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Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
5 days
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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
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Status
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Custom test
Problems
#
Name
2039A
Shohag Loves Mod
constructive algorithms
,
number theory
800
x11104
2038N
Fixing the Expression
implementation
800
x6260
2038J
Waiting for...
greedy
,
implementation
800
x4730
2037B
Intercepted Inputs
brute force
,
implementation
800
x17650
2037A
Twice
implementation
800
x22827
2036B
Startup
greedy
,
sortings
800
x22921
2036A
Quintomania
implementation
800
x30398
2035A
Sliding
implementation
,
math
800
x14824
2033A
Sakurako and Kosuke
constructive algorithms
,
implementation
,
math
800
x32851
2032A
Circuit
greedy
,
implementation
,
math
,
number theory
800
x20262
2031A
Penchick and Modern Monument
constructive algorithms
,
dp
,
greedy
,
math
800
x14751
2030B
Minimise Oneness
combinatorics
,
constructive algorithms
,
games
,
math
800
x20040
2030A
A Gift From Orangutan
constructive algorithms
,
greedy
,
math
,
sortings
800
x23417
2029A
Set
greedy
,
math
800
x10939
2027A
Rectangle Arrangement
geometry
,
implementation
,
math
800
x18546
2025A
Two Screens
binary search
,
greedy
,
strings
,
two pointers
800
x23455
2024A
Profitable Interest Rate
greedy
,
math
800
x18815
2022A
Bus to Pénjamo
constructive algorithms
,
greedy
,
implementation
,
math
800
x13741
2021A
Meaning Mean
data structures
,
greedy
,
math
,
sortings
800
x18570
2020A
Find Minimum Operations
bitmasks
,
brute force
,
greedy
,
math
,
number theory
800
x21868
2019A
Max Plus Size
brute force
,
dp
,
greedy
800
x22841
2014B
Robin Hood and the Major Oak
math
800
x28257
2014A
Robin Helps
greedy
,
implementation
800
x37018
2013A
Zhan's Blender
constructive algorithms
,
math
800
x27105
2010B
Three Brothers
brute force
,
implementation
,
math
800
x19888
2010A
Alternating Sum of Numbers
brute force
,
implementation
,
math
800
x16808
2009B
osu!mania
brute force
,
implementation
800
x41858
2009A
Minimize!
brute force
,
math
800
x51583
2008C
Longest Good Array
binary search
,
brute force
,
math
800
x30354
2008B
Square or Not
brute force
,
math
,
strings
800
x28520
2008A
Sakurako's Exam
brute force
,
constructive algorithms
,
greedy
,
math
800
x35209
2007A
Dora's Set
greedy
,
math
,
number theory
800
x22655
2004A
Closest Point
implementation
,
math
800
x30294
2003B
Turtle and Piggy Are Playing a Game 2
games
,
greedy
,
sortings
800
x25129
2003A
Turtle and Good Strings
greedy
,
strings
800
x28960
2002A
Distanced Coloring
constructive algorithms
,
implementation
,
math
800
x19465
2001B
Generate Permutation
constructive algorithms
800
x24025
2001A
Make All Equal
greedy
,
implementation
800
x29567
2000B
Seating in a Bus
two pointers
800
x33826
2000A
Primary Task
implementation
,
math
,
strings
800
x37371
1999C
Showering
greedy
,
implementation
800
x35143
1999A
A+B Again?
implementation
,
math
800
x56328
1998A
Find K Distinct Points with Fixed Center
constructive algorithms
,
implementation
,
math
800
x23967
1997A
Strong Password
brute force
,
implementation
,
strings
800
x29274
1996B
Scale
greedy
,
implementation
800
x32631
1996A
Legs
binary search
,
math
,
ternary search
800
x43384
1995A
Diagonals
brute force
,
greedy
,
implementation
,
math
800
x24267
1994A
Diverse Game
constructive algorithms
,
greedy
,
implementation
800
x20272
1993A
Question Marks
greedy
,
implementation
800
x29459
1992B
Angry Monk
greedy
,
math
,
sortings
800
x34343
1992A
Only Pluses
brute force
,
constructive algorithms
,
greedy
,
math
,
sortings
800
x41445
1991A
Maximize the Last Element
greedy
,
implementation
800
x21895
1989A
Catch the Coin
implementation
800
x26423
1987A
Upload More RAM
greedy
,
math
800
x25421
1986A
X Axis
brute force
,
geometry
,
math
,
sortings
800
x40683
1985B
Maximum Multiple Sum
brute force
,
math
,
number theory
800
x46588
1985A
Creating Words
implementation
,
strings
800
x54280
1984A
Strange Splitting
constructive algorithms
800
x21201
1983A
Array Divisibility
constructive algorithms
,
math
800
x25735
1982A
Soccer
greedy
,
implementation
,
math
,
sortings
800
x25210
1981A
Turtle and Piggy Are Playing a Game
brute force
,
greedy
,
math
800
x22373
1980B
Choosing Cubes
sortings
,
sortings
800
x34795
1980A
Problem Generator
math
800
x40800
1979A
Guess the Maximum
brute force
,
greedy
,
implementation
800
x29116
1978B
New Bakery
binary search
,
greedy
,
math
,
ternary search
800
x22434
1978A
Alice and Books
constructive algorithms
,
greedy
,
sortings
800
x25803
1977A
Little Nikita
math
800
x33230
1976A
Verify Password
implementation
,
sortings
,
strings
800
x28697
1975A
Bazoka and Mocha's Array
brute force
,
greedy
,
implementation
,
sortings
800
x18564
1974B
Symmetric Encoding
implementation
,
sortings
,
strings
800
x30376
1974A
Phone Desktop
greedy
,
math
800
x33333
1972A
Contest Proposal
brute force
,
greedy
,
two pointers
800
x23022
1971B
Different String
implementation
,
strings
800
x37142
1971A
My First Sorting Problem
implementation
,
sortings
800
x45733
1969A
Two Friends
constructive algorithms
,
implementation
,
math
800
x20025
1968B
Prefiquence
greedy
,
two pointers
800
x28033
1968A
Maximize?
brute force
,
math
,
number theory
800
x34767
1966A
Card Exchange
constructive algorithms
,
games
,
greedy
800
x17944
1957A
Stickogon
constructive algorithms
,
greedy
800
x23410
1956B
Nene and the Card Game
games
,
greedy
800
x21319
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x21787
1955A
Yogurt Sale
math
800
x43865
1950C
Clock Conversion
implementation
,
math
800
x40235
1950B
Upscaling
implementation
800
x38360
1950A
Stair, Peak, or Neither?
implementation
800
x53782
1948A
Special Characters
brute force
,
constructive algorithms
800
x28775
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x26164
1945A
Setting up Camp
greedy
,
math
800
x27856
1944A
Destroying Bridges
graphs
,
greedy
,
math
800
x23911
1942A
Farmer John's Challenge
constructive algorithms
,
math
800
x17363
1941A
Rudolf and the Ticket
brute force
,
math
800
x42754
1937A
Shuffle Party
implementation
,
math
800
x23277
1935A
Entertainment in MAC
constructive algorithms
,
strings
800
x28117
1934A
Too Min Too Max
greedy
,
math
800
x25561
1933B
Turtle Math: Fast Three Task
implementation
,
math
,
number theory
800
x33095
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x38397
1932A
Thorns and Coins
dp
,
greedy
,
implementation
800
x29948
1931B
Make Equal
greedy
800
x32463
1931A
Recovering a Small String
brute force
,
strings
800
x36488
1930A
Maximise The Score
greedy
,
sortings
800
x18730
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