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35 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
2131G
Wafu!
bitmasks
brute force
data structures
dfs and similar
dp
math
+
2000
3.9k
2126F
1-1-1, Free Tree!
brute force
data structures
dfs and similar
graphs
implementation
trees
+
2000
4.4k
2118D2
Red Light, Green Light (Hard version)
binary search
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2200
2.6k
2063C
Remove Exactly Two
brute force
data structures
dfs and similar
dp
graphs
greedy
sortings
trees
+
1600
15.1k
2043E
Matrix Transformation
bitmasks
brute force
data structures
dfs and similar
graphs
greedy
implementation
+
2300
1.9k
2042E
Vertex Pairs
binary search
brute force
data structures
dfs and similar
divide and conquer
greedy
implementation
trees
+
2900
535
2033E
Sakurako, Kosuke, and the Permutation
brute force
data structures
dfs and similar
dsu
graphs
greedy
math
+
1400
14.5k
2027C
Add Zeros
brute force
data structures
dfs and similar
dp
graphs
greedy
+
1500
14.1k
2021E1
Digital Village (Easy Version)
brute force
data structures
dfs and similar
dp
dsu
fft
graphs
greedy
implementation
math
trees
+
2300
2k
2006B
Iris and the Tree
brute force
data structures
dfs and similar
dsu
math
trees
+
1800
4.4k
2006E
Iris's Full Binary Tree
brute force
data structures
dfs and similar
trees
+
3100
328
2002D1
DFS Checker (Easy Version)
brute force
data structures
dfs and similar
graphs
hashing
trees
+
1900
5.2k
1987E
Wonderful Tree!
brute force
data structures
dfs and similar
dsu
greedy
trees
+
2000
4.2k
1985H1
Maximize the Largest Component (Easy Version)
brute force
data structures
dfs and similar
dsu
graphs
implementation
+
1700
7.4k
1929F
Sasha and the Wedding Binary Search Tree
brute force
combinatorics
data structures
dfs and similar
math
trees
+
2300
2.4k
1920F1
Smooth Sailing (Easy Version)
binary search
brute force
data structures
dfs and similar
dsu
graphs
shortest paths
+
2500
1.3k
1895E
Infinite Card Game
binary search
brute force
data structures
dfs and similar
dp
dsu
games
graphs
greedy
sortings
two pointers
+
2300
1.9k
1878G
wxhtzdy ORO Tree
binary search
bitmasks
brute force
data structures
dfs and similar
implementation
trees
+
2300
1.5k
1858E1
Rollbacks (Easy Version)
brute force
data structures
dfs and similar
trees
+
2500
1.7k
1810E
Monsters
brute force
data structures
dfs and similar
dsu
graphs
greedy
+
2100
4k
1806E
Tree Master
brute force
data structures
dfs and similar
trees
+
2200
3.5k
1805E
There Should Be a Lot of Maximums
brute force
data structures
dfs and similar
dp
trees
two pointers
+
2300
2k
1797D
Li Hua and Tree
brute force
data structures
dfs and similar
dp
implementation
trees
+
1900
4.7k
1771D
Hossam and (sub-)palindromic tree
brute force
data structures
dfs and similar
dp
strings
trees
+
2100
3.3k
1625E1
Cats on the Upgrade (easy version)
brute force
data structures
dfs and similar
divide and conquer
dp
graphs
trees
+
2500
1.2k
1598E
Staircases
brute force
combinatorics
data structures
dfs and similar
dp
implementation
math
+
2100
2.5k
1593E
Gardener and Tree
brute force
data structures
dfs and similar
greedy
implementation
trees
+
1600
15.1k
1578J
Just Kingdom
brute force
data structures
dfs and similar
+
3100
381
1574D
The Strongest Build
binary search
brute force
data structures
dfs and similar
graphs
greedy
hashing
implementation
+
2000
4.9k
1508C
Complete the MST
bitmasks
brute force
data structures
dfs and similar
dsu
graphs
greedy
trees
+
2500
1.8k
1508E
Tree Calendar
brute force
constructive algorithms
data structures
dfs and similar
sortings
trees
+
3100
453
1379C
Choosing flowers
binary search
brute force
data structures
dfs and similar
dp
greedy
sortings
two pointers
+
2000
6.2k
1200F
Graph Traveler
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2300
1.2k
750D
New Year and Fireworks
brute force
data structures
dfs and similar
dp
implementation
+
1900
3.2k
showing 1–35 of 35