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CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
39:54:23
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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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Status
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Custom test
Problems
#
Name
4A
Watermelon
brute force
,
math
800
x473074
71A
Way Too Long Words
strings
800
x347058
231A
Team
brute force
,
greedy
800
x293614
1A
Theatre Square
math
1000
x242488
282A
Bit++
implementation
800
x230608
158A
Next Round
*special problem
,
implementation
800
x228986
50A
Domino piling
greedy
,
math
800
x225096
263A
Beautiful Matrix
implementation
800
x220586
112A
Petya and Strings
implementation
,
strings
800
x205576
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x194910
281A
Word Capitalization
implementation
,
strings
800
x192776
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x189562
118A
String Task
implementation
,
strings
1000
x178852
791A
Bear and Big Brother
implementation
800
x175293
266A
Stones on the Table
implementation
800
x175131
617A
Elephant
math
800
x166875
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x164695
59A
Word
implementation
,
strings
800
x158968
69A
Young Physicist
implementation
,
math
1000
x152903
977A
Wrong Subtraction
implementation
800
x152015
96A
Football
implementation
,
strings
900
x146938
110A
Nearly Lucky Number
implementation
800
x140012
734A
Anton and Danik
implementation
,
strings
800
x137346
41A
Translation
implementation
,
strings
800
x132449
116A
Tram
implementation
800
x130118
677A
Vanya and Fence
implementation
800
x127987
271A
Beautiful Year
brute force
800
x125417
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x125048
58A
Chat room
greedy
,
strings
1000
x120590
1030A
In Search of an Easy Problem
implementation
800
x117486
122A
Lucky Division
brute force
,
number theory
1000
x114446
467A
George and Accommodation
implementation
800
x112079
344A
Magnets
implementation
800
x109783
160A
Twins
greedy
,
sortings
900
x109271
486A
Calculating Function
implementation
,
math
800
x107560
136A
Presents
implementation
800
x107395
200B
Drinks
implementation
,
math
800
x106034
318A
Even Odds
math
900
x104485
61A
Ultra-Fast Mathematician
implementation
800
x102076
228A
Is your horseshoe on the other hoof?
implementation
800
x100197
133A
HQ9+
implementation
900
x98667
705A
Hulk
implementation
800
x97812
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x92820
1328A
Divisibility Problem
math
800
x91685
469A
I Wanna Be the Guy
greedy
,
implementation
800
x89921
520A
Pangram
implementation
,
strings
800
x87867
144A
Arrival of the General
implementation
800
x87525
479A
Expression
brute force
,
math
1000
x87462
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x85874
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x82919
996A
Hit the Lottery
dp
,
greedy
800
x82648
443A
Anton and Letters
constructive algorithms
,
implementation
800
x82598
208A
Dubstep
strings
900
x82394
158B
Taxi
*special problem
,
greedy
,
implementation
1100
x81485
785A
Anton and Polyhedrons
implementation
,
strings
800
x80589
131A
cAPS lOCK
implementation
,
strings
1000
x80218
25A
IQ test
brute force
1300
x79953
268A
Games
brute force
800
x79615
1335A
Candies and Two Sisters
math
800
x77373
141A
Amusing Joke
implementation
,
sortings
,
strings
800
x76794
4C
Registration System
data structures
,
hashing
,
implementation
1300
x75692
510A
Fox And Snake
implementation
800
x75190
337A
Puzzles
greedy
900
x74681
230A
Dragons
greedy
,
sortings
1000
x73135
427A
Police Recruits
implementation
800
x71136
1352A
Sum of Round Numbers
implementation
,
math
800
x70206
492B
Vanya and Lanterns
binary search
,
implementation
,
math
,
sortings
1200
x70155
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x69725
155A
I_love_\%username\%
brute force
800
x69604
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x69234
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x68686
581A
Vasya the Hipster
implementation
,
math
800
x66175
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x66076
339B
Xenia and Ringroad
implementation
1000
x65638
1154A
Restoring Three Numbers
math
800
x65279
151A
Soft Drinking
implementation
,
math
800
x64293
1742A
Sum
implementation
800
x62623
451A
Game With Sticks
implementation
900
x61910
1399A
Remove Smallest
greedy
,
sortings
800
x61754
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x61601
189A
Cut Ribbon
brute force
,
dp
1300
x61536
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x60750
630A
Again Twenty Five!
number theory
800
x60585
1512A
Spy Detected!
brute force
,
implementation
800
x58813
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x58748
466A
Cheap Travel
implementation
1200
x58678
1692A
Marathon
implementation
800
x58228
32B
Borze
expression parsing
,
implementation
800
x57475
706B
Interesting drink
binary search
,
dp
,
implementation
1100
x57180
1676A
Lucky?
implementation
800
x56420
758A
Holiday Of Equality
implementation
,
math
800
x56380
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x56188
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x55947
1669A
Division?
implementation
800
x55379
579A
Raising Bacteria
bitmasks
1000
x55067
1560A
Dislike of Threes
implementation
800
x54950
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x54616
1367A
Short Substrings
implementation
,
strings
800
x54127
1807A
Plus or Minus
implementation
800
x53877
1475A
Odd Divisor
math
,
number theory
900
x53523
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