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Name
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x127407
520B
Two Buttons
dfs and similar
,
graphs
,
greedy
,
implementation
,
math
,
shortest paths
1400
x48143
20C
Dijkstra?
graphs
,
shortest paths
1900
x30077
1360E
Polygon
dp
,
graphs
,
implementation
,
shortest paths
1300
x24469
3A
Shortest path of the king
greedy
,
shortest paths
1000
x18603
1418C
Mortal Kombat Tower
dp
,
graphs
,
greedy
,
shortest paths
1500
x18309
1759C
Thermostat
greedy
,
math
,
shortest paths
1100
x17043
1661B
Getting Zero
bitmasks
,
brute force
,
dfs and similar
,
dp
,
graphs
,
greedy
,
shortest paths
1300
x17038
1365D
Solve The Maze
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
greedy
,
implementation
,
shortest paths
1700
x16205
1486B
Eastern Exhibition
binary search
,
geometry
,
shortest paths
,
sortings
1500
x15283
1948C
Arrow Path
brute force
,
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
shortest paths
1300
x14607
1869B
2D Traveling
geometry
,
math
,
shortest paths
,
sortings
1100
x14522
1106D
Lunar New Year and a Wander
data structures
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
1500
x13964
1037D
Valid BFS?
dfs and similar
,
graphs
,
shortest paths
,
trees
1700
x13896
1547E
Air Conditioners
data structures
,
dp
,
implementation
,
shortest paths
,
sortings
,
two pointers
1500
x13882
1540A
Great Graphs
constructive algorithms
,
graphs
,
greedy
,
shortest paths
,
sortings
1400
x13701
295B
Greg and Graph
dp
,
graphs
,
shortest paths
1700
x13165
1924A
Did We Get Everything Covered?
constructive algorithms
,
dp
,
greedy
,
shortest paths
,
strings
1500
x12445
1437D
Minimal Height Tree
graphs
,
greedy
,
shortest paths
,
trees
1600
x12330
601A
The Two Routes
graphs
,
shortest paths
1600
x11466
598D
Igor In the Museum
dfs and similar
,
graphs
,
shortest paths
1700
x10555
1176E
Cover it!
dfs and similar
,
dsu
,
graphs
,
shortest paths
,
trees
1700
x10474
1695C
Zero Path
brute force
,
data structures
,
dp
,
graphs
,
greedy
,
shortest paths
1700
x10408
1833E
Round Dance
dfs and similar
,
dsu
,
graphs
,
shortest paths
1600
x10392
370A
Rook, Bishop and King
graphs
,
math
,
shortest paths
1100
x9935
1681D
Required Length
brute force
,
dfs and similar
,
dp
,
hashing
,
shortest paths
1700
x9290
1249E
By Elevator or Stairs?
dp
,
shortest paths
1700
x9248
339C
Xenia and Weights
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
greedy
,
shortest paths
1700
x8149
242C
King's Path
dfs and similar
,
graphs
,
hashing
,
shortest paths
1800
x8073
449B
Jzzhu and Cities
graphs
,
greedy
,
shortest paths
2000
x8057
1283D
Christmas Trees
graphs
,
greedy
,
shortest paths
1800
x7463
1517D
Explorer Space
dp
,
graphs
,
shortest paths
1800
x7351
1063B
Labyrinth
graphs
,
shortest paths
1800
x7087
1611E1
Escape The Maze (easy version)
dfs and similar
,
greedy
,
shortest paths
,
trees
,
two pointers
1700
x6965
1245D
Shichikuji and Power Grid
dsu
,
graphs
,
greedy
,
shortest paths
,
trees
1900
x6928
1899F
Alex's whims
constructive algorithms
,
graphs
,
greedy
,
shortest paths
,
trees
1600
x6729
1873H
Mad City
dfs and similar
,
dsu
,
games
,
graphs
,
shortest paths
,
trees
1700
x6633
986A
Fair
graphs
,
greedy
,
number theory
,
shortest paths
1600
x6539
1204C
Anna, Svyatoslav and Maps
dp
,
graphs
,
greedy
,
shortest paths
1700
x6467
1205B
Shortest Cycle
bitmasks
,
brute force
,
graphs
,
shortest paths
1900
x6364
954D
Fight Against Traffic
dfs and similar
,
graphs
,
shortest paths
1600
x6315
35C
Fire Again
brute force
,
dfs and similar
,
shortest paths
1500
x6284
61D
Eternal Victory
dfs and similar
,
graphs
,
greedy
,
shortest paths
,
trees
1800
x6269
329B
Biridian Forest
dfs and similar
,
shortest paths
1500
x6132
1881F
Minimum Maximum Distance
dfs and similar
,
dp
,
graphs
,
shortest paths
,
trees
1700
x6059
1307D
Cow and Fields
binary search
,
data structures
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
,
sortings
1900
x6035
25C
Roads in Berland
graphs
,
shortest paths
1900
x5895
1272E
Nearest Opposite Parity
dfs and similar
,
graphs
,
shortest paths
1900
x5876
1320B
Navigation System
dfs and similar
,
graphs
,
shortest paths
1700
x5806
1775D
Friendly Spiders
dfs and similar
,
graphs
,
math
,
number theory
,
shortest paths
1800
x5801
689B
Mike and Shortcuts
dfs and similar
,
graphs
,
greedy
,
shortest paths
1600
x5612
786B
Legacy
data structures
,
graphs
,
shortest paths
2300
x5470
1915G
Bicycles
graphs
,
greedy
,
implementation
,
shortest paths
,
sortings
1800
x5467
938D
Buy a Ticket
data structures
,
graphs
,
shortest paths
2000
x5215
1696D
Permutation Graph
binary search
,
constructive algorithms
,
data structures
,
divide and conquer
,
greedy
,
shortest paths
1900
x5197
796D
Police Stations
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
shortest paths
,
trees
2100
x5143
472D
Design Tutorial: Inverse the Problem
dfs and similar
,
dsu
,
shortest paths
,
trees
1900
x5039
916C
Jamie and Interesting Graph
constructive algorithms
,
graphs
,
shortest paths
1600
x4998
1304E
1-Trees and Queries
data structures
,
dfs and similar
,
shortest paths
,
trees
2000
x4930
1076D
Edge Deletion
graphs
,
greedy
,
shortest paths
1800
x4911
1651D
Nearest Excluded Points
binary search
,
data structures
,
dfs and similar
,
graphs
,
shortest paths
1900
x4842
1343E
Weights Distributing
brute force
,
graphs
,
greedy
,
shortest paths
,
sortings
2100
x4819
1601B
Frog Traveler
data structures
,
dfs and similar
,
dp
,
graphs
,
shortest paths
,
two pointers
1900
x4788
1579F
Array Stabilization (AND version)
brute force
,
graphs
,
math
,
number theory
,
shortest paths
1700
x4574
1183E
Subsequences (easy version)
dp
,
graphs
,
implementation
,
shortest paths
2000
x4530
1202B
You Are Given a Decimal String...
brute force
,
dp
,
shortest paths
1700
x4507
17B
Hierarchy
dfs and similar
,
dsu
,
greedy
,
shortest paths
1500
x4488
229B
Planets
binary search
,
data structures
,
graphs
,
shortest paths
1700
x4471
1472G
Moving to the Capital
dfs and similar
,
dp
,
graphs
,
shortest paths
2100
x4420
545E
Paths and Trees
graphs
,
greedy
,
shortest paths
2000
x4400
793B
Igor and his way to work
dfs and similar
,
graphs
,
implementation
,
shortest paths
1600
x4345
14D
Two Paths
dfs and similar
,
dp
,
graphs
,
shortest paths
,
trees
,
two pointers
1900
x4320
1712D
Empty Graph
binary search
,
constructive algorithms
,
data structures
,
greedy
,
shortest paths
2000
x4282
1349C
Orac and Game of Life
dfs and similar
,
graphs
,
implementation
,
shortest paths
2000
x4239
1433G
Reducing Delivery Cost
brute force
,
graphs
,
shortest paths
2100
x4134
198B
Jumping on Walls
shortest paths
1400
x4114
33B
String Problem
shortest paths
1800
x4096
1846G
Rudolf and CodeVid-23
bitmasks
,
dp
,
graphs
,
greedy
,
shortest paths
1900
x4069
1421D
Hexagons
brute force
,
constructive algorithms
,
greedy
,
implementation
,
math
,
shortest paths
1900
x4053
1689D
Lena and Matrix
data structures
,
dp
,
geometry
,
shortest paths
1900
x4040
1105D
Kilani and the Game
dfs and similar
,
graphs
,
implementation
,
shortest paths
1900
x3996
877D
Olya and Energy Drinks
data structures
,
dfs and similar
,
graphs
,
shortest paths
2100
x3954
558C
Amr and Chemistry
brute force
,
graphs
,
greedy
,
math
,
shortest paths
1900
x3936
1081D
Maximum Distance
dsu
,
graphs
,
shortest paths
,
sortings
1800
x3898
543B
Destroying Roads
constructive algorithms
,
graphs
,
shortest paths
2100
x3837
144D
Missile Silos
data structures
,
dfs and similar
,
graphs
,
shortest paths
1900
x3797
1393D
Rarity and New Dress
dfs and similar
,
dp
,
implementation
,
shortest paths
2100
x3771
1482D
Playlist
data structures
,
dsu
,
implementation
,
shortest paths
1900
x3737
1611E2
Escape The Maze (hard version)
dfs and similar
,
dp
,
greedy
,
shortest paths
,
trees
1900
x3662
1520G
To Go Or Not To Go?
brute force
,
dfs and similar
,
graphs
,
greedy
,
implementation
,
shortest paths
2200
x3513
585B
Phillip and Trains
dfs and similar
,
graphs
,
shortest paths
1700
x3487
1473E
Minimum Path
graphs
,
shortest paths
2400
x3319
1503C
Travelling Salesman Problem
binary search
,
data structures
,
dp
,
greedy
,
shortest paths
,
sortings
,
two pointers
2200
x3207
1790F
Timofey and Black-White Tree
brute force
,
dfs and similar
,
divide and conquer
,
graphs
,
greedy
,
math
,
shortest paths
,
trees
2100
x3158
59E
Shortest Path
graphs
,
shortest paths
2000
x3136
1506F
Triangular Paths
constructive algorithms
,
graphs
,
math
,
shortest paths
,
sortings
2000
x3106
1941G
Rudolf and Subway
constructive algorithms
,
dfs and similar
,
graphs
,
shortest paths
2000
x3007
1899G
Unusual Entertainment
data structures
,
dfs and similar
,
dsu
,
shortest paths
,
sortings
,
trees
,
two pointers
1900
x2920
173B
Chamber of Secrets
dfs and similar
,
shortest paths
1800
x2880
1815B
Sum Graph
brute force
,
constructive algorithms
,
graphs
,
implementation
,
interactive
,
shortest paths
,
trees
2000
x2870
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