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Rayan
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Before contest
Codeforces Round 995 (Div. 3)
02:17:10
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combine-tags-by-or
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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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Custom test
Problems
#
Name
2050A
Line Breaks
implementation
800
x26350
2047A
Alyona and a Square Jigsaw Puzzle
implementation
,
math
800
x12591
2042A
Greedy Monocarp
greedy
,
sortings
800
x15986
2040A
Game of Division
games
,
math
800
x19000
2039A
Shohag Loves Mod
constructive algorithms
,
number theory
800
x14723
2038N
Fixing the Expression
implementation
800
x8250
2038J
Waiting for...
greedy
,
implementation
800
x6370
2037B
Intercepted Inputs
brute force
,
implementation
800
x20806
2037A
Twice
implementation
800
x27358
2036B
Startup
greedy
,
sortings
800
x24532
2036A
Quintomania
implementation
800
x32740
2035A
Sliding
implementation
,
math
800
x15774
2034A
King Keykhosrow's Mystery
brute force
,
chinese remainder theorem
,
math
,
number theory
800
x14584
2033A
Sakurako and Kosuke
constructive algorithms
,
implementation
,
math
800
x34292
2032A
Circuit
greedy
,
implementation
,
math
,
number theory
800
x21237
2031A
Penchick and Modern Monument
constructive algorithms
,
dp
,
greedy
,
math
800
x16909
2030B
Minimise Oneness
combinatorics
,
constructive algorithms
,
games
,
math
800
x20614
2030A
A Gift From Orangutan
constructive algorithms
,
greedy
,
math
,
sortings
800
x24100
2029A
Set
greedy
,
math
800
x11584
2027A
Rectangle Arrangement
geometry
,
implementation
,
math
800
x19273
2025A
Two Screens
binary search
,
greedy
,
strings
,
two pointers
800
x24075
2024A
Profitable Interest Rate
greedy
,
math
800
x19518
2022A
Bus to Pénjamo
constructive algorithms
,
greedy
,
implementation
,
math
800
x14246
2021A
Meaning Mean
data structures
,
greedy
,
math
,
sortings
800
x18954
2020A
Find Minimum Operations
bitmasks
,
brute force
,
greedy
,
math
,
number theory
800
x22331
2019A
Max Plus Size
brute force
,
dp
,
greedy
800
x23342
2014B
Robin Hood and the Major Oak
math
800
x28851
2014A
Robin Helps
greedy
,
implementation
800
x38056
2013A
Zhan's Blender
constructive algorithms
,
math
800
x27748
2010B
Three Brothers
brute force
,
implementation
,
math
800
x20460
2010A
Alternating Sum of Numbers
brute force
,
implementation
,
math
800
x17286
2009B
osu!mania
brute force
,
implementation
800
x43598
2009A
Minimize!
brute force
,
math
800
x54058
2008C
Longest Good Array
binary search
,
brute force
,
math
800
x31082
2008B
Square or Not
brute force
,
math
,
strings
800
x29129
2008A
Sakurako's Exam
brute force
,
constructive algorithms
,
greedy
,
math
800
x35876
2007A
Dora's Set
greedy
,
math
,
number theory
800
x22921
2004A
Closest Point
implementation
,
math
800
x30602
2003B
Turtle and Piggy Are Playing a Game 2
games
,
greedy
,
sortings
800
x25398
2003A
Turtle and Good Strings
greedy
,
strings
800
x29442
2002A
Distanced Coloring
constructive algorithms
,
implementation
,
math
800
x19649
2001B
Generate Permutation
constructive algorithms
800
x24262
2001A
Make All Equal
greedy
,
implementation
800
x30004
2000B
Seating in a Bus
two pointers
800
x34567
2000A
Primary Task
implementation
,
math
,
strings
800
x38086
1999C
Showering
greedy
,
implementation
800
x36050
1999A
A+B Again?
implementation
,
math
800
x58876
1998A
Find K Distinct Points with Fixed Center
constructive algorithms
,
implementation
,
math
800
x24289
1997A
Strong Password
brute force
,
implementation
,
strings
800
x29861
1996B
Scale
greedy
,
implementation
800
x33235
1996A
Legs
binary search
,
math
,
ternary search
800
x44554
1995A
Diagonals
brute force
,
greedy
,
implementation
,
math
800
x24498
1994A
Diverse Game
constructive algorithms
,
greedy
,
implementation
800
x20484
1993A
Question Marks
greedy
,
implementation
800
x29805
1992B
Angry Monk
greedy
,
math
,
sortings
800
x34668
1992A
Only Pluses
brute force
,
constructive algorithms
,
greedy
,
math
,
sortings
800
x42194
1991A
Maximize the Last Element
greedy
,
implementation
800
x22133
1989A
Catch the Coin
implementation
800
x26675
1987A
Upload More RAM
greedy
,
math
800
x25724
1986A
X Axis
brute force
,
geometry
,
math
,
sortings
800
x41573
1985B
Maximum Multiple Sum
brute force
,
math
,
number theory
800
x47651
1985A
Creating Words
implementation
,
strings
800
x56027
1984A
Strange Splitting
constructive algorithms
800
x21446
1983A
Array Divisibility
constructive algorithms
,
math
800
x26139
1982A
Soccer
greedy
,
implementation
,
math
,
sortings
800
x25453
1981A
Turtle and Piggy Are Playing a Game
brute force
,
greedy
,
math
800
x22617
1980B
Choosing Cubes
sortings
,
sortings
800
x35166
1980A
Problem Generator
math
800
x41534
1979A
Guess the Maximum
brute force
,
greedy
,
implementation
800
x29357
1978B
New Bakery
binary search
,
greedy
,
math
,
ternary search
800
x22706
1978A
Alice and Books
constructive algorithms
,
greedy
,
sortings
800
x26050
1977A
Little Nikita
math
800
x33912
1976A
Verify Password
implementation
,
sortings
,
strings
800
x29124
1975A
Bazoka and Mocha's Array
brute force
,
greedy
,
implementation
,
sortings
800
x19006
1974B
Symmetric Encoding
implementation
,
sortings
,
strings
800
x30869
1974A
Phone Desktop
greedy
,
math
800
x33722
1972A
Contest Proposal
brute force
,
greedy
,
two pointers
800
x23307
1971B
Different String
implementation
,
strings
800
x37822
1971A
My First Sorting Problem
implementation
,
sortings
800
x47115
1969A
Two Friends
constructive algorithms
,
implementation
,
math
800
x20246
1968B
Prefiquence
greedy
,
two pointers
800
x28279
1968A
Maximize?
brute force
,
math
,
number theory
800
x35137
1966A
Card Exchange
constructive algorithms
,
games
,
greedy
800
x18073
1957A
Stickogon
constructive algorithms
,
greedy
800
x23583
1956B
Nene and the Card Game
games
,
greedy
800
x21457
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x21970
1955A
Yogurt Sale
math
800
x44382
1950C
Clock Conversion
implementation
,
math
800
x40850
1950B
Upscaling
implementation
800
x39038
1950A
Stair, Peak, or Neither?
implementation
800
x54981
1948A
Special Characters
brute force
,
constructive algorithms
800
x29043
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x26342
1945A
Setting up Camp
greedy
,
math
800
x28072
1944A
Destroying Bridges
graphs
,
greedy
,
math
800
x24205
1942A
Farmer John's Challenge
constructive algorithms
,
math
800
x17465
1941A
Rudolf and the Ticket
brute force
,
math
800
x43154
1937A
Shuffle Party
implementation
,
math
800
x23390
1935A
Entertainment in MAC
constructive algorithms
,
strings
800
x28390
1934A
Too Min Too Max
greedy
,
math
800
x25730
1933B
Turtle Math: Fast Three Task
implementation
,
math
,
number theory
800
x33345
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