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Kotlin Heroes: Practice 10
11:40:05
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Kotlin Heroes: Episode 10
12:40:05
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brute force
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
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strings
ternary search
trees
two pointers
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Custom test
Problems
#
Name
4A
Watermelon
brute force
,
math
800
x482743
231A
Team
brute force
,
greedy
800
x300020
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x193803
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x168068
271A
Beautiful Year
brute force
800
x127880
122A
Lucky Division
brute force
,
number theory
1000
x116301
479A
Expression
brute force
,
math
1000
x88835
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x84058
25A
IQ test
brute force
1300
x81306
268A
Games
brute force
800
x81095
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x70996
155A
I_love_\%username\%
brute force
800
x70689
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x67442
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x62915
189A
Cut Ribbon
brute force
,
dp
1300
x62726
1512A
Spy Detected!
brute force
,
implementation
800
x60040
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x49723
80A
Panoramix's Prediction
brute force
800
x49685
363B
Fence
brute force
,
dp
1100
x49244
1873A
Short Sort
brute force
,
implementation
800
x48896
279B
Books
binary search
,
brute force
,
implementation
,
two pointers
1400
x47900
1475B
New Year's Number
brute force
,
dp
,
math
900
x46477
1535A
Fair Playoff
brute force
,
implementation
800
x46435
1343A
Candies
brute force
,
math
900
x46327
1873B
Good Kid
brute force
,
greedy
,
math
800
x44463
460A
Vasya and Socks
brute force
,
implementation
,
math
900
x44320
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x42879
935A
Fafa and his Company
brute force
,
implementation
800
x41560
327A
Flipping Game
brute force
,
dp
,
implementation
1200
x40019
1941A
Rudolf and the Ticket
brute force
,
math
800
x38914
1915B
Not Quite Latin Square
bitmasks
,
brute force
,
implementation
800
x38616
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37314
509A
Maximum in Table
brute force
,
implementation
800
x37269
1097A
Gennady and a Card Game
brute force
,
implementation
800
x37061
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x36863
550A
Two Substrings
brute force
,
dp
,
greedy
,
implementation
,
strings
1500
x36336
467B
Fedor and New Game
bitmasks
,
brute force
,
constructive algorithms
,
implementation
1100
x35987
1538A
Stone Game
brute force
,
dp
,
greedy
800
x35765
466C
Number of Ways
binary search
,
brute force
,
data structures
,
dp
,
two pointers
1700
x34614
1363A
Odd Selection
brute force
,
implementation
,
math
1200
x34416
1703C
Cypher
brute force
,
implementation
,
strings
800
x34203
214A
System of Equations
brute force
800
x33679
320A
Magic Numbers
brute force
,
greedy
900
x33661
1931A
Recovering a Small String
brute force
,
strings
800
x33571
894A
QAQ
brute force
,
dp
800
x32954
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x32457
1633A
Div. 7
brute force
800
x31904
1490C
Sum of Cubes
binary search
,
brute force
,
brute force
,
math
1100
x31451
1462C
Unique Number
brute force
,
greedy
,
math
900
x31278
1339A
Filling Diamonds
brute force
,
dp
,
implementation
,
math
900
x31117
1691A
Beat The Odds
brute force
,
greedy
,
math
800
x29857
1473B
String LCM
brute force
,
math
,
number theory
,
strings
1000
x29713
1535B
Array Reodering
brute force
,
greedy
,
math
,
number theory
,
sortings
900
x29624
476B
Dreamoon and WiFi
bitmasks
,
brute force
,
combinatorics
,
dp
,
math
,
probabilities
1300
x29070
1709A
Three Doors
brute force
,
greedy
,
implementation
,
math
800
x29035
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x28846
711A
Bus to Udayland
brute force
,
implementation
800
x28821
1359A
Berland Poker
brute force
,
greedy
,
math
1000
x28765
1851A
Escalator Conversations
brute force
,
constructive algorithms
,
math
800
x28636
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28553
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x28541
1409B
Minimum Product
brute force
,
greedy
,
math
1100
x28258
1772B
Matrix Rotation
brute force
,
implementation
800
x28192
1328B
K-th Beautiful String
binary search
,
brute force
,
combinatorics
,
implementation
,
math
1300
x28154
1853A
Desorting
brute force
,
greedy
,
math
800
x28025
1698A
XOR Mixup
bitmasks
,
brute force
800
x27868
1399C
Boats Competition
brute force
,
greedy
,
two pointers
1200
x27790
1788A
One and Two
brute force
,
implementation
,
math
800
x27609
1881A
Don't Try to Count
brute force
,
strings
800
x27496
1324B
Yet Another Palindrome Problem
brute force
,
strings
1100
x27496
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27470
330A
Cakeminator
brute force
,
implementation
800
x27463
1555A
PizzaForces
brute force
,
math
900
x27292
550C
Divisibility by Eight
brute force
,
dp
,
math
1500
x27280
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x27268
1359B
New Theatre Square
brute force
,
dp
,
greedy
,
implementation
,
two pointers
1000
x27076
1791D
Distinct Split
brute force
,
greedy
,
strings
1000
x26978
919B
Perfect Number
binary search
,
brute force
,
dp
,
implementation
,
number theory
1100
x26904
1364A
XXXXX
brute force
,
data structures
,
number theory
,
two pointers
1200
x26802
1097B
Petr and a Combination Lock
bitmasks
,
brute force
,
dp
1200
x26626
1541B
Pleasant Pairs
brute force
,
implementation
,
math
,
number theory
1200
x26527
1920A
Satisfying Constraints
brute force
,
greedy
,
math
800
x26489
1941B
Rudolf and 121
brute force
,
dp
,
greedy
,
math
1000
x26436
1948A
Special Characters
brute force
,
constructive algorithms
800
x26276
1743A
Password
brute force
,
combinatorics
,
implementation
,
math
800
x26135
1846B
Rudolph and Tic-Tac-Toe
brute force
,
implementation
,
strings
800
x26104
1382A
Common Subsequence
brute force
800
x26083
1931C
Make Equal Again
brute force
,
greedy
,
math
1000
x26072
1391B
Fix You
brute force
,
greedy
,
implementation
800
x26067
463B
Caisa and Pylons
brute force
,
implementation
,
math
1100
x25847
1478A
Nezzar and Colorful Balls
brute force
,
greedy
800
x25717
1968A
Maximize?
brute force
,
math
,
number theory
800
x25711
1490B
Balanced Remainders
brute force
,
constructive algorithms
,
math
1000
x25605
1927C
Choose the Different Ones!
brute force
,
greedy
,
math
1000
x25580
1355A
Sequence with Digits
brute force
,
implementation
,
math
1200
x25495
1345B
Card Constructions
binary search
,
brute force
,
dp
,
math
1100
x25488
224A
Parallelepiped
brute force
,
geometry
,
math
1100
x25396
199A
Hexadecimal's theorem
brute force
,
constructive algorithms
,
implementation
,
number theory
900
x25127
352A
Jeff and Digits
brute force
,
implementation
,
math
1000
x24654
1388A
Captain Flint and Crew Recruitment
brute force
,
greedy
,
math
,
number theory
800
x24549
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