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Kotlin Heroes: Practice 10
09:08:07
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Kotlin Heroes: Episode 10
10:08:07
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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
string suffix structures
strings
ternary search
trees
two pointers
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Custom test
Problems
#
Name
448D
Multiplication Table
binary search
,
brute force
1800
x13298
446B
DZY Loves Modification
brute force
,
data structures
,
greedy
2000
x3515
443B
Kolya and Tandem Repeat
brute force
,
implementation
,
strings
1500
x3984
442A
Borya and Hanabi
bitmasks
,
brute force
,
implementation
1700
x2093
440C
One-Based Arithmetic
brute force
,
dfs and similar
,
divide and conquer
1800
x889
439C
Devu and Partitioning of the Array
brute force
,
constructive algorithms
,
implementation
,
number theory
1700
x3797
436F
Banners
brute force
,
data structures
,
dp
3000
x358
435D
Special Grid
brute force
,
dp
,
greedy
2000
x746
433A
Kitahara Haruki's Gift
brute force
,
implementation
1100
x15760
432B
Football Kit
brute force
,
greedy
,
implementation
1200
x11473
431B
Shower Line
brute force
,
implementation
1200
x10481
430B
Balls Game
brute force
,
two pointers
1400
x3628
425A
Sereja and Swaps
brute force
,
sortings
1500
x3811
424D
Biathlon Track
binary search
,
brute force
,
constructive algorithms
,
data structures
,
dp
2300
x557
416B
Art Union
brute force
,
dp
,
implementation
1300
x8521
409H
A + B Strikes Back
*special problem
,
brute force
,
constructive algorithms
,
dsu
,
implementation
1500
x8687
407C
Curious Array
brute force
,
combinatorics
,
implementation
,
math
2500
x954
407A
Triangle
brute force
,
geometry
,
implementation
,
math
1600
x4747
402C
Searching for Graph
brute force
,
constructive algorithms
,
graphs
1500
x5701
402B
Trees in a Row
brute force
,
implementation
1400
x3689
401D
Roman and Numbers
bitmasks
,
brute force
,
combinatorics
,
dp
,
number theory
2000
x3971
400B
Inna and New Matrix of Candies
brute force
,
implementation
,
schedules
1200
x7339
394D
Physical Education and Buns
brute force
,
implementation
,
math
x261
394A
Counting Sticks
brute force
,
implementation
x2633
391D1
Supercollider
brute force
x201
391C1
The Tournament
brute force
x182
391B
Word Folding
brute force
x380
387B
George and Round
brute force
,
greedy
,
two pointers
1200
x11917
386B
Fly, freebies, fly!
binary search
,
brute force
,
implementation
1400
x2087
385C
Bear and Prime Numbers
binary search
,
brute force
,
data structures
,
dp
,
implementation
,
math
,
number theory
1700
x9388
385B
Bear and Strings
brute force
,
greedy
,
implementation
,
math
,
strings
1200
x9540
385A
Bear and Raspberry
brute force
,
greedy
,
implementation
1000
x16226
380A
Sereja and Prefixes
binary search
,
brute force
1600
x2652
379D
New Year Letter
bitmasks
,
brute force
,
dp
2000
x1483
378A
Playing with Dice
brute force
800
x23119
372B
Counting Rectangles is Fun
brute force
,
divide and conquer
,
dp
1900
x2518
371C
Hamburgers
binary search
,
brute force
1600
x23656
370D
Broken Monitor
brute force
,
constructive algorithms
,
greedy
,
implementation
2100
x611
366E
Dima and Magic Guitar
brute force
,
implementation
,
math
2200
x743
366B
Dima and To-do List
brute force
,
implementation
1200
x6724
364D
Ghd
brute force
,
math
,
probabilities
2900
x1965
364C
Beautiful Set
brute force
,
number theory
2300
x582
363E
Two Circles
brute force
,
data structures
,
implementation
2500
x192
363B
Fence
brute force
,
dp
1100
x49244
359D
Pair of Numbers
binary search
,
brute force
,
data structures
,
math
,
two pointers
2000
x4832
358E
Dima and Kicks
brute force
,
dsu
,
graphs
,
implementation
2300
x386
358B
Dima and Text Messages
brute force
,
strings
1500
x3681
358A
Dima and Continuous Line
brute force
,
implementation
1400
x7604
357A
Group of Students
brute force
,
greedy
,
implementation
1000
x6694
354C
Vasya and Beautiful Arrays
brute force
,
dp
,
number theory
2100
x2980
354A
Vasya and Robot
brute force
,
greedy
,
math
1500
x5393
352A
Jeff and Digits
brute force
,
implementation
,
math
1000
x24654
350E
Wrong Floyd
brute force
,
constructive algorithms
,
dfs and similar
,
graphs
2200
x750
350A
TL
brute force
,
greedy
,
implementation
1200
x15973
348C
Subset Sums
brute force
,
data structures
2500
x2092
347B
Fixed Points
brute force
,
implementation
,
math
1100
x9143
344B
Simple Molecules
brute force
,
graphs
,
math
1200
x8666
343E
Pumping Stations
brute force
,
dfs and similar
,
divide and conquer
,
flows
,
graphs
,
greedy
,
trees
2900
x685
342B
Xenia and Spies
brute force
,
greedy
,
implementation
1500
x3984
340B
Maximal Area Quadrilateral
brute force
,
geometry
2100
x2025
337E
Divisor Tree
brute force
,
number theory
,
trees
2200
x1005
336C
Vasily the Bear and Sequence
brute force
,
greedy
,
implementation
,
number theory
1800
x2370
335D
Rectangles and Square
brute force
,
dp
2400
x304
333E
Summer Earnings
binary search
,
bitmasks
,
brute force
,
geometry
,
sortings
2500
x1070
333D
Characteristics of Rectangles
binary search
,
bitmasks
,
brute force
,
implementation
,
sortings
2100
x1849
333C
Lucky Tickets
brute force
,
constructive algorithms
2700
x374
331A1
Oh Sweet Beaverette
brute force
,
implementation
1400
x1337
330A
Cakeminator
brute force
,
implementation
800
x27464
327A
Flipping Game
brute force
,
dp
,
implementation
1200
x40023
320A
Magic Numbers
brute force
,
greedy
900
x33662
317B
Ants
brute force
,
implementation
2000
x1547
317A
Perfect Pair
brute force
1600
x4531
316E1
Summer Homework
brute force
,
data structures
1500
x1447
316D1
PE Lesson
brute force
,
dp
2300
x479
316B1
EKG
brute force
,
dfs and similar
1500
x1359
315A
Sereja and Bottles
brute force
1400
x10718
311C
Fetch the Treasure
brute force
,
data structures
,
graphs
,
shortest paths
2500
x475
309D
Tennis Rackets
brute force
,
geometry
2700
x172
305B
Continued Fractions
brute force
,
implementation
,
math
1700
x2032
305A
Strange Addition
brute force
,
constructive algorithms
,
implementation
1600
x4622
304B
Calendar
brute force
,
implementation
1300
x2920
304A
Pythagorean Theorem II
brute force
,
math
1200
x10110
303C
Minimum Modular
brute force
,
graphs
,
math
,
number theory
2400
x854
300C
Beautiful Numbers
brute force
,
combinatorics
1800
x8873
300B
Coach
brute force
,
dfs and similar
,
graphs
1500
x6110
300A
Array
brute force
,
constructive algorithms
,
implementation
1100
x21904
299B
Ksusha the Squirrel
brute force
,
implementation
900
x5125
299A
Ksusha and Array
brute force
,
number theory
,
sortings
1000
x7752
298B
Sail
brute force
,
greedy
,
implementation
1200
x13544
294D
Shaass and Painter Robot
brute force
,
implementation
,
number theory
2500
x299
293C
Cube Problem
brute force
,
math
,
number theory
2400
x552
293B
Distinct Paths
brute force
,
combinatorics
2700
x773
292C
Beautiful IP Addresses
brute force
2000
x931
291C
Network Mask
*special problem
,
bitmasks
,
brute force
,
implementation
1600
x1665
289B
Polo the Penguin and Matrix
brute force
,
dp
,
implementation
,
sortings
,
ternary search
1400
x16754
289A
Polo the Penguin and Segments
brute force
,
implementation
1100
x8715
287A
IQ Test
brute force
,
implementation
1100
x18833
284B
Cows and Poker Game
brute force
,
implementation
1000
x6667
281B
Nearest Fraction
brute force
,
implementation
,
two pointers
1700
x2926
280E
Sequence Transformation
brute force
,
data structures
,
dp
,
implementation
,
math
3000
x196
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