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CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
28:55:45
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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
#
Name
162G
Non-decimal sum
*special problem
2000
x55
162I
Truncatable primes
*special problem
2000
x71
153E
Euclidean Distance
*special problem
2100
x71
100H
Battleship
*special problem
,
dfs and similar
,
implementation
2100
x72
207D6
The Beaver's Problem - 3
2100
x75
153D
Date Change
*special problem
2000
x76
207D10
The Beaver's Problem - 3
2100
x77
661E
Divisibility Check
*special problem
2000
x78
530F
Jumping frogs
*special problem
2100
x97
207C1
Game with Two Trees
2100
x98
207D2
The Beaver's Problem - 3
2000
x99
649E
Автобус
binary search
,
data structures
,
greedy
,
sortings
2100
x102
1919H
Tree Diameter
interactive
,
trees
2000
x119
530H
Points in triangle
*special problem
,
geometry
2100
x119
345C
Counting Fridays
*special problem
2000
x121
345B
Triskaidekaphobia
*special problem
2100
x121
661D
Maximal Difference
*special problem
2100
x124
661C
Array Sum
*special problem
2000
x126
207D3
The Beaver's Problem - 3
2000
x130
1431G
Number Deletion Game
*special problem
,
dp
,
games
,
greedy
2100
x137
207D4
The Beaver's Problem - 3
2100
x143
530G
Levenshtein distance
*special problem
2100
x145
1910F
Build Railway Stations
*special problem
,
greedy
,
trees
2000
x151
1431F
Neural Network Problem
*special problem
,
binary search
,
greedy
2100
x152
1910E
Maximum Sum Subarrays
*special problem
,
dp
2100
x166
45H
Road Problem
graphs
2100
x172
64F
Domain
*special problem
,
expression parsing
2000
x174
1571F
Kotlinforces
*special problem
,
constructive algorithms
,
dp
2000
x175
1211E
Double Permutation Inc.
*special problem
,
binary search
,
greedy
2000
x187
207A3
Beaver's Calculator 1.0
greedy
2000
x198
1431E
Chess Match
*special problem
2000
x214
774B
Significant Cups
*special problem
,
binary search
,
data structures
,
two pointers
2100
x216
1346F
Dune II: Battle For Arrakis
*special problem
,
data structures
,
greedy
,
math
2000
x217
1211D
Teams
*special problem
,
binary search
,
greedy
,
math
2000
x220
926F
Mobile Communications
2000
x220
178E2
The Beaver's Problem - 2
2000
x225
178D3
Magic Squares
2100
x234
774A
Amusement Park
*special problem
,
ternary search
2100
x292
178C3
Smart Beaver and Resolving Collisions
2000
x294
774L
Bars
*special problem
,
binary search
2000
x320
774J
Stepan's Series
*special problem
,
dp
2000
x343
209B
Pixels
constructive algorithms
,
math
2100
x351
926J
Segments
data structures
2100
x362
852C
Property
greedy
,
sortings
2100
x372
228D
Zigzag
data structures
2100
x372
212C
Cowboys
combinatorics
,
dp
,
math
2100
x372
38F
Smart Boy
dp
,
games
,
strings
2100
x372
386D
Game with Points
dp
,
graphs
,
implementation
,
shortest paths
2100
x408
802D
Marmots (easy)
math
2100
x433
306C
White, Black and White Again
combinatorics
,
number theory
2100
x434
306B
Optimizer
data structures
,
greedy
,
sortings
2100
x435
250E
Mad Joe
brute force
2000
x436
228C
Fractal Detector
dp
,
hashing
2000
x440
164B
Ancient Berland Hieroglyphs
two pointers
2000
x449
309A
Morning run
binary search
,
math
,
two pointers
2000
x457
176C
Playing with Superglue
combinatorics
,
constructive algorithms
2000
x459
132B
Piet
implementation
2100
x469
254E
Dormitory
dp
,
implementation
2100
x476
215C
Crosses
brute force
,
implementation
2100
x477
342D
Xenia and Dominoes
bitmasks
,
dfs and similar
,
dp
2100
x484
73B
Need For Brake
binary search
,
greedy
,
sortings
2000
x485
690D3
The Wall (hard)
dp
2100
x486
76B
Mice
greedy
,
two pointers
2100
x492
309B
Context Advertising
dp
,
two pointers
2100
x495
54D
Writing a Song
brute force
,
dp
,
strings
2100
x495
241C
Mirror Box
geometry
,
implementation
2000
x506
335C
More Reclamation
games
2100
x514
45E
Director
constructive algorithms
,
greedy
2000
x517
491B
New York Hotel
greedy
,
math
2100
x525
215E
Periodical Numbers
combinatorics
,
dp
,
number theory
2100
x532
163C
Conveyor
sortings
,
two pointers
2100
x535
216E
Martian Luck
math
,
number theory
2000
x539
237D
T-decomposition
dfs and similar
,
graphs
,
greedy
,
trees
2000
x541
60C
Mushroom Strife
brute force
,
dfs and similar
2100
x544
44J
Triminoes
constructive algorithms
,
greedy
2000
x550
48E
Ivan the Fool VS Gorynych the Dragon
dp
,
games
,
graphs
2100
x552
234H
Merging Two Decks
constructive algorithms
,
greedy
2000
x555
69C
Game
implementation
2000
x556
34E
Collisions
brute force
,
implementation
,
math
2000
x561
39C
Moon Craters
dp
,
sortings
2100
x567
1218I
The Light Square
2-sat
,
dfs and similar
,
greedy
2100
x569
802K
Send the Fool Further! (medium)
dp
,
trees
2100
x574
131F
Present to Mom
binary search
,
two pointers
2000
x592
50D
Bombing
binary search
,
dp
,
probabilities
2100
x592
1219G
Harvester
implementation
2000
x595
59D
Team Arrangement
constructive algorithms
,
greedy
,
implementation
2000
x597
132D
Constants in the language of Shakespeare
constructive algorithms
,
dp
,
greedy
2100
x598
1906J
Count BFS Graph
combinatorics
,
dp
2100
x600
370D
Broken Monitor
brute force
,
constructive algorithms
,
greedy
,
implementation
2100
x603
267B
Dominoes
dfs and similar
,
graphs
2000
x604
109D
Lucky Sorting
constructive algorithms
,
sortings
2000
x612
952E
Cheese Board
2000
x618
81D
Polycarp's Picture Gallery
constructive algorithms
,
greedy
2100
x626
39A
C*++ Calculations
expression parsing
,
greedy
2000
x653
1387A
Graph
*special problem
,
binary search
,
dfs and similar
,
dp
,
math
,
ternary search
2100
x663
656C
Without Text
*special problem
2000
x672
66E
Petya and Post
data structures
,
dp
2000
x674
101C
Vectors
implementation
,
math
2000
x682
838B
Diverging Directions
data structures
,
dfs and similar
,
trees
2100
x684
195E
Building Forest
data structures
,
dsu
,
graphs
2000
x684
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