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43 problems · filtered by 3 tags
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Name
✎
Rating
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2249C
Double-Rift Dial
data structures
dfs and similar
dsu
implementation
two pointers
+
unrated
1k
2234F
Vessels, Heights and Two Versions (Hard Version)
data structures
dfs and similar
dsu
greedy
implementation
two pointers
+
1900
2.3k
2222F
Building Tree
data structures
divide and conquer
dsu
graphs
implementation
+
2600
716
2176E
Remove at the lowest cost
data structures
dfs and similar
dp
dsu
greedy
implementation
trees
+
2400
1.3k
2171D
Rae Taylor and Trees (easy version)
binary search
data structures
dp
dsu
greedy
implementation
trees
+
1400
12.3k
2171F
Rae Taylor and Trees (hard version)
binary search
constructive algorithms
data structures
dp
dsu
greedy
implementation
trees
+
1600
7.6k
2159B
Rectangles
brute force
data structures
dp
dsu
greedy
implementation
two pointers
+
2100
3.4k
2158E
Sink
data structures
divide and conquer
dsu
graphs
implementation
+
2600
665
2157E
Adjusting Drones
binary search
brute force
data structures
dp
dsu
greedy
implementation
sortings
+
1900
4.6k
2108C
Neo's Escape
binary search
brute force
data structures
dp
dsu
graphs
greedy
implementation
+
1500
15.1k
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
2049F
MEX OR Mania
bitmasks
brute force
data structures
dsu
implementation
+
2700
600
2031D
Penchick and Desert Rabbit
binary search
data structures
dfs and similar
dp
dsu
greedy
implementation
two pointers
+
1700
10.1k
2021E1
Digital Village (Easy Version)
brute force
data structures
dfs and similar
dp
dsu
fft
graphs
greedy
implementation
math
trees
+
2300
2k
2018D
Max Plus Min Plus Size
data structures
dp
dsu
greedy
implementation
matrices
sortings
+
2200
2.2k
1985H1
Maximize the Largest Component (Easy Version)
brute force
data structures
dfs and similar
dsu
graphs
implementation
+
1700
7.4k
1985H2
Maximize the Largest Component (Hard Version)
data structures
dfs and similar
dp
dsu
implementation
+
2200
2k
1954E
Chain Reaction
binary search
data structures
dsu
greedy
implementation
math
number theory
+
2200
3k
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
1922D
Berserk Monsters
brute force
data structures
dsu
implementation
math
+
1900
6.9k
1851G
Vlad and the Mountains
binary search
data structures
dsu
graphs
implementation
sortings
trees
two pointers
+
2000
4.2k
1847D
Professor Higashikata
data structures
dsu
greedy
implementation
strings
+
1900
4.3k
1804G
Flow Control
data structures
dsu
implementation
+
3500
254
1770D
Koxia and Game
constructive algorithms
data structures
dfs and similar
dsu
flows
games
graph matchings
graphs
implementation
+
2000
4.5k
1687D
Cute number
binary search
brute force
data structures
dsu
implementation
math
+
2900
775
1670C
Where is the Pizza?
data structures
dfs and similar
dsu
graphs
implementation
math
+
1400
11.1k
1648E
Air Reform
data structures
dfs and similar
divide and conquer
dsu
graphs
implementation
trees
+
3200
601
1620E
Replace the Numbers
constructive algorithms
data structures
dsu
implementation
+
1900
9.8k
1521D
Nastia Plays with a Tree
constructive algorithms
data structures
dfs and similar
dp
dsu
greedy
implementation
trees
+
2500
2.4k
1482D
Playlist
data structures
dsu
implementation
shortest paths
+
1900
4.1k
1442B
Identify the Operations
combinatorics
data structures
dsu
greedy
implementation
+
1800
5.4k
1419F
Rain of Fire
binary search
data structures
dfs and similar
dsu
graphs
implementation
+
2800
632
1416D
Graph and Queries
data structures
dsu
graphs
implementation
trees
+
2600
2.9k
1402A
Fancy Fence
*special
data structures
dsu
implementation
math
sortings
+
1800
1.4k
1380E
Merging Towers
data structures
dsu
implementation
trees
+
2300
2.5k
1292A
NEKO's Maze Game
data structures
dsu
implementation
+
1400
14k
1213F
Unstable String Sort
data structures
dfs and similar
dsu
graphs
greedy
implementation
strings
+
2100
3.1k
1209G1
Into Blocks (easy version)
data structures
dsu
greedy
implementation
two pointers
+
2000
4.1k
899E
Segments Removal
data structures
dsu
flows
implementation
two pointers
+
2000
3.6k
374E
Inna and Babies
binary search
data structures
dsu
geometry
implementation
+
2600
245
371D
Vessels
data structures
dsu
implementation
trees
+
1800
6.6k
showing 1–43 of 43