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32 problems · filtered by 3 tags
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Name
✎
Rating
↕
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2218F
The 67th Tree Problem
constructive algorithms
implementation
trees
+
1500
9k
2183D2
Tree Coloring (Hard Version)
combinatorics
constructive algorithms
data structures
dfs and similar
greedy
implementation
trees
+
2100
2.6k
2171F
Rae Taylor and Trees (hard version)
binary search
constructive algorithms
data structures
dp
dsu
greedy
implementation
trees
+
1600
7.6k
2150F
Cycle Closing
constructive algorithms
graphs
implementation
shortest paths
trees
+
3000
224
2134D
Sliding Tree
constructive algorithms
dfs and similar
greedy
implementation
trees
+
2300
3.8k
2108E
Spruce Dispute
constructive algorithms
dfs and similar
graphs
greedy
implementation
shortest paths
trees
+
2600
922
2032D
Genokraken
constructive algorithms
data structures
graphs
greedy
implementation
interactive
trees
two pointers
+
1800
6.3k
1935F
Andrey's Tree
binary search
constructive algorithms
data structures
dfs and similar
dsu
greedy
implementation
trees
+
2800
634
1879E
Interactive Game with Coloring
brute force
constructive algorithms
dfs and similar
graphs
implementation
interactive
trees
+
2400
1.6k
1868D
Flower-like Pseudotree
constructive algorithms
graphs
greedy
implementation
trees
+
3000
418
1844G
Tree Weights
bitmasks
constructive algorithms
data structures
dfs and similar
implementation
math
matrices
number theory
trees
+
3000
1.2k
1833G
Ksyusha and Chinchilla
constructive algorithms
dfs and similar
dp
dsu
greedy
implementation
trees
+
1800
6.5k
1819C
The Fox and the Complete Tree Traversal
constructive algorithms
dp
implementation
math
trees
+
2400
1.8k
1815B
Sum Graph
brute force
constructive algorithms
graphs
implementation
interactive
shortest paths
trees
+
2000
3.7k
1788F
XOR, Tree, and Queries
bitmasks
constructive algorithms
dfs and similar
dsu
graphs
greedy
implementation
trees
+
2500
1.2k
1714F
Build a Tree and That Is It
constructive algorithms
implementation
trees
+
1900
3.7k
1682D
Circular Spanning Tree
constructive algorithms
implementation
trees
+
2000
3.8k
1646D
Weight the Tree
constructive algorithms
dfs and similar
dp
implementation
trees
+
2000
4.5k
1605D
Treelabeling
bitmasks
constructive algorithms
dfs and similar
games
greedy
implementation
trees
+
2100
3.3k
1521D
Nastia Plays with a Tree
constructive algorithms
data structures
dfs and similar
dp
dsu
greedy
implementation
trees
+
2500
2.4k
1463E
Plan of Lectures
constructive algorithms
dfs and similar
dsu
graphs
implementation
sortings
trees
+
2400
1.8k
1364D
Ehab's Last Corollary
constructive algorithms
dfs and similar
graphs
greedy
implementation
trees
+
2100
5.1k
1244D
Paint the Tree
brute force
constructive algorithms
dp
graphs
implementation
trees
+
1800
8.4k
1228F
One Node is Gone
constructive algorithms
implementation
trees
+
2500
620
1188A2
Add on a Tree: Revolution
constructive algorithms
dfs and similar
implementation
trees
+
2500
1.3k
1182D
Complete Mirror
constructive algorithms
dfs and similar
dp
hashing
implementation
trees
+
2400
1k
1174F
Ehab and the Big Finale
constructive algorithms
divide and conquer
graphs
implementation
interactive
trees
+
2400
2.1k
1085D
Minimum Diameter Tree
constructive algorithms
implementation
trees
+
1700
6k
830E
Perpetual Motion Machine
constructive algorithms
dp
graphs
implementation
math
trees
+
3100
373
827B
High Load
constructive algorithms
greedy
implementation
trees
+
1800
3.7k
776F
Sherlock's bet to Moriarty
constructive algorithms
data structures
divide and conquer
geometry
graphs
implementation
trees
+
2800
543
750F
New Year and Finding Roots
constructive algorithms
implementation
interactive
trees
+
2800
621
showing 1–32 of 32