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55 problems · filtered by 3 tags
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Name
✎
Rating
↕
Solved
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2239C
Revival
binary search
data structures
math
two pointers
+
2200
1.3k
2230E
Minimum Influence
binary search
data structures
greedy
implementation
math
sortings
two pointers
+
2100
1.5k
2226C
Mental Monumental (Easy Version)
binary search
data structures
greedy
math
two pointers
+
1500
8.1k
2226E
Mental Monumental (Hard Version)
data structures
greedy
math
two pointers
+
2300
1k
2223B
Zhily and Barknights
binary search
data structures
dp
math
sortings
two pointers
+
1600
3.7k
2204F
Sum of Fractions
binary search
brute force
combinatorics
data structures
greedy
math
number theory
two pointers
+
2200
1.3k
2185D
OutOfMemoryError
data structures
implementation
math
two pointers
+
1100
21.9k
2131F
Unjust Binary Life
binary search
data structures
greedy
math
sortings
two pointers
+
1900
4.8k
2128E2
Submedians (Hard Version)
binary search
constructive algorithms
data structures
math
two pointers
+
2600
818
2063D
Game With Triangles
binary search
brute force
data structures
geometry
greedy
implementation
math
ternary search
two pointers
+
2000
5.2k
2053I2
Affectionate Arrays (Hard Version)
data structures
dp
graphs
greedy
math
shortest paths
two pointers
+
3500
110
2037F
Ardent Flames
binary search
data structures
math
sortings
two pointers
+
2100
3k
2025D
Attribute Checks
brute force
data structures
dp
implementation
math
two pointers
+
1800
8k
2006C
Eri and Expanded Sets
data structures
divide and conquer
math
number theory
two pointers
+
2300
2.1k
2003E2
Turtle and Inversions (Hard Version)
brute force
data structures
divide and conquer
dp
greedy
math
two pointers
+
2700
654
2003F
Turtle and Three Sequences
brute force
data structures
dp
greedy
math
probabilities
two pointers
+
2800
838
1995B2
Bouquet (Hard Version)
binary search
data structures
greedy
math
sortings
two pointers
+
1700
10.3k
1989D
Smithing Skill
brute force
data structures
dp
greedy
math
sortings
two pointers
+
1900
7.2k
1973B
Cat, Fox and the Lonely Array
binary search
bitmasks
data structures
greedy
math
two pointers
+
1300
17.1k
1936B
Pinball
binary search
data structures
implementation
math
two pointers
+
2000
3.6k
1932C
LR-remainders
brute force
data structures
implementation
math
two pointers
+
1400
19.3k
1905D
Cyclic MEX
data structures
implementation
math
two pointers
+
2000
4.8k
1896D
Ones and Twos
binary search
data structures
divide and conquer
math
two pointers
+
1700
7.1k
1887D
Split
binary search
data structures
divide and conquer
dsu
math
trees
two pointers
+
2700
1.3k
1870C
Colorful Table
binary search
data structures
dp
implementation
math
two pointers
+
1300
13.3k
1845D
Rating System
binary search
brute force
data structures
dp
dsu
greedy
math
two pointers
+
1800
9.2k
1833F
Ira and Flamenco
combinatorics
constructive algorithms
data structures
implementation
math
sortings
two pointers
+
1700
10.6k
1814D
Balancing Weapons
binary search
brute force
data structures
math
two pointers
+
2500
1.1k
1811G2
Vlad and the Nice Paths (hard version)
binary search
combinatorics
data structures
dp
math
two pointers
+
2200
2.2k
1797E
Li Hua and Array
brute force
data structures
dsu
math
number theory
two pointers
+
2300
1.7k
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
1701D
Permutation Restoration
binary search
data structures
greedy
math
sortings
two pointers
+
1900
6.3k
1699E
Three Days Grace
data structures
dp
greedy
math
number theory
two pointers
+
2600
1.4k
1659D
Reverse Sort Sum
constructive algorithms
data structures
greedy
implementation
math
two pointers
+
1900
4.5k
1656B
Subtract Operation
data structures
greedy
math
two pointers
+
1100
28.3k
1632D
New Year Concert
binary search
data structures
greedy
math
number theory
two pointers
+
2000
5.4k
1626C
Monsters And Spells
binary search
data structures
dp
greedy
implementation
math
two pointers
+
1700
12k
1598C
Delete Two Elements
data structures
dp
implementation
math
two pointers
+
1200
23.9k
1548B
Integers Have Friends
binary search
data structures
divide and conquer
math
number theory
two pointers
+
1800
11.6k
1538C
Number of Pairs
binary search
data structures
math
two pointers
+
1300
35.6k
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
1418F
Equal Product
data structures
math
number theory
two pointers
+
3000
518
1400D
Zigzags
brute force
combinatorics
data structures
math
two pointers
+
1900
11.5k
1266D
Decreasing Debts
constructive algorithms
data structures
graphs
greedy
implementation
math
two pointers
+
2000
3.9k
1265B
Beautiful Numbers
data structures
implementation
math
two pointers
+
1300
13.7k
1007A
Reorder the Array
combinatorics
data structures
math
sortings
two pointers
+
1300
13.2k
846F
Random Query
data structures
math
probabilities
two pointers
+
1800
2.7k
830C
Bamboo Partition
brute force
data structures
implementation
math
number theory
sortings
two pointers
+
2300
1.3k
733E
Sleep in Class
constructive algorithms
data structures
math
two pointers
+
2400
1.1k
665F
Four Divisors
data structures
dp
math
number theory
sortings
two pointers
+
2400
836
359D
Pair of Numbers
binary search
brute force
data structures
math
two pointers
+
2000
5.9k
86D
Powerful array
data structures
implementation
math
two pointers
+
2200
17.6k
showing 1–55 of 55