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2023 Post World Finals Online ICPC Challenge powered by Huawei
40:24:25
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*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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Custom test
Problems
#
Name
1966A
Card Exchange
constructive algorithms
,
games
,
greedy
800
x13074
1957A
Stickogon
constructive algorithms
,
greedy
800
x18938
1956B
Nene and the Card Game
games
,
greedy
800
x18288
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x18364
1955A
Yogurt Sale
math
800
x35554
1950C
Clock Conversion
implementation
,
math
800
x34346
1950B
Upscaling
implementation
800
x32758
1950A
Stair, Peak, or Neither?
implementation
800
x42921
1948A
Special Characters
brute force
,
constructive algorithms
800
x26108
1946A
Median of an Array
greedy
,
implementation
,
sortings
800
x23295
1945A
Setting up Camp
greedy
,
math
800
x24431
1944A
Destroying Bridges
graphs
,
greedy
,
math
800
x21002
1942A
Farmer John's Challenge
constructive algorithms
,
math
800
x15441
1941A
Rudolf and the Ticket
brute force
,
math
800
x38685
1937A
Shuffle Party
implementation
,
math
800
x21343
1935A
Entertainment in MAC
constructive algorithms
,
strings
800
x25322
1934A
Too Min Too Max
greedy
,
math
800
x23242
1933B
Turtle Math: Fast Three Task
implementation
,
math
,
number theory
800
x29752
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35248
1932A
Thorns and Coins
dp
,
greedy
,
implementation
800
x26507
1931B
Make Equal
greedy
800
x29870
1931A
Recovering a Small String
brute force
,
strings
800
x33423
1930A
Maximise The Score
greedy
,
sortings
800
x17071
1929B
Sasha and the Drawing
constructive algorithms
,
greedy
,
math
800
x23703
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x28781
1928A
Rectangle Cutting
geometry
,
math
800
x21081
1927A
Make it White
greedy
,
strings
800
x39548
1926B
Vlad and Shapes
geometry
,
implementation
800
x29560
1926A
Vlad and the Best of Five
implementation
800
x41646
1925A
We Got Everything Covered!
constructive algorithms
,
greedy
,
strings
800
x27090
1923A
Moving Chips
greedy
,
implementation
800
x23173
1922A
Tricky Template
constructive algorithms
,
implementation
,
strings
800
x25834
1921B
Arranging Cats
greedy
,
implementation
800
x31899
1921A
Square
greedy
,
math
800
x39796
1920A
Satisfying Constraints
brute force
,
greedy
,
math
800
x26421
1919B
Plus-Minus Split
greedy
800
x28762
1919A
Wallet Exchange
games
,
math
800
x31664
1918A
Brick Wall
constructive algorithms
,
greedy
,
implementation
,
math
800
x28671
1917A
Least Product
constructive algorithms
,
math
800
x24140
1916A
2023
constructive algorithms
,
implementation
,
math
,
number theory
800
x24480
1915C
Can I Square?
binary search
,
implementation
800
x37333
1915B
Not Quite Latin Square
bitmasks
,
brute force
,
implementation
800
x38318
1915A
Odd One Out
bitmasks
,
implementation
800
x49388
1914B
Preparing for the Contest
constructive algorithms
,
math
800
x28485
1914A
Problemsolving Log
implementation
,
strings
800
x29584
1913A
Rating Increase
implementation
800
x22246
1912L
LOL Lovers
strings
800
x6294
1909A
Distinct Buttons
implementation
,
math
800
x15688
1907A
Rook
implementation
800
x33925
1905A
Constructive Problems
constructive algorithms
,
math
800
x21741
1903A
Halloumi Boxes
brute force
,
greedy
,
sortings
800
x23896
1902A
Binary Imbalance
constructive algorithms
800
x19714
1901A
Line Trip
greedy
,
math
800
x25021
1900A
Cover in Water
constructive algorithms
,
greedy
,
implementation
,
strings
800
x21722
1899A
Game with Integers
games
,
math
,
number theory
800
x37608
1898A
Milica and String
brute force
,
implementation
,
strings
800
x15021
1896A
Jagged Swaps
sortings
800
x18533
1895B
Points and Minimum Distance
greedy
,
math
,
sortings
800
x19619
1895A
Treasure Chest
math
800
x23377
1894A
Secret Sport
implementation
,
strings
800
x18080
1891A
Sorting with Twos
constructive algorithms
,
sortings
800
x18334
1890B
Qingshan Loves Strings
constructive algorithms
,
implementation
800
x16616
1890A
Doremy's Paint 3
constructive algorithms
800
x21326
1886A
Sum of Three
brute force
,
constructive algorithms
,
math
800
x24483
1884A
Simple Design
brute force
,
greedy
,
math
800
x16421
1883A
Morning
math
800
x23823
1882A
Increasing Sequence
greedy
800
x24233
1881A
Don't Try to Count
brute force
,
strings
800
x27273
1879A
Rigged!
greedy
800
x22043
1878B
Aleksa and Stack
constructive algorithms
,
math
800
x29790
1878A
How Much Does Daytona Cost?
greedy
800
x38623
1877A
Goals of Victory
math
800
x18635
1873D
1D Eraser
greedy
,
implementation
,
two pointers
800
x32536
1873C
Target Practice
implementation
,
math
800
x35092
1873B
Good Kid
brute force
,
greedy
,
math
800
x44082
1873A
Short Sort
brute force
,
implementation
800
x48557
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37208
1870A
MEXanized Array
constructive algorithms
,
greedy
,
math
800
x18466
1867A
green_gold_dog, array and permutation
constructive algorithms
,
sortings
800
x19179
1866A
Ambitious Kid
math
800
x17892
1864A
Increasing and Decreasing
constructive algorithms
,
greedy
,
implementation
,
math
800
x19744
1863A
Channel
greedy
,
implementation
800
x17420
1862B
Sequence Game
constructive algorithms
800
x28552
1862A
Gift Carpet
dp
,
greedy
,
implementation
,
strings
800
x30654
1861A
Prime Deletion
constructive algorithms
,
math
800
x23075
1859A
United We Stand
constructive algorithms
,
math
,
number theory
800
x29186
1858A
Buttons
games
,
greedy
,
math
800
x34142
1857A
Array Coloring
greedy
,
math
800
x43369
1856A
Tales of a Sort
implementation
800
x25751
1855A
Dalton the Teacher
greedy
,
math
800
x27137
1853A
Desorting
brute force
,
greedy
,
math
800
x27865
1851B
Parity Sort
greedy
,
sortings
,
two pointers
800
x28029
1851A
Escalator Conversations
brute force
,
constructive algorithms
,
math
800
x28588
1850C
Word on the Paper
implementation
,
strings
800
x40892
1850B
Ten Words of Wisdom
implementation
,
sortings
800
x40275
1850A
To My Critics
implementation
,
sortings
800
x50933
1849A
Morning Sandwich
implementation
,
math
800
x27002
1847A
The Man who became a God
greedy
,
sortings
800
x21652
1846B
Rudolph and Tic-Tac-Toe
brute force
,
implementation
,
strings
800
x26026
1846A
Rudolph and Cut the Rope
implementation
,
math
800
x31347
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