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66 problems · filtered by 3 tags
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Name
✎
Rating
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2236G
Criterion in Burlandia
binary search
bitmasks
brute force
data structures
dfs and similar
divide and conquer
implementation
trees
two pointers
+
2600
385
2230F
Game on Growing Tree
binary search
dfs and similar
divide and conquer
dp
games
implementation
trees
+
2700
510
2193H
Remove the Grail Tree
dfs and similar
dp
graphs
greedy
implementation
trees
+
2400
1.1k
2189F
Zhora the Vacuum Cleaner
data structures
dfs and similar
dp
greedy
implementation
sortings
trees
+
2800
254
2183D2
Tree Coloring (Hard Version)
combinatorics
constructive algorithms
data structures
dfs and similar
greedy
implementation
trees
+
2100
2.6k
2176E
Remove at the lowest cost
data structures
dfs and similar
dp
dsu
greedy
implementation
trees
+
2400
1.3k
2134D
Sliding Tree
constructive algorithms
dfs and similar
greedy
implementation
trees
+
2300
3.8k
2127H
23 Rises Again
brute force
dfs and similar
dp
flows
graph matchings
graphs
greedy
implementation
probabilities
trees
+
3100
1.9k
2126F
1-1-1, Free Tree!
brute force
data structures
dfs and similar
graphs
implementation
trees
+
2000
4.4k
2113E
From Kazan with Love
dfs and similar
graphs
implementation
trees
+
2800
430
2108E
Spruce Dispute
constructive algorithms
dfs and similar
graphs
greedy
implementation
shortest paths
trees
+
2600
922
2107D
Apple Tree Traversing
brute force
dfs and similar
greedy
implementation
trees
+
2100
3.6k
2106G2
Baudelaire (hard version)
binary search
dfs and similar
divide and conquer
implementation
interactive
trees
+
2500
647
2097B
Baggage Claim
combinatorics
dfs and similar
dp
dsu
graphs
implementation
math
trees
+
2300
2k
2063F1
Counting Is Not Fun (Easy Version)
combinatorics
data structures
dfs and similar
dp
dsu
graphs
hashing
implementation
math
trees
+
2400
1.6k
2063F2
Counting Is Not Fun (Hard Version)
combinatorics
data structures
dfs and similar
dsu
graphs
implementation
trees
+
2700
951
2062E2
The Game (Hard Version)
data structures
dfs and similar
games
graphs
implementation
trees
+
3000
464
2044G1
Medium Demon Problem (easy version)
dfs and similar
graph matchings
graphs
implementation
trees
+
1700
7.6k
2044G2
Medium Demon Problem (hard version)
dfs and similar
dp
dsu
graphs
implementation
trees
+
1900
4k
2042E
Vertex Pairs
binary search
brute force
data structures
dfs and similar
divide and conquer
greedy
implementation
trees
+
2900
535
2031E
Penchick and Chloe's Trees
data structures
dfs and similar
dp
greedy
implementation
math
sortings
trees
+
2100
2.8k
2026F
Bermart Ice Cream
data structures
dfs and similar
divide and conquer
dp
implementation
trees
+
2700
413
2021E1
Digital Village (Easy Version)
brute force
data structures
dfs and similar
dp
dsu
fft
graphs
greedy
implementation
math
trees
+
2300
2k
1975E
Chain Queries
binary search
data structures
dfs and similar
implementation
trees
+
2100
2.9k
1935F
Andrey's Tree
binary search
constructive algorithms
data structures
dfs and similar
dsu
greedy
implementation
trees
+
2800
634
1927F
Microcycle
data structures
dfs and similar
dsu
graphs
greedy
implementation
sortings
trees
+
1900
5.6k
1926G
Vlad and Trouble at MIT
dfs and similar
dp
flows
graphs
greedy
implementation
trees
+
1900
4.7k
1918F
Caterpillar on a Tree
dfs and similar
graphs
greedy
implementation
sortings
trees
+
2500
1.2k
1904E
Tree Queries
data structures
dfs and similar
graphs
implementation
trees
+
2500
1.4k
1904F
Beautiful Tree
data structures
dfs and similar
graphs
implementation
trees
+
2800
581
1902F
Trees and XOR Queries Again
data structures
dfs and similar
divide and conquer
graphs
implementation
math
trees
+
2400
1.5k
1889D
Game of Stacks
brute force
dfs and similar
graphs
implementation
trees
+
3000
982
1879E
Interactive Game with Coloring
brute force
constructive algorithms
dfs and similar
graphs
implementation
interactive
trees
+
2400
1.6k
1878G
wxhtzdy ORO Tree
binary search
bitmasks
brute force
data structures
dfs and similar
implementation
trees
+
2300
1.5k
1861C
Queries for the Array
data structures
dfs and similar
implementation
strings
trees
+
1600
12.5k
1856E2
PermuTree (hard version)
bitmasks
dfs and similar
dp
fft
greedy
implementation
math
trees
+
2700
1.8k
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
1800G
Symmetree
dfs and similar
hashing
implementation
trees
+
2200
2.6k
1797D
Li Hua and Tree
brute force
data structures
dfs and similar
dp
implementation
trees
+
1900
4.7k
1788F
XOR, Tree, and Queries
bitmasks
constructive algorithms
dfs and similar
dsu
graphs
greedy
implementation
trees
+
2500
1.2k
1648E
Air Reform
data structures
dfs and similar
divide and conquer
dsu
graphs
implementation
trees
+
3200
601
1646D
Weight the Tree
constructive algorithms
dfs and similar
dp
implementation
trees
+
2000
4.5k
1617E
Christmas Chocolates
dfs and similar
dp
games
graphs
implementation
math
number theory
shortest paths
trees
+
2700
1.1k
1605D
Treelabeling
bitmasks
constructive algorithms
dfs and similar
games
greedy
implementation
trees
+
2100
3.3k
1593E
Gardener and Tree
brute force
data structures
dfs and similar
greedy
implementation
trees
+
1600
15.1k
1592D
Hemose in ICPC ?
binary search
dfs and similar
implementation
interactive
math
number theory
trees
+
2300
2.7k
1535D
Playoff Tournament
data structures
dfs and similar
dp
implementation
trees
+
1800
8.6k
1527D
MEX Tree
combinatorics
dfs and similar
implementation
math
trees
+
2400
2.3k
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
1401D
Maximum Distributed Tree
dfs and similar
dp
greedy
implementation
math
number theory
sortings
trees
+
1800
10.7k
1388D
Captain Flint and Treasure
data structures
dfs and similar
graphs
greedy
implementation
trees
+
2000
7k
1364D
Ehab's Last Corollary
constructive algorithms
dfs and similar
graphs
greedy
implementation
trees
+
2100
5.1k
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
1175E
Minimal Segment Cover
data structures
dfs and similar
divide and conquer
dp
greedy
implementation
trees
+
2200
4.7k
1010D
Mars rover
dfs and similar
graphs
implementation
trees
+
2000
2.6k
812D
Sagheer and Kindergarten
dfs and similar
graphs
implementation
trees
+
2700
382
765E
Tree Folding
dfs and similar
dp
greedy
implementation
trees
+
2200
1.4k
763A
Timofey and a tree
dfs and similar
dp
dsu
graphs
implementation
trees
+
1600
12.1k
455B
A Lot of Games
dfs and similar
dp
games
implementation
strings
trees
+
1900
7.1k
382D
Ksenia and Pawns
dfs and similar
graphs
implementation
trees
+
2200
753
251E
Tree and Table
dfs and similar
dp
implementation
trees
+
3000
211
87D
Beautiful Road
dfs and similar
dp
dsu
graphs
implementation
sortings
trees
+
2300
1.1k
81E
Pairs
dfs and similar
dp
dsu
graphs
implementation
trees
+
2700
460
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