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2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams)
3 days
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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
Standings
Custom test
Problems
#
Name
2036B
Startup
greedy
,
sortings
800
x20334
2036A
Quintomania
implementation
800
x26994
2035A
Sliding
implementation
,
math
800
x14131
2033A
Sakurako and Kosuke
constructive algorithms
,
implementation
,
math
800
x31722
2032A
Circuit
greedy
,
implementation
,
math
,
number theory
800
x19003
2030B
Minimise Oneness
combinatorics
,
constructive algorithms
,
games
,
math
800
x19595
2030A
A Gift From Orangutan
constructive algorithms
,
greedy
,
math
,
sortings
800
x22889
2029A
Set
binary search
,
greedy
,
math
800
x9370
2027A
Rectangle Arrangement
geometry
,
implementation
,
math
800
x17780
2025A
Two Screens
binary search
,
greedy
,
strings
,
two pointers
800
x22977
2024A
Profitable Interest Rate
greedy
,
math
800
x18317
2022A
Bus to Pénjamo
constructive algorithms
,
greedy
,
implementation
,
math
800
x13386
2021A
Meaning Mean
data structures
,
greedy
,
math
,
sortings
800
x18353
2020A
Find Minimum Operations
bitmasks
,
brute force
,
greedy
,
math
,
number theory
800
x21607
2019A
Max Plus Size
brute force
,
dp
,
greedy
800
x22565
2014B
Robin Hood and the Major Oak
math
800
x27880
2014A
Robin Helps
greedy
,
implementation
800
x36440
2013A
Zhan's Blender
constructive algorithms
,
math
800
x26836
2010B
Three Brothers
brute force
,
implementation
,
math
800
x19514
2010A
Alternating Sum of Numbers
brute force
,
implementation
,
math
800
x16504
2009B
osu!mania
brute force
,
implementation
800
x40997
2009A
Minimize!
brute force
,
math
800
x49974
2008C
Longest Good Array
binary search
,
brute force
,
math
800
x29933
2008B
Square or Not
brute force
,
math
,
strings
800
x28237
2008A
Sakurako's Exam
brute force
,
constructive algorithms
,
greedy
,
math
800
x34694
2007A
Dora's Set
greedy
,
math
,
number theory
800
x22517
2004A
Closest Point
implementation
,
math
800
x30149
2003B
Turtle and Piggy Are Playing a Game 2
games
,
greedy
,
sortings
800
x24982
2003A
Turtle and Good Strings
greedy
,
strings
800
x28757
2002A
Distanced Coloring
constructive algorithms
,
implementation
,
math
800
x19319
2001B
Generate Permutation
constructive algorithms
800
x23919
2001A
Make All Equal
greedy
,
implementation
800
x29403
2000B
Seating in a Bus
two pointers
800
x33582
2000A
Primary Task
implementation
,
math
,
strings
800
x37059
1999C
Showering
greedy
,
implementation
800
x34833
1999A
A+B Again?
implementation
,
math
800
x54205
1998A
Find K Distinct Points with Fixed Center
constructive algorithms
,
implementation
,
math
800
x23829
1997A
Strong Password
brute force
,
implementation
,
strings
800
x28848
1996B
Scale
greedy
,
implementation
800
x32415
1996A
Legs
binary search
,
math
,
ternary search
800
x42871
1995A
Diagonals
brute force
,
greedy
,
implementation
,
math
800
x24149
1994A
Diverse Game
constructive algorithms
,
greedy
,
implementation
800
x20158
1993A
Question Marks
greedy
,
implementation
800
x29265
1992B
Angry Monk
greedy
,
math
,
sortings
800
x34170
1992A
Only Pluses
brute force
,
constructive algorithms
,
greedy
,
math
,
sortings
800
x41063
1991A
Maximize the Last Element
greedy
,
implementation
800
x21745
1989A
Catch the Coin
implementation
800
x26304
1987A
Upload More RAM
greedy
,
math
800
x25298
1986A
X Axis
brute force
,
geometry
,
math
,
sortings
800
x40378
1985B
Maximum Multiple Sum
brute force
,
math
,
number theory
800
x46182
1985A
Creating Words
implementation
,
strings
800
x53579
1984A
Strange Splitting
constructive algorithms
800
x21126
1983A
Array Divisibility
constructive algorithms
,
math
800
x25601
1982A
Soccer
greedy
,
implementation
,
math
,
sortings
800
x25084
1981A
Turtle and Piggy Are Playing a Game
brute force
,
greedy
,
math
800
x22267
1980B
Choosing Cubes
sortings
,
sortings
800
x34650
1980A
Problem Generator
math
800
x40564
1979A
Guess the Maximum
brute force
,
greedy
,
implementation
800
x29002
1978B
New Bakery
binary search
,
greedy
,
math
,
ternary search
800
x22314
1978A
Alice and Books
constructive algorithms
,
greedy
,
sortings
800
x25624
1977A
Little Nikita
math
800
x31925
1976A
Verify Password
implementation
,
sortings
,
strings
800
x28539
1975A
Bazoka and Mocha's Array
brute force
,
greedy
,
implementation
,
sortings
800
x18485
1974B
Symmetric Encoding
implementation
,
sortings
,
strings
800
x30224
1974A
Phone Desktop
greedy
,
math
800
x33212
1972A
Contest Proposal
brute force
,
greedy
,
two pointers
800
x22923
1971B
Different String
implementation
,
strings
800
x36902
1971A
My First Sorting Problem
implementation
,
sortings
800
x45091
1969A
Two Friends
constructive algorithms
,
implementation
,
math
800
x19946
1968B
Prefiquence
greedy
,
two pointers
800
x27903
1968A
Maximize?
brute force
,
math
,
number theory
800
x34566
1966A
Card Exchange
constructive algorithms
,
games
,
greedy
800
x17888
1957A
Stickogon
constructive algorithms
,
greedy
800
x23342
1956B
Nene and the Card Game
games
,
greedy
800
x21256
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x21709
1955A
Yogurt Sale
math
800
x43614
1950C
Clock Conversion
implementation
,
math
800
x40053
1950B
Upscaling
implementation
800
x38128
1950A
Stair, Peak, or Neither?
implementation
800
x53037
1948A
Special Characters
brute force
,
constructive algorithms
800
x28583
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x26094
1945A
Setting up Camp
greedy
,
math
800
x27679
1944A
Destroying Bridges
graphs
,
greedy
,
math
800
x23816
1942A
Farmer John's Challenge
constructive algorithms
,
math
800
x17267
1941A
Rudolf and the Ticket
brute force
,
math
800
x42560
1937A
Shuffle Party
implementation
,
math
800
x23180
1935A
Entertainment in MAC
constructive algorithms
,
strings
800
x28002
1934A
Too Min Too Max
greedy
,
math
800
x25460
1933B
Turtle Math: Fast Three Task
implementation
,
math
,
number theory
800
x33004
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x38267
1932A
Thorns and Coins
dp
,
greedy
,
implementation
800
x29745
1931B
Make Equal
greedy
800
x32300
1931A
Recovering a Small String
brute force
,
strings
800
x36312
1930A
Maximise The Score
greedy
,
sortings
800
x18658
1929B
Sasha and the Drawing
constructive algorithms
,
greedy
,
math
800
x25352
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x31623
1928A
Rectangle Cutting
geometry
,
math
800
x22742
1927A
Make it White
greedy
,
strings
800
x43757
1926B
Vlad and Shapes
geometry
,
implementation
800
x32620
1926A
Vlad and the Best of Five
implementation
800
x48720
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