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Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
11 days
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Before contest
Codeforces Round 944 (Div. 4)
12:01:13
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2-sat
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bitmasks
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data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
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implementation
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Problems
#
Name
1829C
Mr. Perfectly Fine
bitmasks
,
greedy
,
implementation
800
x27123
1792A
GamingForces
greedy
,
sortings
800
x27128
1925A
We Got Everything Covered!
constructive algorithms
,
greedy
,
strings
800
x27130
1511A
Review Site
greedy
800
x27166
1855A
Dalton the Teacher
greedy
,
math
800
x27173
1633B
Minority
greedy
800
x27224
1421A
XORwice
bitmasks
,
greedy
,
math
800
x27261
1550A
Find The Array
greedy
,
math
800
x27652
1853A
Desorting
brute force
,
greedy
,
math
800
x27971
1433B
Yet Another Bookshelf
greedy
,
implementation
800
x27988
1768A
Greatest Convex
greedy
,
math
,
number theory
800
x28007
1843B
Long Long
greedy
,
math
,
two pointers
800
x28042
1851B
Parity Sort
greedy
,
sortings
,
two pointers
800
x28069
1397A
Juggling Letters
greedy
,
strings
800
x28119
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x28533
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28552
1554A
Cherry
greedy
800
x28594
1631A
Min Max Swap
greedy
800
x28636
1551B1
Wonderful Coloring - 1
greedy
,
strings
800
x28645
1918A
Brick Wall
constructive algorithms
,
greedy
,
implementation
,
math
800
x28727
1919B
Plus-Minus Split
greedy
800
x28794
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x28825
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x28851
1541A
Pretty Permutations
constructive algorithms
,
greedy
,
implementation
800
x28986
1709A
Three Doors
brute force
,
greedy
,
implementation
,
math
800
x29020
1807C
Find and Replace
greedy
,
implementation
,
strings
800
x29185
1714B
Remove Prefix
data structures
,
greedy
,
implementation
800
x29342
1529A
Eshag Loves Big Arrays
constructive algorithms
,
greedy
,
math
800
x29377
1729B
Decode String
greedy
,
strings
800
x29389
1691A
Beat The Odds
brute force
,
greedy
,
math
800
x29846
1931B
Make Equal
greedy
800
x29965
1714C
Minimum Varied Number
greedy
800
x29990
1811A
Insert Digit
greedy
,
math
,
strings
800
x30022
1490A
Dense Array
greedy
,
math
800
x30645
1862A
Gift Carpet
dp
,
greedy
,
implementation
,
strings
800
x30729
1538B
Friends and Candies
greedy
,
math
800
x31029
1716A
2-3 Moves
greedy
,
math
800
x31417
1675A
Food for Animals
greedy
,
math
800
x31539
1921B
Arranging Cats
greedy
,
implementation
800
x31958
1690A
Print a Pedestal (Codeforces logo?)
constructive algorithms
,
greedy
800
x32550
1873D
1D Eraser
greedy
,
implementation
,
two pointers
800
x32673
1692B
All Distinct
greedy
,
sortings
800
x32797
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32858
1669C
Odd/Even Increments
greedy
,
greedy
,
implementation
,
math
800
x32905
1843A
Sasha and Array Coloring
greedy
,
sortings
,
two pointers
800
x32975
1858A
Buttons
games
,
greedy
,
math
800
x34288
1325B
CopyCopyCopyCopyCopy
greedy
,
implementation
800
x34894
978B
File Name
greedy
,
strings
800
x35018
1660A
Vasya and Coins
greedy
,
math
800
x35067
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35376
1538A
Stone Game
brute force
,
dp
,
greedy
800
x35747
1537A
Arithmetic Array
greedy
,
math
800
x36061
1385B
Restore the Permutation by Merger
greedy
800
x36289
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x36820
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37273
1358A
Park Lighting
greedy
,
math
800
x38118
1325A
EhAb AnD gCd
constructive algorithms
,
greedy
,
number theory
800
x38202
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x38375
1348A
Phoenix and Balance
greedy
,
math
800
x38396
1878A
How Much Does Daytona Cost?
greedy
800
x38814
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x38974
1927A
Make it White
greedy
,
strings
800
x39670
1807B
Grab the Candies
greedy
800
x39800
1921A
Square
greedy
,
math
800
x39900
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x40693
1472A
Cards for Friends
greedy
,
math
800
x40848
702A
Maximum Increase
dp
,
greedy
,
implementation
800
x41508
1760B
Atilla's Favorite Problem
greedy
,
implementation
,
strings
800
x41769
1399B
Gifts Fixing
greedy
800
x42369
1857A
Array Coloring
greedy
,
math
800
x43555
1873B
Good Kid
brute force
,
greedy
,
math
800
x44321
1742B
Increasing
greedy
,
implementation
,
sortings
800
x44483
1676B
Equal Candies
greedy
,
math
,
sortings
800
x45207
1360B
Honest Coach
greedy
,
sortings
800
x46099
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x46512
1472B
Fair Division
dp
,
greedy
,
math
800
x47523
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47565
1360A
Minimal Square
greedy
,
math
800
x48040
1551A
Polycarp and Coins
greedy
,
math
800
x48449
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x48767
1367B
Even Array
greedy
,
math
800
x50318
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55573
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56682
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x60431
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62543
1399A
Remove Smallest
greedy
,
sortings
800
x62803
996A
Hit the Lottery
dp
,
greedy
800
x84287
469A
I Wanna Be the Guy
greedy
,
implementation
800
x91474
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x198510
50A
Domino piling
greedy
,
math
800
x228989
231A
Team
brute force
,
greedy
800
x299582
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