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Kotlin Heroes: Practice 10
14:17:13
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Kotlin Heroes: Episode 10
15:17:13
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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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Problems
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Custom test
Problems
#
Name
80A
Panoramix's Prediction
brute force
800
x49683
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x49723
1624A
Plus One on the Subset
math
800
x49841
1915A
Odd One Out
bitmasks
,
implementation
800
x49854
1352C
K-th Not Divisible by n
binary search
,
math
1200
x50068
500A
New Year Transportation
dfs and similar
,
graphs
,
implementation
1000
x50309
1367B
Even Array
greedy
,
math
800
x50364
1374A
Required Remainder
math
800
x50672
1850A
To My Critics
implementation
,
sortings
800
x51228
431A
Black Square
implementation
800
x51576
43A
Football
strings
1000
x52210
9A
Die Roll
math
,
probabilities
800
x52637
703A
Mishka and Game
implementation
800
x53630
313A
Ilya and Bank Account
implementation
,
number theory
900
x53659
1343B
Balanced Array
constructive algorithms
,
math
800
x53748
1760A
Medium Number
implementation
,
sortings
800
x53939
455A
Boredom
dp
1500
x54338
1367A
Short Substrings
implementation
,
strings
800
x54915
1791A
Codeforces Checking
implementation
,
strings
800
x55153
1475A
Odd Divisor
math
,
number theory
900
x55343
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55629
1807A
Plus or Minus
implementation
800
x55930
1560A
Dislike of Threes
implementation
800
x55980
579A
Raising Bacteria
bitmasks
1000
x56383
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56717
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x57066
1669A
Division?
implementation
800
x57319
758A
Holiday Of Equality
implementation
,
math
800
x57396
1676A
Lucky?
implementation
800
x58175
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x58500
32B
Borze
expression parsing
,
implementation
800
x58876
466A
Cheap Travel
implementation
1200
x59656
1512A
Spy Detected!
brute force
,
implementation
800
x60039
1692A
Marathon
implementation
800
x60066
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x60529
630A
Again Twenty Five!
number theory
800
x62119
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62585
451A
Game With Sticks
implementation
900
x62726
189A
Cut Ribbon
brute force
,
dp
1300
x62726
1399A
Remove Smallest
greedy
,
sortings
800
x62848
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x62914
1742A
Sum
implementation
800
x64887
151A
Soft Drinking
implementation
,
math
800
x65923
339B
Xenia and Ringroad
implementation
1000
x66461
1154A
Restoring Three Numbers
math
800
x66476
581A
Vasya the Hipster
implementation
,
math
800
x67254
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x67442
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x69983
155A
I_love_\%username\%
brute force
800
x70688
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x70934
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x70994
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x71257
1352A
Sum of Round Numbers
implementation
,
math
800
x72173
427A
Police Recruits
implementation
800
x72636
230A
Dragons
greedy
,
sortings
1000
x74449
337A
Puzzles
greedy
900
x75665
510A
Fox And Snake
implementation
800
x77226
4C
Registration System
data structures
,
hashing
,
implementation
1300
x77337
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x78014
1335A
Candies and Two Sisters
math
800
x78790
268A
Games
brute force
800
x81094
25A
IQ test
brute force
1300
x81303
131A
cAPS lOCK
implementation
,
strings
1000
x81337
785A
Anton and Polyhedrons
implementation
,
strings
800
x82413
158B
Taxi
*special problem
,
greedy
,
implementation
1100
x82542
208A
Dubstep
strings
900
x83726
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x84058
443A
Anton and Letters
constructive algorithms
,
implementation
800
x84117
996A
Hit the Lottery
dp
,
greedy
800
x84402
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x87257
479A
Expression
brute force
,
math
1000
x88834
144A
Arrival of the General
implementation
800
x89184
520A
Pangram
implementation
,
strings
800
x90017
469A
I Wanna Be the Guy
greedy
,
implementation
800
x91550
1328A
Divisibility Problem
math
800
x93565
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94639
705A
Hulk
implementation
800
x99603
133A
HQ9+
implementation
900
x100153
228A
Is your horseshoe on the other hoof?
implementation
800
x102200
61A
Ultra-Fast Mathematician
implementation
800
x103823
318A
Even Odds
math
900
x106397
200B
Drinks
implementation
,
math
800
x108038
136A
Presents
implementation
800
x109353
486A
Calculating Function
implementation
,
math
800
x109618
160A
Twins
greedy
,
sortings
900
x111046
344A
Magnets
implementation
800
x112051
467A
George and Accommodation
implementation
800
x114024
122A
Lucky Division
brute force
,
number theory
1000
x116301
1030A
In Search of an Easy Problem
implementation
800
x120280
58A
Chat room
greedy
,
strings
1000
x122400
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x127028
271A
Beautiful Year
brute force
800
x127874
677A
Vanya and Fence
implementation
800
x131020
116A
Tram
implementation
800
x132366
41A
Translation
implementation
,
strings
800
x135266
734A
Anton and Danik
implementation
,
strings
800
x140602
110A
Nearly Lucky Number
implementation
800
x142889
96A
Football
implementation
,
strings
900
x149380
977A
Wrong Subtraction
implementation
800
x155295
69A
Young Physicist
implementation
,
math
1000
x155355
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