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Before contest
Codeforces Round 941 (Div. 1)
34:55:42
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Before contest
Codeforces Round 941 (Div. 2)
34:55:43
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brute force
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
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Problems
#
Name
4A
Watermelon
brute force
,
math
800
x479293
231A
Team
brute force
,
greedy
800
x297838
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x192280
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x166723
271A
Beautiful Year
brute force
800
x126965
268A
Games
brute force
800
x80602
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x70524
155A
I_love_\%username\%
brute force
800
x70369
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x66951
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x62105
1512A
Spy Detected!
brute force
,
implementation
800
x59625
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x49450
80A
Panoramix's Prediction
brute force
800
x49292
1873A
Short Sort
brute force
,
implementation
800
x48264
1535A
Fair Playoff
brute force
,
implementation
800
x46124
1873B
Good Kid
brute force
,
greedy
,
math
800
x43799
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x42679
935A
Fafa and his Company
brute force
,
implementation
800
x41424
1941A
Rudolf and the Ticket
brute force
,
math
800
x38354
1915B
Not Quite Latin Square
bitmasks
,
brute force
,
implementation
800
x38117
509A
Maximum in Table
brute force
,
implementation
800
x37179
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37114
1097A
Gennady and a Card Game
brute force
,
implementation
800
x36919
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x36660
1538A
Stone Game
brute force
,
dp
,
greedy
800
x35657
1703C
Cypher
brute force
,
implementation
,
strings
800
x33984
214A
System of Equations
brute force
800
x33538
1931A
Recovering a Small String
brute force
,
strings
800
x33284
894A
QAQ
brute force
,
dp
800
x32790
1633A
Div. 7
brute force
800
x31797
1691A
Beat The Odds
brute force
,
greedy
,
math
800
x29789
1709A
Three Doors
brute force
,
greedy
,
implementation
,
math
800
x28928
711A
Bus to Udayland
brute force
,
implementation
800
x28783
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x28675
1851A
Escalator Conversations
brute force
,
constructive algorithms
,
math
800
x28533
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28522
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x28475
1772B
Matrix Rotation
brute force
,
implementation
800
x28120
1853A
Desorting
brute force
,
greedy
,
math
800
x27730
1698A
XOR Mixup
bitmasks
,
brute force
800
x27726
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27433
1788A
One and Two
brute force
,
implementation
,
math
800
x27359
330A
Cakeminator
brute force
,
implementation
800
x27358
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x27080
1881A
Don't Try to Count
brute force
,
strings
800
x27071
1920A
Satisfying Constraints
brute force
,
greedy
,
math
800
x26358
1382A
Common Subsequence
brute force
800
x26034
1743A
Password
brute force
,
combinatorics
,
implementation
,
math
800
x26015
1391B
Fix You
brute force
,
greedy
,
implementation
800
x25980
1846B
Rudolph and Tic-Tac-Toe
brute force
,
implementation
,
strings
800
x25963
1948A
Special Characters
brute force
,
constructive algorithms
800
x25792
1478A
Nezzar and Colorful Balls
brute force
,
greedy
800
x25679
1388A
Captain Flint and Crew Recruitment
brute force
,
greedy
,
math
,
number theory
800
x24525
1886A
Sum of Three
brute force
,
constructive algorithms
,
math
800
x24421
1728A
Colored Balls: Revisited
brute force
,
greedy
,
implementation
,
sortings
800
x24321
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x23834
1766A
Extremely Round
brute force
,
implementation
800
x23750
988A
Diverse Team
brute force
,
implementation
800
x23747
1657A
Integer Moves
brute force
,
math
800
x23644
1903A
Halloumi Boxes
brute force
,
greedy
,
sortings
800
x23579
1822A
TubeTube Feed
brute force
,
implementation
800
x23564
1795A
Two Towers
brute force
,
implementation
,
strings
800
x23210
378A
Playing with Dice
brute force
800
x23057
1614A
Divan and a Store
brute force
,
constructive algorithms
,
greedy
800
x23016
1598A
Computer Game
brute force
,
dfs and similar
,
dp
,
implementation
800
x22704
1498A
GCD Sum
brute force
,
math
800
x22620
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22396
1466A
Bovine Dilemma
brute force
,
geometry
,
math
800
x22257
999A
Mishka and Contest
brute force
,
implementation
800
x22181
1637A
Sorting Parts
brute force
,
sortings
800
x22056
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x21795
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x21619
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x21283
1228A
Distinct Digits
brute force
,
implementation
800
x21192
1680A
Minimums and Maximums
brute force
,
math
800
x20993
1230A
Dawid and Bags of Candies
brute force
,
implementation
800
x20954
1805A
We Need the Zero
bitmasks
,
brute force
800
x20866
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20842
1269A
Equation
brute force
,
math
800
x20823
22A
Second Order Statistics
brute force
800
x20775
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20730
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20698
1688A
Cirno's Perfect Bitmasks Classroom
bitmasks
,
brute force
800
x20582
1644B
Anti-Fibonacci Permutation
brute force
,
constructive algorithms
,
implementation
800
x20432
1810A
Beautiful Sequence
brute force
,
greedy
800
x20322
855A
Tom Riddle's Diary
brute force
,
implementation
,
strings
800
x20044
1536A
Omkar and Bad Story
brute force
,
constructive algorithms
800
x20024
1200A
Hotelier
brute force
,
data structures
,
implementation
800
x19906
1623A
Robot Cleaner
brute force
,
implementation
,
math
800
x19875
1323A
Even Subset Sum Problem
brute force
,
dp
,
greedy
,
implementation
800
x19312
1775A1
Gardener and the Capybaras (easy version)
brute force
,
constructive algorithms
,
implementation
800
x19288
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x18720
1796A
Typical Interview Problem
brute force
,
implementation
,
strings
800
x18530
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18399
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18196
1546A
AquaMoon and Two Arrays
brute force
,
greedy
800
x18063
1491A
K-th Largest Value
brute force
,
greedy
,
implementation
800
x18028
1437A
Marketing Scheme
brute force
,
constructive algorithms
,
greedy
,
math
800
x17814
1191A
Tokitsukaze and Enhancement
brute force
800
x17690
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x17574
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