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Problemset
61 problems · filtered by 3 tags
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Name
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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
2241G
Summmon
binary search
data structures
greedy
implementation
math
number theory
+
2400
831
2205G
Simons and Diophantus Equation
bitmasks
brute force
data structures
math
number theory
+
3000
231
2204F
Sum of Fractions
binary search
brute force
combinatorics
data structures
greedy
math
number theory
two pointers
+
2200
1.3k
2148G
Farmer John's Last Wish
binary search
data structures
math
number theory
+
1900
4.3k
2123G
Modular Sorting
brute force
data structures
greedy
math
number theory
sortings
+
2100
3.3k
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
2091G
Gleb and Boating
brute force
constructive algorithms
data structures
dp
graphs
greedy
math
number theory
shortest paths
+
2300
1.6k
2050F
Maximum modulo equality
data structures
divide and conquer
math
number theory
+
1700
11.3k
2044F
Easy Demon Problem
binary search
brute force
data structures
math
number theory
+
1900
6.4k
2037G
Natlan Exploring
bitmasks
combinatorics
data structures
dp
math
number theory
+
2000
3.9k
2006C
Eri and Expanded Sets
data structures
divide and conquer
math
number theory
two pointers
+
2300
2.1k
1986G1
Permutation Problem (Simple Version)
binary search
brute force
combinatorics
data structures
math
number theory
+
2200
2k
1986G2
Permutation Problem (Hard Version)
brute force
data structures
hashing
math
number theory
+
2500
1.5k
1982D
Beauty of the mountains
brute force
data structures
implementation
math
number theory
+
1700
10.2k
1977C
Nikita and LCM
brute force
data structures
dp
greedy
math
number theory
sortings
+
1900
8.2k
1954E
Chain Reaction
binary search
data structures
dsu
greedy
implementation
math
number theory
+
2200
3k
1945H
GCD is Greater
brute force
data structures
math
number theory
+
2600
971
1926E
Vlad and an Odd Ordering
binary search
bitmasks
data structures
dp
implementation
math
number theory
+
1500
15.2k
1917D
Yet Another Inversions Problem
combinatorics
data structures
dp
implementation
math
number theory
+
2300
2.1k
1844G
Tree Weights
bitmasks
constructive algorithms
data structures
dfs and similar
implementation
math
matrices
number theory
trees
+
3000
1.2k
1834E
MEX of LCM
binary search
data structures
implementation
math
number theory
+
2300
2.9k
1822G1
Magic Triples (Easy Version)
brute force
data structures
math
number theory
+
1700
9.9k
1822G2
Magic Triples (Hard Version)
brute force
data structures
math
number theory
+
2200
3.1k
1797E
Li Hua and Array
brute force
data structures
dsu
math
number theory
two pointers
+
2300
1.7k
1783E
Game of the Year
brute force
data structures
math
number theory
+
2300
2.5k
1780E
Josuke and Complete Graph
binary search
brute force
data structures
math
number theory
+
2400
1.8k
1759F
All Possible Digits
binary search
data structures
greedy
math
number theory
+
1800
4.6k
1732E
Location
data structures
dp
math
number theory
+
2800
604
1728E
Red-Black Pepper
brute force
data structures
greedy
math
number theory
+
2300
2.1k
1725E
Electrical Efficiency
combinatorics
data structures
dp
math
number theory
trees
+
2500
640
1718C
Tonya and Burenka-179
data structures
greedy
math
number theory
+
2400
1.9k
1718F
Burenka, an Array and Queries
data structures
math
number theory
+
3300
244
1712E2
LCM Sum (hard version)
brute force
data structures
math
number theory
two pointers
+
2500
1.7k
1706D2
Chopping Carrots (Hard Version)
brute force
constructive algorithms
data structures
dp
greedy
math
number theory
two pointers
+
2400
2k
1702F
Equate Multisets
constructive algorithms
data structures
greedy
math
number theory
+
1700
9.6k
1699E
Three Days Grace
data structures
dp
greedy
math
number theory
two pointers
+
2600
1.4k
1658E
Gojou and Matrix Game
data structures
dp
games
hashing
implementation
math
number theory
sortings
+
2500
1.3k
1656H
Equal LCM Subsets
data structures
math
number theory
+
3200
836
1632D
New Year Concert
binary search
data structures
greedy
math
number theory
two pointers
+
2000
5.4k
1561D1
Up the Strip (simplified version)
brute force
data structures
dp
math
number theory
+
1700
6.2k
1548B
Integers Have Friends
binary search
data structures
divide and conquer
math
number theory
two pointers
+
1800
11.6k
1497E1
Square-Free Division (easy version)
data structures
dp
greedy
math
number theory
two pointers
+
1700
9.2k
1497E2
Square-Free Division (hard version)
data structures
dp
greedy
math
number theory
two pointers
+
2500
2k
1493D
GCD of an Array
brute force
data structures
hashing
implementation
math
number theory
sortings
two pointers
+
2100
5.9k
1422F
Boring Queries
data structures
math
number theory
+
2700
1.4k
1418F
Equal Product
data structures
math
number theory
two pointers
+
3000
518
1349A
Orac and LCM
data structures
math
number theory
+
1600
22.4k
1200F
Graph Traveler
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2300
1.2k
1114F
Please, another Queries on Array?
bitmasks
data structures
divide and conquer
math
number theory
+
2400
2.6k
1061C
Multiplicity
data structures
dp
implementation
math
number theory
+
1700
11k
986E
Prince's Problem
brute force
data structures
math
number theory
trees
+
2800
957
979D
Kuro and GCD and XOR and SUM
binary search
bitmasks
brute force
data structures
dp
dsu
greedy
math
number theory
strings
trees
+
2200
2.3k
830C
Bamboo Partition
brute force
data structures
implementation
math
number theory
sortings
two pointers
+
2300
1.3k
731F
Video Cards
brute force
data structures
implementation
math
number theory
+
1900
3.2k
665F
Four Divisors
data structures
dp
math
number theory
sortings
two pointers
+
2400
836
633G
Yash And Trees
bitmasks
data structures
dfs and similar
math
number theory
+
2800
933
474F
Ant colony
data structures
math
number theory
+
2100
12.3k
446C
DZY Loves Fibonacci Numbers
data structures
math
number theory
+
2400
4.1k
385C
Bear and Prime Numbers
binary search
brute force
data structures
dp
implementation
math
number theory
+
1700
10.8k
226C
Anniversary
data structures
implementation
math
matrices
number theory
+
2400
1k
showing 1–61 of 61