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Custom test
Problems
#
Name
698B
Fix a Tree
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
trees
1700
x5617
1881F
Minimum Maximum Distance
dfs and similar
,
dp
,
graphs
,
shortest paths
,
trees
1700
x6058
1873H
Mad City
dfs and similar
,
dsu
,
games
,
graphs
,
shortest paths
,
trees
1700
x6632
1611E1
Escape The Maze (easy version)
dfs and similar
,
greedy
,
shortest paths
,
trees
,
two pointers
1700
x6965
1714G
Path Prefixes
binary search
,
data structures
,
dfs and similar
,
trees
1700
x7166
1592C
Bakry and Partitioning
bitmasks
,
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
trees
1700
x7635
1950F
0, 1, 2, Tree!
bitmasks
,
brute force
,
greedy
,
implementation
,
trees
1700
x7724
1693B
Fake Plastic Trees
dfs and similar
,
dp
,
greedy
,
trees
1700
x8085
219D
Choosing Capital for Treeland
dfs and similar
,
dp
,
graphs
,
trees
1700
x8642
1406C
Link Cut Centroids
constructive algorithms
,
dfs and similar
,
graphs
,
trees
1700
x9844
1383A
String Transformation 1
dsu
,
graphs
,
greedy
,
sortings
,
strings
,
trees
,
two pointers
1700
x10242
1176E
Cover it!
dfs and similar
,
dsu
,
graphs
,
shortest paths
,
trees
1700
x10474
1037D
Valid BFS?
dfs and similar
,
graphs
,
shortest paths
,
trees
1700
x13895
339D
Xenia and Bit Operations
data structures
,
trees
1700
x23746
1056D
Decorate Apple Tree
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
greedy
,
sortings
,
trees
1600
x5687
979C
Kuro and Walking Route
dfs and similar
,
trees
1600
x6086
639B
Bear and Forgotten Tree 3
constructive algorithms
,
graphs
,
trees
1600
x6398
1899F
Alex's whims
constructive algorithms
,
graphs
,
greedy
,
shortest paths
,
trees
1600
x6729
1609D
Social Network
dsu
,
graphs
,
greedy
,
implementation
,
trees
1600
x6999
682C
Alyona and the Tree
dfs and similar
,
dp
,
graphs
,
trees
1600
x7010
1665C
Tree Infection
binary search
,
greedy
,
sortings
,
trees
1600
x8061
1188A1
Add on a Tree
trees
1600
x8239
1098A
Sum in the tree
constructive algorithms
,
dfs and similar
,
greedy
,
trees
1600
x8371
1523C
Compression and Expansion
brute force
,
data structures
,
greedy
,
implementation
,
trees
1600
x8602
780C
Andryusha and Colored Balloons
dfs and similar
,
graphs
,
greedy
,
trees
1600
x8863
1946C
Tree Cutting
binary search
,
dp
,
greedy
,
implementation
,
trees
1600
x9245
1006E
Military Problem
dfs and similar
,
graphs
,
trees
1600
x9456
369C
Valera and Elections
dfs and similar
,
graphs
,
trees
1600
x9473
1861C
Queries for the Array
data structures
,
dfs and similar
,
implementation
,
strings
,
trees
1600
x9512
763A
Timofey and a tree
dfs and similar
,
dp
,
dsu
,
graphs
,
implementation
,
trees
1600
x10142
1689C
Infected Tree
dfs and similar
,
dp
,
trees
1600
x10540
1593E
Gardener and Tree
brute force
,
data structures
,
dfs and similar
,
greedy
,
implementation
,
trees
1600
x11733
1437D
Minimal Height Tree
graphs
,
greedy
,
shortest paths
,
trees
1600
x12330
1528A
Parsa's Humongous Tree
dfs and similar
,
divide and conquer
,
dp
,
greedy
,
trees
1600
x13943
1363C
Game On Leaves
games
,
trees
1600
x17881
1336A
Linova and Kingdom
dfs and similar
,
dp
,
greedy
,
sortings
,
trees
1600
x19409
431C
k-Tree
dp
,
implementation
,
trees
1600
x24621
212E
IT Restaurants
dfs and similar
,
dp
,
trees
1500
x1670
690C2
Brain Network (medium)
dfs and similar
,
graphs
,
trees
1500
x3585
901A
Hashing Trees
constructive algorithms
,
trees
1500
x5013
501C
Misha and Forest
constructive algorithms
,
data structures
,
greedy
,
sortings
,
trees
1500
x5511
959C
Mahmoud and Ehab and the wrong algorithm
constructive algorithms
,
trees
1500
x5693
696A
Lorenzo Von Matterhorn
brute force
,
data structures
,
implementation
,
trees
1500
x5989
821C
Okabe and Boxes
data structures
,
greedy
,
trees
1500
x6631
930A
Peculiar apple-tree
dfs and similar
,
graphs
,
trees
1500
x6810
1611D
Weights Assignment For Tree Edges
constructive algorithms
,
trees
1500
x9547
1466D
13th Labour of Heracles
data structures
,
greedy
,
sortings
,
trees
1500
x10839
982C
Cut 'em all!
dfs and similar
,
dp
,
graphs
,
greedy
,
trees
1500
x10864
1139C
Edgy Trees
dfs and similar
,
dsu
,
graphs
,
math
,
trees
1500
x12070
1325C
Ehab and Path-etic MEXs
constructive algorithms
,
dfs and similar
,
greedy
,
trees
1500
x12983
839C
Journey
dfs and similar
,
dp
,
graphs
,
probabilities
,
trees
1500
x15953
580C
Kefa and Park
dfs and similar
,
graphs
,
trees
1500
x39954
120F
Spiders
dp
,
greedy
,
trees
1400
x3510
802J
Send the Fool Further! (easy)
dfs and similar
,
graphs
,
trees
1400
x4302
981C
Useful Decomposition
implementation
,
trees
1400
x5170
1143C
Queen
dfs and similar
,
trees
1400
x11446
1830A
Copil Copac Draws Trees
dfs and similar
,
dp
,
graphs
,
trees
1400
x12518
1559D1
Mocha and Diana (Easy Version)
brute force
,
constructive algorithms
,
dsu
,
graphs
,
greedy
,
trees
1400
x13265
1627C
Not Assigning
constructive algorithms
,
dfs and similar
,
number theory
,
trees
1400
x14076
886C
Petya and Catacombs
dsu
,
greedy
,
implementation
,
trees
1300
x5433
429A
Xor-tree
dfs and similar
,
trees
1300
x10014
1900C
Anji's Binary Tree
dfs and similar
,
dp
,
trees
1300
x10502
755C
PolandBall and Forest
dfs and similar
,
dsu
,
graphs
,
interactive
,
trees
1300
x11715
1675D
Vertical Paths
graphs
,
implementation
,
trees
1300
x12606
1676G
White-Black Balanced Subtrees
dfs and similar
,
dp
,
graphs
,
trees
1300
x14286
1741D
Masha and a Beautiful Tree
dfs and similar
,
divide and conquer
,
graphs
,
sortings
,
trees
1300
x14533
862B
Mahmoud and Ehab and the bipartiteness
dfs and similar
,
graphs
,
trees
1300
x16060
1857D
Strong Vertices
math
,
sortings
,
trees
1300
x17820
1583B
Omkar and Heavenly Tree
constructive algorithms
,
trees
1200
x11952
913B
Christmas Spruce
implementation
,
trees
1200
x15456
522A
Reposts
*special problem
,
dfs and similar
,
dp
,
graphs
,
trees
1200
x15740
1843D
Apple Tree
combinatorics
,
dfs and similar
,
dp
,
math
,
trees
1200
x17095
1905B
Begginer's Zelda
greedy
,
trees
1100
x15337
1511C
Yet Another Card Deck
brute force
,
data structures
,
implementation
,
trees
1100
x22264
1057A
Bmail Computer Network
*special problem
,
dfs and similar
,
trees
900
x5777
115A
Party
dfs and similar
,
graphs
,
trees
900
x32913
1843C
Sum in Binary Tree
bitmasks
,
combinatorics
,
math
,
trees
800
x31214
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