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31 problems · filtered by 4 tags
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Rating
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2244E
Masha and the Garland
data structures
dp
greedy
implementation
math
number theory
strings
+
unrated
7.6k
2179H
Blackslex and Plants
bitmasks
data structures
dp
implementation
math
+
2200
1.4k
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
2071D2
Infinite Sequence (Hard Version)
bitmasks
brute force
constructive algorithms
data structures
dp
implementation
math
+
2500
1.1k
2063F1
Counting Is Not Fun (Easy Version)
combinatorics
data structures
dfs and similar
dp
dsu
graphs
hashing
implementation
math
trees
+
2400
1.6k
2053F
Earnest Matrix Complement
brute force
data structures
dp
greedy
implementation
math
+
2600
963
2048F
Kevin and Math Class
brute force
data structures
divide and conquer
dp
implementation
math
trees
+
2500
1.3k
2044H
Hard Demon Problem
constructive algorithms
data structures
dp
implementation
math
+
2100
2.7k
2031E
Penchick and Chloe's Trees
data structures
dfs and similar
dp
greedy
implementation
math
sortings
trees
+
2100
2.8k
2030E
MEXimize the Score
combinatorics
data structures
dp
greedy
implementation
math
+
2200
2k
2026D
Sums of Segments
binary search
data structures
dp
implementation
math
+
1900
6.1k
2025D
Attribute Checks
brute force
data structures
dp
implementation
math
two pointers
+
1800
8k
2021E1
Digital Village (Easy Version)
brute force
data structures
dfs and similar
dp
dsu
fft
graphs
greedy
implementation
math
trees
+
2300
2k
1926E
Vlad and an Odd Ordering
binary search
bitmasks
data structures
dp
implementation
math
number theory
+
1500
15.2k
1921F
Sum of Progression
brute force
data structures
dp
implementation
math
+
1900
5.2k
1917D
Yet Another Inversions Problem
combinatorics
data structures
dp
implementation
math
number theory
+
2300
2.1k
1870C
Colorful Table
binary search
data structures
dp
implementation
math
two pointers
+
1300
13.3k
1829G
Hits Different
data structures
dp
implementation
math
+
1600
15.9k
1658E
Gojou and Matrix Game
data structures
dp
games
hashing
implementation
math
number theory
sortings
+
2500
1.3k
1626C
Monsters And Spells
binary search
data structures
dp
greedy
implementation
math
two pointers
+
1700
12k
1619E
MEX and Increments
constructive algorithms
data structures
dp
greedy
implementation
math
sortings
+
1700
10.3k
1598C
Delete Two Elements
data structures
dp
implementation
math
two pointers
+
1200
23.9k
1598E
Staircases
brute force
combinatorics
data structures
dfs and similar
dp
implementation
math
+
2100
2.5k
1202C
You Are Given a WASD-string...
brute force
data structures
dp
greedy
implementation
math
strings
+
2100
2.8k
1200F
Graph Traveler
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2300
1.2k
1189C
Candies!
data structures
dp
implementation
math
+
1400
11.1k
1061C
Multiplicity
data structures
dp
implementation
math
number theory
+
1700
11k
385C
Bear and Prime Numbers
binary search
brute force
data structures
dp
implementation
math
number theory
+
1700
10.8k
362C
Insertion Sort
data structures
dp
implementation
math
+
1900
2k
280E
Sequence Transformation
brute force
data structures
dp
implementation
math
+
3000
327
75D
Big Maximum Sum
data structures
dp
greedy
implementation
math
trees
+
2000
2.1k
showing 1–31 of 31