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Kotlin Heroes: Episode 11
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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
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math
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number theory
probabilities
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Problems
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Name
1452C
Two Brackets
greedy
800
x19464
1452A
Robot Program
math
800
x22069
1451A
Subtract or Divide
greedy
,
math
800
x24178
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x17969
1447A
Add Candies
constructive algorithms
,
math
800
x13779
1445A
Array Rearrangment
greedy
,
sortings
800
x19090
1443A
Kids Seating
constructive algorithms
,
math
800
x16210
1440A
Buy the String
implementation
,
math
800
x19711
1438A
Specific Tastes of Andre
constructive algorithms
,
implementation
800
x19236
1437A
Marketing Scheme
brute force
,
constructive algorithms
,
greedy
,
math
800
x18000
1436A
Reorder
math
800
x22652
1433B
Yet Another Bookshelf
greedy
,
implementation
800
x28369
1433A
Boring Apartments
implementation
,
math
800
x52100
1431A
Selling Hamburgers
*special problem
800
x1859
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19357
1428A
Box is Pull
math
800
x16298
1426A
Floor Number
implementation
,
math
800
x47751
1422A
Fence
geometry
,
math
800
x20866
1421A
XORwice
bitmasks
,
greedy
,
math
800
x28795
1417A
Copy-paste
greedy
,
math
800
x18226
1415A
Prison Break
brute force
,
math
800
x15151
1413A
Finding Sasuke
constructive algorithms
,
math
800
x14751
1411A
In-game Chat
implementation
800
x20591
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x65979
1408A
Circle Coloring
constructive algorithms
800
x12491
1405A
Permutation Forgery
constructive algorithms
800
x21433
1400A
String Similarity
constructive algorithms
,
strings
800
x26991
1399B
Gifts Fixing
greedy
800
x43435
1399A
Remove Smallest
greedy
,
sortings
800
x66159
1398B
Substring Removal Game
games
,
greedy
,
sortings
800
x24571
1398A
Bad Triangle
geometry
,
math
800
x27494
1397A
Juggling Letters
greedy
,
strings
800
x28541
1393A
Rainbow Dash, Fluttershy and Chess Coloring
greedy
,
math
800
x20500
1392B
Omkar and Infinity Clock
implementation
,
math
800
x18468
1392A
Omkar and Password
greedy
,
math
800
x20582
1391B
Fix You
brute force
,
greedy
,
implementation
800
x27178
1391A
Suborrays
constructive algorithms
,
math
800
x24354
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x41035
1388A
Captain Flint and Crew Recruitment
brute force
,
greedy
,
math
,
number theory
800
x24901
1385B
Restore the Permutation by Merger
greedy
800
x37102
1385A
Three Pairwise Maximums
math
800
x39018
1382A
Common Subsequence
brute force
800
x26487
1374A
Required Remainder
math
800
x53518
1372A
Omkar and Completion
constructive algorithms
,
implementation
800
x31889
1371A
Magical Sticks
math
800
x45895
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x51767
1369A
FashionabLee
geometry
,
math
800
x36464
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x39081
1367B
Even Array
greedy
,
math
800
x53302
1367A
Short Substrings
implementation
,
strings
800
x57193
1360B
Honest Coach
greedy
,
sortings
800
x47770
1360A
Minimal Square
greedy
,
math
800
x50372
1358A
Park Lighting
greedy
,
math
800
x39320
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x49421
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x40562
1352A
Sum of Round Numbers
implementation
,
math
800
x78840
1351A
A+B (Trial Problem)
implementation
800
x23729
1348A
Phoenix and Balance
greedy
,
math
800
x39408
1345A
Puzzle Pieces
math
800
x24155
1343B
Balanced Array
constructive algorithms
,
math
800
x56320
1337A
Ichihime and Triangle
constructive algorithms
,
math
800
x38117
1335A
Candies and Two Sisters
math
800
x83799
1328A
Divisibility Problem
math
800
x100515
1325B
CopyCopyCopyCopyCopy
greedy
,
implementation
800
x35940
1325A
EhAb AnD gCd
constructive algorithms
,
greedy
,
number theory
800
x39887
1323A
Even Subset Sum Problem
brute force
,
dp
,
greedy
,
implementation
800
x19740
1316A
Grade Allocation
implementation
800
x18648
1315A
Dead Pixel
implementation
800
x12062
1312A
Two Regular Polygons
geometry
,
greedy
,
math
,
number theory
800
x25884
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x41799
1307A
Cow and Haybales
greedy
,
implementation
800
x14944
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x14036
1304A
Two Rabbits
math
800
x25417
1303A
Erasing Zeroes
implementation
,
strings
800
x32085
1301A
Three Strings
implementation
,
strings
800
x19355
1300A
Non-zero
implementation
,
math
800
x20969
1296A
Array with Odd Sum
math
800
x41560
1294A
Collecting Coins
math
800
x46636
1287A
Angry Students
greedy
,
implementation
800
x20566
1285A
Mezo Playing Zoma
math
800
x28042
1284A
New Year and Naming
implementation
,
strings
800
x17997
1283A
Minutes Before the New Year
math
800
x49537
1281A
Suffix Three
implementation
800
x17933
1271A
Suits
brute force
,
greedy
,
math
800
x14943
1270A
Card Game
games
,
greedy
,
math
800
x16949
1269A
Equation
brute force
,
math
800
x21554
1257A
Two Rival Students
greedy
,
math
800
x20495
1255A
Changing Volume
math
800
x17180
1250F
Data Center
brute force
,
implementation
800
x7262
1249A
Yet Another Dividing into Teams
math
800
x22237
1244A
Pens and Pencils
math
800
x19162
1243A
Maximum Square
implementation
800
x15635
1236A
Stones
brute force
,
greedy
,
math
800
x16278
1234A
Equalize Prices Again
math
800
x27799
1230A
Dawid and Bags of Candies
brute force
,
implementation
800
x21483
1228A
Distinct Digits
brute force
,
implementation
800
x21640
1223A
CME
math
800
x21588
1220A
Cards
implementation
,
sortings
,
strings
800
x29635
1216A
Prefixes
strings
800
x18638
1209A
Paint the Numbers
greedy
,
implementation
,
math
800
x12187
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