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Kotlin Heroes: Practice 6
24:25:23
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Educational Codeforces Round 105 (Rated for Div. 2)
25:25:24
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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
4A
Watermelon
brute force
,
math
800
x200055
231A
Team
brute force
,
greedy
800
x114339
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x74442
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x66650
271A
Beautiful Year
brute force
800
x52744
268A
Games
brute force
800
x38379
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x31532
155A
I_love_\%username\%
brute force
800
x31148
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x30809
509A
Maximum in Table
brute force
,
implementation
800
x24842
1097A
Gennady and a Card Game
brute force
,
implementation
800
x24131
935A
Fafa and his Company
brute force
,
implementation
800
x23544
711A
Bus to Udayland
brute force
,
implementation
800
x21980
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x21605
1382A
Common Subsequence
brute force
800
x21208
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x20656
1388A
Captain Flint and Crew Recruitment
brute force
,
greedy
,
math
,
number theory
800
x20253
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x20092
80A
Panoramix's Prediction
brute force
800
x19288
894A
QAQ
brute force
,
dp
800
x19132
1478A
Nezzar and Colorful Balls
brute force
,
greedy
800
x18875
1391B
Fix You
brute force
,
greedy
,
implementation
800
x18746
1466A
Bovine Dilemma
brute force
,
geometry
,
math
800
x18364
214A
System of Equations
brute force
800
x17423
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x17384
1228A
Distinct Digits
brute force
,
implementation
800
x16898
330A
Cakeminator
brute force
,
implementation
800
x16826
1230A
Dawid and Bags of Candies
brute force
,
implementation
800
x16688
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x15756
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x15621
988A
Diverse Team
brute force
,
implementation
800
x15605
999A
Mishka and Contest
brute force
,
implementation
800
x15195
378A
Playing with Dice
brute force
800
x15111
1437A
Marketing Scheme
brute force
,
constructive algorithms
,
greedy
,
math
800
x14978
1091A
New Year and the Christmas Ornament
brute force
,
implementation
,
math
800
x14959
1200A
Hotelier
brute force
,
data structures
,
implementation
800
x14924
1323A
Even Subset Sum Problem
brute force
,
dp
,
greedy
,
implementation
800
x14922
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x14871
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x14400
1191A
Tokitsukaze and Enhancement
brute force
800
x14276
1269A
Equation
brute force
,
math
800
x14098
1236A
Stones
brute force
,
greedy
,
math
800
x13111
764A
Taymyr is calling you
brute force
,
implementation
,
math
800
x13086
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x12722
918A
Eleven
brute force
,
implementation
800
x12629
1088A
Ehab and another construction problem
brute force
,
constructive algorithms
800
x12612
908A
New Year and Counting Cards
brute force
,
implementation
800
x12460
919A
Supermarket
brute force
,
greedy
,
implementation
800
x12452
755A
PolandBall and Hypothesis
brute force
,
graphs
,
math
,
number theory
800
x12350
1271A
Suits
brute force
,
greedy
,
math
800
x12249
1415A
Prison Break
brute force
,
math
800
x11917
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x11804
1491A
K-th Largest Value
brute force
,
greedy
,
implementation
800
x11147
855A
Tom Riddle's Diary
brute force
,
implementation
,
strings
800
x10893
854A
Fraction
brute force
,
constructive algorithms
,
math
800
x10648
796A
Buying A House
brute force
,
implementation
800
x10248
629A
Far Relative’s Birthday Cake
brute force
,
combinatorics
,
constructive algorithms
,
implementation
800
x9597
1060A
Phone Numbers
brute force
800
x9475
811A
Vladik and Courtesy
brute force
,
implementation
800
x9470
22A
Second Order Statistics
brute force
800
x9297
931A
Friends Meeting
brute force
,
greedy
,
implementation
,
math
800
x9101
202A
LLPS
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
strings
800
x8732
47A
Triangular numbers
brute force
,
math
800
x8463
888A
Local Extrema
brute force
,
implementation
800
x8245
747A
Display Size
brute force
,
math
800
x7532
32A
Reconnaissance
brute force
800
x5988
794A
Bank Robbery
brute force
,
implementation
800
x5704
157A
Game Outcome
brute force
800
x5509
46A
Ball Game
brute force
,
implementation
800
x5431
1250F
Data Center
brute force
,
implementation
800
x4958
172A
Phone Code
*special problem
,
brute force
,
implementation
800
x4061
181A
Series of Crimes
brute force
,
geometry
,
implementation
800
x3978
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x47460
1343A
Candies
brute force
,
math
900
x28489
460A
Vasya and Socks
brute force
,
implementation
,
math
900
x27518
1475B
New Year's Number
brute force
,
dp
,
math
900
x22388
1339A
Filling Diamonds
brute force
,
dp
,
implementation
,
math
900
x21626
1462C
Unique Number
brute force
,
greedy
,
math
900
x17533
320A
Magic Numbers
brute force
,
greedy
900
x17094
1380A
Three Indices
brute force
,
data structures
900
x15293
1430A
Number of Apartments
brute force
,
constructive algorithms
,
math
900
x14827
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x14794
1005B
Delete from the Left
brute force
,
implementation
,
strings
900
x12803
199A
Hexadecimal's theorem
brute force
,
constructive algorithms
,
implementation
,
number theory
900
x12572
1313A
Fast Food Restaurant
brute force
,
greedy
,
implementation
900
x12090
670A
Holidays
brute force
,
constructive algorithms
,
greedy
,
math
900
x12038
496A
Minimum Difficulty
brute force
,
implementation
,
math
900
x11844
706A
Beru-taxi
brute force
,
geometry
,
implementation
900
x11508
6A
Triangle
brute force
,
geometry
900
x11093
205A
Little Elephant and Rozdil
brute force
,
implementation
900
x11068
1351B
Square?
brute force
,
implementation
,
math
900
x10922
841A
Generous Kefa
brute force
,
implementation
900
x10420
914A
Perfect Squares
brute force
,
implementation
,
math
900
x10388
554A
Kyoya and Photobooks
brute force
,
math
,
strings
900
x10083
948A
Protect Sheep
brute force
,
dfs and similar
,
graphs
,
implementation
900
x8989
776A
A Serial Killer
brute force
,
implementation
,
strings
900
x8854
870A
Search for Pretty Integers
brute force
,
implementation
900
x8316
215A
Bicycle Chain
brute force
,
implementation
900
x7668
631A
Interview
brute force
,
implementation
900
x7319
916A
Jamie and Alarm Snooze
brute force
,
implementation
,
math
900
x7253
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