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CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
29:51:10
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→ Filter Problems
Difficulty:
—
dp
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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Status
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Custom test
Problems
#
Name
506E
Mr. Kitayuta's Gift
combinatorics
,
dp
,
matrices
,
strings
3000
x665
1616H
Keep XOR Low
bitmasks
,
combinatorics
,
data structures
,
divide and conquer
,
dp
,
math
3000
x749
559E
Gerald and Path
dp
,
sortings
3000
x846
739E
Gosha is hunting
brute force
,
data structures
,
dp
,
flows
,
math
,
probabilities
,
sortings
3000
x2020
1346I
Pac-Man 2.0
*special problem
,
dp
2900
x43
1387C
Viruses
*special problem
,
dp
,
shortest paths
,
string suffix structures
2900
x121
138E
Hellish Constraints
brute force
,
dp
,
two pointers
2900
x161
980F
Cactus to Tree
dp
,
graphs
,
trees
2900
x186
793E
Problem of offices
constructive algorithms
,
dfs and similar
,
dp
,
trees
2900
x238
1310E
Strange Function
dp
2900
x261
449E
Jzzhu and Squares
dp
,
math
,
number theory
2900
x279
497E
Subsequences Return
dp
,
matrices
2900
x280
1605F
PalindORme
combinatorics
,
dp
2900
x281
1038F
Wrap Around
dp
,
strings
2900
x289
776G
Sherlock and the Encrypted Data
bitmasks
,
combinatorics
,
dp
2900
x325
314E
Sereja and Squares
dp
2900
x352
1487F
Ones
dp
,
greedy
,
shortest paths
2900
x356
848D
Shake It!
combinatorics
,
dp
,
flows
,
graphs
2900
x358
1738G
Anti-Increasing Addicts
constructive algorithms
,
dp
,
greedy
,
math
2900
x365
917C
Pollywog
combinatorics
,
dp
,
matrices
2900
x367
1792F2
Graph Coloring (hard version)
brute force
,
combinatorics
,
divide and conquer
,
dp
,
fft
,
graphs
2900
x369
718D
Andrew and Chemistry
dp
,
hashing
,
trees
2900
x381
1455G
Forbidden Value
data structures
,
dp
2900
x393
1415F
Cakes for Clones
dp
2900
x394
930E
Coins Exhibition
data structures
,
dp
,
math
2900
x395
1146H
Satanic Panic
dp
,
geometry
2900
x415
1540C2
Converging Array (Hard Version)
dp
,
math
2900
x427
354D
Transferring Pyramid
dp
2900
x431
1392G
Omkar and Pies
bitmasks
,
dfs and similar
,
dp
,
math
,
shortest paths
2900
x435
623C
Electric Charges
binary search
,
dp
2900
x446
704C
Black Widow
dp
,
graphs
,
implementation
,
math
2900
x449
1601E
Phys Ed Online
data structures
,
dp
,
greedy
2900
x459
1276D
Tree Elimination
dp
,
trees
2900
x475
1747E
List Generation
combinatorics
,
dp
,
math
2900
x477
1085G
Beautiful Matrix
combinatorics
,
data structures
,
dp
2900
x485
1528E
Mashtali and Hagh Trees
combinatorics
,
dp
,
trees
2900
x493
1713F
Lost Array
bitmasks
,
combinatorics
,
constructive algorithms
,
dp
,
math
2900
x499
1221G
Graph And Numbers
bitmasks
,
brute force
,
combinatorics
,
dp
,
meet-in-the-middle
2900
x512
1060F
Shrinking Tree
combinatorics
,
dp
2900
x513
321D
Ciel and Flipboard
dp
,
greedy
,
math
2900
x524
1444D
Rectangular Polyline
constructive algorithms
,
dp
,
geometry
2900
x529
1428G1
Lucky Numbers (Easy Version)
dp
,
greedy
2900
x538
1667D
Edge Elimination
constructive algorithms
,
dfs and similar
,
dp
,
trees
2900
x626
643F
Bears and Juice
dp
,
math
,
meet-in-the-middle
2900
x672
536D
Tavas in Kansas
dp
,
games
2900
x702
1580D
Subsequence
brute force
,
divide and conquer
,
dp
,
greedy
,
trees
2900
x745
809D
Hitchhiking in the Baltic States
data structures
,
dp
2900
x745
1768F
Wonderful Jump
dp
,
greedy
2900
x754
722E
Research Rover
combinatorics
,
dp
2900
x793
932G
Palindrome Partition
dp
,
string suffix structures
,
strings
2900
x861
512D
Fox And Travelling
dp
,
trees
2900
x922
1129D
Isolation
data structures
,
dp
2900
x925
1372E
Omkar and Last Floor
dp
,
greedy
,
two pointers
2900
x949
960G
Bandit Blues
combinatorics
,
dp
,
fft
,
math
2900
x995
671D
Roads in Yusland
data structures
,
dp
,
greedy
2900
x1092
724E
Goods transportation
dp
,
flows
,
greedy
2900
x1194
1218A
BubbleReactor
dp
,
graphs
2800
x102
581E
Kojiro and Furrari
dp
,
greedy
2800
x184
335E
Counting Skyscrapers
dp
,
math
,
probabilities
2800
x202
1866J
Jackets and Packets
dp
2800
x256
838C
Future Failure
dp
,
games
2800
x274
288E
Polo the Penguin and Lucky Numbers
dp
,
implementation
,
math
2800
x279
436D
Pudding Monsters
dp
2800
x307
1773G
Game of Questions
bitmasks
,
combinatorics
,
dp
,
fft
,
math
,
probabilities
2800
x308
1525F
Goblins And Gnomes
brute force
,
dp
,
flows
,
graph matchings
2800
x314
277D
Google Code Jam
dp
,
probabilities
2800
x322
11E
Forward, march!
binary search
,
dp
,
greedy
2800
x329
1845F
Swimmers in the Pool
dp
,
fft
,
math
,
number theory
2800
x336
301E
Yaroslav and Arrangements
dp
2800
x354
1393E1
Twilight and Ancient Scroll (easier version)
dp
,
hashing
,
implementation
,
string suffix structures
,
strings
2800
x358
850D
Tournament Construction
constructive algorithms
,
dp
,
graphs
,
greedy
,
math
2800
x365
1389G
Directing Edges
dfs and similar
,
dp
,
graphs
,
trees
2800
x373
1473G
Tiles
combinatorics
,
dp
,
fft
,
math
2800
x376
1379E
Inverse Genealogy
constructive algorithms
,
divide and conquer
,
dp
,
math
,
trees
2800
x384
1155F
Delivery Oligopoly
brute force
,
dp
,
graphs
2800
x394
1808E3
Minibuses on Venus (hard version)
brute force
,
combinatorics
,
dp
,
math
2800
x395
1082F
Speed Dial
dp
,
strings
,
trees
2800
x397
1327G
Letters and Question Marks
bitmasks
,
dp
,
string suffix structures
2800
x398
1732E
Location
data structures
,
dp
,
math
,
number theory
2800
x401
1809G
Prediction
combinatorics
,
dp
,
math
2800
x402
261E
Maxim and Calculator
brute force
,
dp
,
two pointers
2800
x402
1067E
Random Forest Rank
dp
,
graph matchings
,
math
,
trees
2800
x408
1455F
String and Operations
dp
,
greedy
2800
x414
1852D
Miriany and Matchstick
constructive algorithms
,
dp
,
greedy
2800
x416
348E
Pilgrims
dfs and similar
,
dp
,
trees
2800
x425
1943D2
Counting Is Fun (Hard Version)
combinatorics
,
dp
2800
x428
377E
Cookie Clicker
dp
,
geometry
2800
x439
83E
Two Subsequences
bitmasks
,
dp
2800
x448
1310C
Au Pont Rouge
binary search
,
dp
,
strings
2800
x460
1142D
Foreigner
dp
2800
x467
1152F1
Neko Rules the Catniverse (Small Version)
bitmasks
,
dp
,
matrices
2800
x501
1606F
Tree Queries
brute force
,
dp
,
trees
2800
x505
1863G
Swaps
combinatorics
,
dp
,
graphs
,
math
2800
x512
51F
Caterpillar
dfs and similar
,
dp
,
graphs
,
trees
2800
x539
1612F
Armor and Weapons
brute force
,
dp
,
greedy
,
shortest paths
2800
x552
1620F
Bipartite Array
dp
,
greedy
2800
x564
1830D
Mex Tree
brute force
,
dp
,
trees
2800
x565
1819D
Misha and Apples
brute force
,
data structures
,
dp
,
two pointers
2800
x580
913F
Strongly Connected Tournament
dp
,
graphs
,
math
,
probabilities
2800
x599
1874D
Jellyfish and Miku
divide and conquer
,
dp
,
math
,
probabilities
2800
x624
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