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Codeforces Round 941 (Div. 1)
4 days
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Before contest
Codeforces Round 941 (Div. 2)
4 days
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brute force
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Problems
#
Name
4A
Watermelon
brute force
,
math
800
x478778
231A
Team
brute force
,
greedy
800
x297488
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x192018
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x166543
271A
Beautiful Year
brute force
800
x126826
122A
Lucky Division
brute force
,
number theory
1000
x115460
479A
Expression
brute force
,
math
1000
x88224
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x83585
25A
IQ test
brute force
1300
x80726
268A
Games
brute force
800
x80502
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x70447
155A
I_love_\%username\%
brute force
800
x70299
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x66848
189A
Cut Ribbon
brute force
,
dp
1300
x62171
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x61978
1512A
Spy Detected!
brute force
,
implementation
800
x59533
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x49410
80A
Panoramix's Prediction
brute force
800
x49230
363B
Fence
brute force
,
dp
1100
x48904
1873A
Short Sort
brute force
,
implementation
800
x48160
279B
Books
binary search
,
brute force
,
implementation
,
two pointers
1400
x47421
1475B
New Year's Number
brute force
,
dp
,
math
900
x46201
1343A
Candies
brute force
,
math
900
x46142
1535A
Fair Playoff
brute force
,
implementation
800
x46079
460A
Vasya and Socks
brute force
,
implementation
,
math
900
x44148
1873B
Good Kid
brute force
,
greedy
,
math
800
x43714
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x42645
935A
Fafa and his Company
brute force
,
implementation
800
x41402
327A
Flipping Game
brute force
,
dp
,
implementation
1200
x39843
1941A
Rudolf and the Ticket
brute force
,
math
800
x38253
1915B
Not Quite Latin Square
bitmasks
,
brute force
,
implementation
800
x38049
509A
Maximum in Table
brute force
,
implementation
800
x37171
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37081
1097A
Gennady and a Card Game
brute force
,
implementation
800
x36900
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x36607
550A
Two Substrings
brute force
,
dp
,
greedy
,
implementation
,
strings
1500
x36138
1538A
Stone Game
brute force
,
dp
,
greedy
800
x35645
467B
Fedor and New Game
bitmasks
,
brute force
,
constructive algorithms
,
implementation
1100
x35645
466C
Number of Ways
binary search
,
brute force
,
data structures
,
dp
,
two pointers
1700
x34454
1363A
Odd Selection
brute force
,
implementation
,
math
1200
x34249
1703C
Cypher
brute force
,
implementation
,
strings
800
x33958
214A
System of Equations
brute force
800
x33520
320A
Magic Numbers
brute force
,
greedy
900
x33455
1931A
Recovering a Small String
brute force
,
strings
800
x33229
894A
QAQ
brute force
,
dp
800
x32752
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x31947
1633A
Div. 7
brute force
800
x31775
1490C
Sum of Cubes
binary search
,
brute force
,
brute force
,
math
1100
x31131
1462C
Unique Number
brute force
,
greedy
,
math
900
x31102
1339A
Filling Diamonds
brute force
,
dp
,
implementation
,
math
900
x30982
1691A
Beat The Odds
brute force
,
greedy
,
math
800
x29773
1473B
String LCM
brute force
,
math
,
number theory
,
strings
1000
x29564
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x29503
1709A
Three Doors
brute force
,
greedy
,
implementation
,
math
800
x28921
476B
Dreamoon and WiFi
bitmasks
,
brute force
,
combinatorics
,
dp
,
math
,
probabilities
1300
x28920
711A
Bus to Udayland
brute force
,
implementation
800
x28776
1359A
Berland Poker
brute force
,
greedy
,
math
1000
x28708
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x28653
1851A
Escalator Conversations
brute force
,
constructive algorithms
,
math
800
x28510
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28510
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x28461
1409B
Minimum Product
brute force
,
greedy
,
math
1100
x28190
1772B
Matrix Rotation
brute force
,
implementation
800
x28103
1328B
K-th Beautiful String
binary search
,
brute force
,
combinatorics
,
implementation
,
math
1300
x28022
1698A
XOR Mixup
bitmasks
,
brute force
800
x27715
1399C
Boats Competition
brute force
,
greedy
,
two pointers
1200
x27683
1853A
Desorting
brute force
,
greedy
,
math
800
x27672
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27427
1324B
Yet Another Palindrome Problem
brute force
,
strings
1100
x27386
330A
Cakeminator
brute force
,
implementation
800
x27340
1788A
One and Two
brute force
,
implementation
,
math
800
x27313
1555A
PizzaForces
brute force
,
math
900
x27181
550C
Divisibility by Eight
brute force
,
dp
,
math
1500
x27165
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x27059
1359B
New Theatre Square
brute force
,
dp
,
greedy
,
implementation
,
two pointers
1000
x27025
1881A
Don't Try to Count
brute force
,
strings
800
x27003
1364A
XXXXX
brute force
,
data structures
,
number theory
,
two pointers
1200
x26714
919B
Perfect Number
binary search
,
brute force
,
dp
,
implementation
,
number theory
1100
x26685
1791D
Distinct Split
brute force
,
greedy
,
strings
1000
x26644
1097B
Petr and a Combination Lock
bitmasks
,
brute force
,
dp
1200
x26424
1541B
Pleasant Pairs
brute force
,
implementation
,
math
,
number theory
1200
x26350
1920A
Satisfying Constraints
brute force
,
greedy
,
math
800
x26330
1382A
Common Subsequence
brute force
800
x26027
1743A
Password
brute force
,
combinatorics
,
implementation
,
math
800
x25994
1391B
Fix You
brute force
,
greedy
,
implementation
800
x25961
1846B
Rudolph and Tic-Tac-Toe
brute force
,
implementation
,
strings
800
x25943
1941B
Rudolf and 121
brute force
,
dp
,
greedy
,
math
1000
x25860
463B
Caisa and Pylons
brute force
,
implementation
,
math
1100
x25694
1931C
Make Equal Again
brute force
,
greedy
,
math
1000
x25688
1948A
Special Characters
brute force
,
constructive algorithms
800
x25673
1478A
Nezzar and Colorful Balls
brute force
,
greedy
800
x25668
1490B
Balanced Remainders
brute force
,
constructive algorithms
,
math
1000
x25545
1345B
Card Constructions
binary search
,
brute force
,
dp
,
math
1100
x25443
1355A
Sequence with Digits
brute force
,
implementation
,
math
1200
x25426
1927C
Choose the Different Ones!
brute force
,
greedy
,
math
1000
x25248
224A
Parallelepiped
brute force
,
geometry
,
math
1100
x25243
199A
Hexadecimal's theorem
brute force
,
constructive algorithms
,
implementation
,
number theory
900
x24969
352A
Jeff and Digits
brute force
,
implementation
,
math
1000
x24547
1388A
Captain Flint and Crew Recruitment
brute force
,
greedy
,
math
,
number theory
800
x24522
1886A
Sum of Three
brute force
,
constructive algorithms
,
math
800
x24400
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