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Rayan
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Before contest
Codeforces Round 995 (Div. 3)
01:52:28
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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
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Status
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Custom test
Problems
#
Name
53A
Autocomplete
implementation
1100
x5160
52C
Circular RMQ
data structures
2200
x9178
52B
Right Triangles
combinatorics
1600
x2083
52A
123-sequence
implementation
900
x8922
51F
Caterpillar
dfs and similar
,
dp
,
graphs
,
trees
2800
x650
51E
Pentagon
combinatorics
,
graphs
,
matrices
2400
x413
51D
Geometrical problem
implementation
2200
x482
51C
Three Base Stations
binary search
,
greedy
1800
x2052
51B
bHTML Tables Analisys
expression parsing
1700
x877
51A
Cheaterius's Problem
implementation
1300
x1844
50E
Square Equation Roots
math
2300
x365
50D
Bombing
binary search
,
dp
,
probabilities
2100
x640
50C
Happy Farm 5
geometry
2000
x774
50B
Choosing Symbol Pairs
strings
1500
x5744
50A
Domino piling
greedy
,
math
800
x255289
49E
Common ancestor
dp
2300
x679
49D
Game
brute force
,
dp
,
implementation
1800
x1924
49C
Disposition
constructive algorithms
,
math
1700
x1698
49B
Sum
math
1500
x2504
49A
Sleuth
implementation
800
x13573
48H
Black and White
constructive algorithms
2800
x152
48G
Galaxy Union
dp
,
trees
,
two pointers
2700
x277
48F
Snow sellers
greedy
,
sortings
2800
x160
48E
Ivan the Fool VS Gorynych the Dragon
dp
,
games
,
graphs
2100
x594
48D
Permutations
greedy
1500
x2573
48C
The Race
math
1800
x787
48B
Land Lot
brute force
,
implementation
1200
x2722
48A
Rock-paper-scissors
implementation
,
schedules
900
x6295
47E
Cannon
data structures
,
geometry
,
sortings
2200
x375
47D
Safe
brute force
2200
x782
47C
Crossword
implementation
2000
x792
47B
Coins
implementation
1200
x14226
47A
Triangular numbers
brute force
,
math
800
x15340
46G
Emperor's Problem
geometry
2500
x118
46F
Hercule Poirot Problem
dsu
,
graphs
2300
x332
46E
Comb
data structures
,
dp
1900
x965
46D
Parking Lot
data structures
,
implementation
1800
x990
46C
Hamsters and Tigers
two pointers
1600
x2477
46B
T-shirts from Sponsor
implementation
1100
x3719
46A
Ball Game
brute force
,
implementation
800
x8842
45J
Planting Trees
constructive algorithms
1800
x949
45I
TCMCF+++
greedy
1400
x2507
45H
Road Problem
graphs
2100
x194
45G
Prime Problem
number theory
2200
x1055
45F
Goats and Wolves
greedy
2500
x147
45E
Director
constructive algorithms
,
greedy
2000
x553
45D
Event Dates
greedy
,
meet-in-the-middle
,
sortings
1900
x1708
45C
Dancing Lessons
data structures
1900
x923
45B
School
dp
,
dsu
2200
x285
45A
Codecraft III
implementation
900
x6863
44J
Triminoes
constructive algorithms
,
greedy
2000
x577
44I
Toys
brute force
,
combinatorics
2300
x196
44H
Phone Number
dp
1700
x1760
44G
Shooting Gallery
data structures
,
implementation
2500
x411
44F
BerPaint
geometry
,
graphs
2700
x68
44E
Anfisa the Monkey
dp
1400
x5255
44D
Hyperdrive
math
1800
x718
44C
Holidays
implementation
1300
x3515
44B
Cola
implementation
1500
x2027
44A
Indian Summer
implementation
900
x11712
43E
Race
brute force
,
implementation
,
two pointers
2300
x397
43D
Journey
brute force
,
constructive algorithms
,
implementation
2000
x1097
43C
Lucky Tickets
greedy
1300
x4315
43B
Letter
implementation
,
strings
1100
x17200
43A
Football
strings
1000
x57882
42E
Baldman and the military
dfs and similar
,
graphs
,
trees
2700
x209
42D
Strange town
constructive algorithms
,
math
2300
x414
42C
Safe cracking
brute force
,
constructive algorithms
2200
x489
42B
Game of chess unfinished
implementation
1700
x957
42A
Guilty --- to the kitchen!
greedy
,
implementation
1400
x2870
41E
3-cycles
constructive algorithms
,
graphs
,
greedy
1900
x1981
41D
Pawn
dp
1900
x2456
41C
Email address
expression parsing
,
implementation
1300
x3786
41B
Martian Dollar
brute force
1400
x4074
41A
Translation
implementation
,
strings
800
x151713
40E
Number Table
combinatorics
2500
x686
40D
Interesting Sequence
math
2600
x142
40C
Berland Square
implementation
,
math
2300
x253
40B
Repaintings
math
1600
x1179
40A
Find Color
constructive algorithms
,
geometry
,
implementation
,
math
1300
x4085
39K
Testing
2600
x86
39J
Spelling Check
hashing
,
implementation
,
strings
1500
x3015
39I
Tram
2500
x143
39H
Multiplication Table
implementation
1300
x2789
39G
Inverse Function
implementation
2400
x130
39F
Pacifist frogs
implementation
1300
x1591
39E
What Has Dirichlet Got to Do with That?
dp
,
games
2000
x885
39D
Cubical Planet
math
1100
x4040
39C
Moon Craters
dp
,
sortings
2100
x611
39B
Company Income Growth
greedy
1300
x2699
39A
C*++ Calculations
expression parsing
,
greedy
2000
x715
38H
The Great Marathon
dp
2400
x313
38G
Queue
data structures
2300
x710
38F
Smart Boy
dp
,
games
,
strings
2100
x393
38E
Let's Go Rolling!
dp
,
sortings
1800
x2620
38D
Vasya the Architect
implementation
1900
x500
38C
Blinds
brute force
1400
x2261
38B
Chess
brute force
,
implementation
,
math
1200
x3565
38A
Army
implementation
800
x21765
37E
Trial for Chief
graphs
,
greedy
,
shortest paths
2600
x628
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