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Problems
#
Name
24A
Ring road
graphs
1400
x4781
630H
Benches
combinatorics
,
math
1400
x4746
803A
Maximal Binary Matrix
constructive algorithms
1400
x4743
955B
Not simply beatiful strings
implementation
1400
x4735
1773E
Easy Assembly
greedy
,
sortings
1400
x4671
111A
Petya and Inequiations
greedy
1400
x4627
417C
Football
constructive algorithms
,
graphs
,
implementation
1400
x4608
652A
Gabriel and Caterpillar
implementation
,
math
1400
x4558
748C
Santa Claus and Robot
constructive algorithms
,
math
1400
x4541
197B
Limit
math
1400
x4540
526B
Om Nom and Dark Park
dfs and similar
,
greedy
,
implementation
1400
x4469
60B
Serial Time!
dfs and similar
,
dsu
1400
x4446
802J
Send the Fool Further! (easy)
dfs and similar
,
graphs
,
trees
1400
x4299
865A
Save the problem!
constructive algorithms
1400
x4145
198B
Jumping on Walls
shortest paths
1400
x4113
270B
Multithreading
data structures
,
greedy
,
implementation
1400
x4084
8B
Obsession with Robots
constructive algorithms
,
graphs
,
implementation
1400
x4079
1250A
Berstagram
implementation
1400
x4026
907B
Tic-Tac-Toe
implementation
1400
x4009
272B
Dima and Sequence
implementation
,
math
1400
x3915
226A
Flying Saucer Segments
math
1400
x3909
632B
Alice, Bob, Two Teams
brute force
,
constructive algorithms
1400
x3905
41B
Martian Dollar
brute force
1400
x3874
1600J
Robot Factory
bitmasks
,
dfs and similar
1400
x3783
124B
Permutations
brute force
,
combinatorics
,
implementation
1400
x3761
641B
Little Artem and Matrix
implementation
1400
x3748
745B
Hongcow Solves A Puzzle
implementation
1400
x3704
402B
Trees in a Row
brute force
,
implementation
1400
x3689
868B
Race Against Time
implementation
1400
x3631
430B
Balls Game
brute force
,
two pointers
1400
x3628
513B1
Permutations
brute force
1400
x3575
334B
Eight Point Sets
sortings
1400
x3547
120F
Spiders
dp
,
greedy
,
trees
1400
x3510
665B
Shopping
brute force
1400
x3479
630L
Cracking the Code
implementation
,
math
1400
x3451
228B
Two Tables
brute force
,
implementation
1400
x3432
30A
Accounting
brute force
,
math
1400
x3320
245E
Mishap in Club
greedy
,
implementation
1400
x3227
286A
Lucky Permutation
constructive algorithms
,
math
1400
x3106
436B
Om Nom and Spiders
implementation
,
math
1400
x3043
1046C
Space Formula
greedy
1400
x3038
290A
Mysterious strings
*special problem
,
implementation
1400
x2947
159C
String Manipulation 1.0
*special problem
,
binary search
,
brute force
,
data structures
,
strings
1400
x2921
42A
Guilty --- to the kitchen!
greedy
,
implementation
1400
x2760
1046F
Splitting money
implementation
1400
x2725
120E
Put Knight!
games
,
math
1400
x2648
125A
Measuring Lengths in Baden
math
1400
x2642
19A
World Football Cup
implementation
1400
x2616
335A
Banana
binary search
,
constructive algorithms
,
greedy
1400
x2516
928B
Chat
*special problem
,
dp
1400
x2507
929A
Прокат велосипедов
*special problem
,
greedy
,
implementation
1400
x2491
523C
Name Quest
*special problem
,
greedy
1400
x2466
159A
Friends or Not
*special problem
,
greedy
,
implementation
1400
x2454
108B
Datatypes
math
,
sortings
1400
x2417
637C
Promocodes with Mistakes
*special problem
,
brute force
,
constructive algorithms
,
implementation
1400
x2409
175A
Robot Bicorn Attack
brute force
,
implementation
1400
x2334
45I
TCMCF+++
greedy
1400
x2306
413C
Jeopardy!
greedy
,
math
1400
x2304
174B
File List
dp
,
greedy
,
implementation
1400
x2191
316A2
Special Task
math
1400
x2100
386B
Fly, freebies, fly!
binary search
,
brute force
,
implementation
1400
x2088
38C
Blinds
brute force
1400
x2088
958D1
Hyperspace Jump (easy)
expression parsing
,
math
1400
x2035
120D
Three Sons
brute force
1400
x1897
1057B
DDoS
*special problem
,
brute force
1400
x1793
290D
Orange
*special problem
,
implementation
1400
x1784
417B
Crash
implementation
1400
x1749
77A
Heroes
brute force
,
implementation
1400
x1746
958A1
Death Stars (easy)
implementation
1400
x1636
770D
Draw Brackets!
*special problem
,
implementation
1400
x1567
1970C1
Game on Tree (Easy)
games
1400
x1472
175B
Plane of Tanks: Pro
implementation
1400
x1359
331A1
Oh Sweet Beaverette
brute force
,
implementation
1400
x1337
1346B
Boot Camp
*special problem
,
greedy
1400
x1182
1431B
Polycarp and the Language of Gods
*special problem
,
implementation
,
two pointers
1400
x1001
838A
Binary Blocks
brute force
1400
x908
1769B2
Копирование файлов II
*special problem
,
binary search
,
brute force
,
math
1400
x857
1001B
Generate Bell state
*special problem
1400
x705
1001D
Distinguish plus state and minus state
*special problem
1400
x676
470A
Crystal Ball Sequence
*special problem
,
implementation
1400
x665
1001C
Generate GHZ state
*special problem
1400
x647
1958B
Clock in the Pool
*special problem
,
math
1400
x593
1001G
Oracle for f(x) = k-th element of x
*special problem
1400
x532
649B
Этажи
constructive algorithms
1400
x522
130B
Gnikool Ssalg
*special problem
,
implementation
,
strings
1400
x516
100C
A+B
*special problem
,
implementation
1400
x515
188E
HQ9+
*special problem
,
implementation
1400
x490
188C
LCM
*special problem
,
implementation
,
math
1400
x434
683D
Chocolate Bar
*special problem
,
math
1400
x319
188F
Binary Notation
*special problem
,
implementation
1400
x288
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Codeforces Round 945 (Div. 2)
07:44:19
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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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