B
Trees in a Row
brute force
,
implementation
1400
x3686
868B
Race Against Time
implementation
1400
x3629
430B
Balls Game
brute force
,
two pointers
1400
x3626
513B1
Permutations
brute force
1400
x3575
334B
Eight Point Sets
sortings
1400
x3542
120F
Spiders
dp
,
greedy
,
trees
1400
x3507
665B
Shopping
brute force
1400
x3476
630L
Cracking the Code
implementation
,
math
1400
x3445
228B
Two Tables
brute force
,
implementation
1400
x3430
30A
Accounting
brute force
,
math
1400
x3310
245E
Mishap in Club
greedy
,
implementation
1400
x3221
286A
Lucky Permutation
constructive algorithms
,
math
1400
x3102
436B
Om Nom and Spiders
implementation
,
math
1400
x3041
1046C
Space Formula
greedy
1400
x3035
290A
Mysterious strings
*special problem
,
implementation
1400
x2943
159C
String Manipulation 1.0
*special problem
,
binary search
,
brute force
,
data structures
,
strings
1400
x2918
42A
Guilty --- to the kitchen!
greedy
,
implementation
1400
x2743
1046F
Splitting money
implementation
1400
x2725
120E
Put Knight!
games
,
math
1400
x2644
125A
Measuring Lengths in Baden
math
1400
x2634
19A
World Football Cup
implementation
1400
x2578
335A
Banana
binary search
,
constructive algorithms
,
greedy
1400
x2509
929A
Прокат велосипедов
*special problem
,
greedy
,
implementation
1400
x2491
928B
Chat
*special problem
,
dp
1400
x2489
523C
Name Quest
*special problem
,
greedy
1400
x2466
159A
Friends or Not
*special problem
,
greedy
,
implementation
1400
x2454
108B
Datatypes
math
,
sortings
1400
x2414
637C
Promocodes with Mistakes
*special problem
,
brute force
,
constructive algorithms
,
implementation
1400
x2409
175A
Robot Bicorn Attack
brute force
,
implementation
1400
x2334
413C
Jeopardy!
greedy
,
math
1400
x2303
45I
TCMCF+++
greedy
1400
x2301
174B
File List
dp
,
greedy
,
implementation
1400
x2189
316A2
Special Task
math
1400
x2097
386B
Fly, freebies, fly!
binary search
,
brute force
,
implementation
1400
x2085
38C
Blinds
brute force
1400
x2081
958D1
Hyperspace Jump (easy)
expression parsing
,
math
1400
x2031
120D
Three Sons
brute force
1400
x1892
1057B
DDoS
*special problem
,
brute force
1400
x1786
290D
Orange
*special problem
,
implementation
1400
x1782
417B
Crash
implementation
1400
x1748
77A
Heroes
brute force
,
implementation
1400
x1741
958A1
Death Stars (easy)
implementation
1400
x1635
770D
Draw Brackets!
*special problem
,
implementation
1400
x1567
175B
Plane of Tanks: Pro
implementation
1400
x1358
331A1
Oh Sweet Beaverette
brute force
,
implementation
1400
x1336
1346B
Boot Camp
*special problem
,
greedy
1400
x1179
1431B
Polycarp and the Language of Gods
*special problem
,
implementation
,
two pointers
1400
x998
838A
Binary Blocks
brute force
1400
x906
1769B2
Копирование файлов II
*special problem
,
binary search
,
brute force
,
math
1400
x854
1001B
Generate Bell state
*special problem
1400
x704
1001D
Distinguish plus state and minus state
*special problem
1400
x675
470A
Crystal Ball Sequence
*special problem
,
implementation
1400
x664
1001C
Generate GHZ state
*special problem
1400
x646
1001G
Oracle for f(x) = k-th element of x
*special problem
1400
x531
649B
Этажи
constructive algorithms
1400
x518
130B
Gnikool Ssalg
*special problem
,
implementation
,
strings
1400
x515
100C
A+B
*special problem
,
implementation
1400
x514
188E
HQ9+
*special problem
,
implementation
1400
x489
188C
LCM
*special problem
,
implementation
,
math
1400
x434
683D
Chocolate Bar
*special problem
,
math
1400
x319
188F
Binary Notation
*special problem
,
implementation
1400
x287
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