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103 problems · filtered by 3 tags
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2234F
Vessels, Heights and Two Versions (Hard Version)
data structures
dfs and similar
dsu
greedy
implementation
two pointers
+
1900
2.3k
2230E
Minimum Influence
binary search
data structures
greedy
implementation
math
sortings
two pointers
+
2100
1.5k
2229G
Roadworks
binary search
data structures
dp
greedy
two pointers
+
2900
345
2227D
Palindromex
binary search
brute force
constructive algorithms
data structures
greedy
implementation
two pointers
+
1200
13.9k
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
2204F
Sum of Fractions
binary search
brute force
combinatorics
data structures
greedy
math
number theory
two pointers
+
2200
1.3k
2182E
New Year's Gifts
binary search
data structures
greedy
sortings
two pointers
+
1800
5.9k
2159B
Rectangles
brute force
data structures
dp
dsu
greedy
implementation
two pointers
+
2100
3.4k
2143D1
Inversion Graph Coloring (Easy Version)
combinatorics
data structures
dp
greedy
two pointers
+
1800
6.8k
2138B
Antiamuny Wants to Learn Swap
data structures
greedy
two pointers
+
1900
5.6k
2131F
Unjust Binary Life
binary search
data structures
greedy
math
sortings
two pointers
+
1900
4.8k
2123E
MEX Count
binary search
data structures
greedy
sortings
two pointers
+
1400
15.3k
2121F
Yamakasi
binary search
brute force
data structures
greedy
two pointers
+
1800
8.3k
2101C
23 Kingdom
binary search
brute force
data structures
greedy
ternary search
two pointers
+
2200
3.8k
2093G
Shorten the Array
binary search
bitmasks
data structures
dfs and similar
greedy
strings
trees
two pointers
+
1900
4k
2089B1
Canteen (Easy Version)
binary search
data structures
flows
greedy
two pointers
+
1900
3.3k
2089B2
Canteen (Hard Version)
binary search
data structures
dp
flows
greedy
two pointers
+
2300
1.3k
2064D
Eating
binary search
bitmasks
brute force
data structures
dp
greedy
trees
two pointers
+
1900
6k
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
2048D
Kevin and Competition Memories
binary search
brute force
data structures
greedy
sortings
two pointers
+
1600
8.5k
2046C
Adventurers
binary search
data structures
greedy
sortings
ternary search
two pointers
+
2100
2.4k
2041M
Selection Sort
binary search
data structures
greedy
two pointers
+
2000
1.4k
2037D
Sharky Surfing
data structures
greedy
two pointers
+
1300
15k
2034B
Rakhsh's Revival
data structures
greedy
implementation
two pointers
+
1000
16.1k
2032D
Genokraken
constructive algorithms
data structures
graphs
greedy
implementation
interactive
trees
two pointers
+
1800
6.3k
2031D
Penchick and Desert Rabbit
binary search
data structures
dfs and similar
dp
dsu
greedy
implementation
two pointers
+
1700
10.1k
2030F
Orangutan Approved Subarrays
binary search
data structures
dp
greedy
implementation
two pointers
+
2400
1.2k
2027D2
The Endspeaker (Hard Version)
binary search
data structures
dp
greedy
implementation
two pointers
+
2200
1.9k
2018B
Speedbreaker
binary search
data structures
dp
greedy
implementation
two pointers
+
1900
5.3k
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
1990F
Polygonal Segments
brute force
data structures
divide and conquer
dp
greedy
two pointers
+
2800
464
1989D
Smithing Skill
brute force
data structures
dp
greedy
math
sortings
two pointers
+
1900
7.2k
1983F
array-value
binary search
bitmasks
data structures
greedy
two pointers
+
2500
1.6k
1982C
Boring Day
binary search
data structures
dp
greedy
two pointers
+
1200
22.3k
1973B
Cat, Fox and the Lonely Array
binary search
bitmasks
data structures
greedy
math
two pointers
+
1300
17.1k
1936D
Bitwise Paradox
binary search
bitmasks
data structures
greedy
two pointers
+
3100
705
1927D
Find the Different Ones!
binary search
brute force
data structures
dp
dsu
greedy
two pointers
+
1300
35.3k
1923D
Slimes
binary search
constructive algorithms
data structures
greedy
two pointers
+
1800
8.5k
1921D
Very Different Array
data structures
greedy
sortings
two pointers
+
1100
24.6k
1898E
Sofia and Strings
data structures
greedy
sortings
strings
two pointers
+
2200
2.8k
1895E
Infinite Card Game
binary search
brute force
data structures
dfs and similar
dp
dsu
games
graphs
greedy
sortings
two pointers
+
2300
1.9k
1887C
Minimum Array
binary search
brute force
constructive algorithms
data structures
greedy
hashing
two pointers
+
2400
2.3k
1858D
Trees and Segments
brute force
data structures
dp
greedy
two pointers
+
2200
3.3k
1845D
Rating System
binary search
brute force
data structures
dp
dsu
greedy
math
two pointers
+
1800
9.2k
1841D
Pairs of Segments
data structures
greedy
sortings
two pointers
+
2000
5.4k
1796D
Maximum Subarray
data structures
dp
greedy
two pointers
+
2000
5.5k
1793E
Velepin and Marketing
binary search
data structures
dp
greedy
sortings
two pointers
+
2600
1.4k
1781E
Rectangle Shrinking
binary search
brute force
data structures
greedy
implementation
two pointers
+
2300
1.5k
1734D
Slime Escape
data structures
dp
greedy
two pointers
+
1800
7.1k
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
1697C
awoo's Favorite Problem
binary search
constructive algorithms
data structures
greedy
implementation
strings
two pointers
+
1400
15.9k
1684E
MEX vs DIFF
binary search
brute force
constructive algorithms
data structures
greedy
two pointers
+
2100
3.7k
1682F
MCMF?
data structures
flows
graphs
greedy
sortings
two pointers
+
2700
471
1676F
Longest Strike
data structures
greedy
implementation
sortings
two pointers
+
1300
20.6k
1669F
Eating Candies
binary search
data structures
greedy
two pointers
+
1100
42.1k
1665E
MinimizOR
bitmasks
brute force
data structures
divide and conquer
greedy
implementation
two pointers
+
2500
1.9k
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
1638F
Two Posters
brute force
data structures
greedy
two pointers
+
3200
277
1632D
New Year Concert
binary search
data structures
greedy
math
number theory
two pointers
+
2000
5.4k
1630B
Range and Partition
binary search
constructive algorithms
data structures
greedy
two pointers
+
1800
6.5k
1626C
Monsters And Spells
binary search
data structures
dp
greedy
implementation
math
two pointers
+
1700
12k
1608C
Game Master
data structures
dfs and similar
dp
graphs
greedy
two pointers
+
1700
7.4k
1582C
Grandma Capa Knits a Scarf
brute force
data structures
greedy
strings
two pointers
+
1200
25.2k
1566D2
Seating Arrangements (hard version)
data structures
greedy
implementation
sortings
two pointers
+
1600
8.4k
1537E2
Erase and Extend (Hard Version)
binary search
data structures
greedy
hashing
string suffix structures
strings
two pointers
+
2200
6.4k
1503C
Travelling Salesman Problem
binary search
data structures
dp
greedy
shortest paths
sortings
two pointers
+
2200
3.9k
1503D
Flip the Cards
2-sat
constructive algorithms
data structures
greedy
sortings
two pointers
+
2600
1.3k
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
1492C
Maximum width
binary search
data structures
dp
greedy
two pointers
+
1500
17.6k
1487E
Cheap Dinner
brute force
data structures
graphs
greedy
implementation
sortings
two pointers
+
2000
5.2k
1454F
Array Partition
binary search
data structures
greedy
two pointers
+
2100
4.8k
1450D
Rating Compression
binary search
data structures
greedy
implementation
two pointers
+
1800
5.9k
1446D2
Frequency Problem (Hard Version)
data structures
greedy
two pointers
+
3000
1.9k
1430D
String Deletion
binary search
data structures
greedy
two pointers
+
1700
9.4k
1404C
Fixed Point Removal
binary search
constructive algorithms
data structures
greedy
two pointers
+
2300
3.1k
1398F
Controversial Rounds
binary search
data structures
dp
greedy
two pointers
+
2500
1.5k
1379C
Choosing flowers
binary search
brute force
data structures
dfs and similar
dp
greedy
sortings
two pointers
+
2000
6.2k
1374E2
Reading Books (hard version)
data structures
greedy
implementation
sortings
ternary search
two pointers
+
2500
1.1k
1367F2
Flying Sort (Hard Version)
binary search
data structures
dp
greedy
sortings
two pointers
+
2400
2k
1343D
Constant Palindrome Sum
brute force
data structures
greedy
two pointers
+
1700
13.6k
1342D
Multiple Testcases
binary search
constructive algorithms
data structures
greedy
sortings
two pointers
+
1900
6.4k
1266D
Decreasing Debts
constructive algorithms
data structures
graphs
greedy
implementation
math
two pointers
+
2000
3.9k
1257D
Yet Another Monster Killing Problem
binary search
data structures
dp
greedy
sortings
two pointers
+
1700
8.2k
1209G1
Into Blocks (easy version)
data structures
dsu
greedy
implementation
two pointers
+
2000
4.1k
1041C
Coffee Break
binary search
data structures
greedy
two pointers
+
1600
10.3k
985E
Pencils and Boxes
binary search
data structures
dp
greedy
two pointers
+
2100
4.3k
954G
Castle Defense
binary search
data structures
greedy
two pointers
+
2000
2.4k
799E
Aquarium decoration
data structures
greedy
two pointers
+
2500
1.1k
777C
Alyona and Spreadsheet
binary search
data structures
dp
greedy
implementation
two pointers
+
1600
6.9k
767D
Cartons of milk
binary search
data structures
greedy
sortings
two pointers
+
2100
2.4k
748E
Santa Claus and Tangerines
binary search
data structures
greedy
two pointers
+
2100
1.7k
746F
Music in Car
data structures
greedy
two pointers
+
2200
929
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