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166 problems · filtered by 3 tags
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Name
✎
Rating
↕
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2244E
Masha and the Garland
data structures
dp
greedy
implementation
math
number theory
strings
+
unrated
7.6k
2242B
Predominant Frequency Division
data structures
greedy
implementation
math
+
1000
16.1k
2241G
Summmon
binary search
data structures
greedy
implementation
math
number theory
+
2400
831
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
2227D
Palindromex
binary search
brute force
constructive algorithms
data structures
greedy
implementation
two pointers
+
1200
13.9k
2209F
Dynamic Values And Maximum Sum
data structures
greedy
implementation
trees
+
2700
460
2205D
Simons and Beating Peaks
data structures
divide and conquer
dp
greedy
implementation
trees
+
1700
5.6k
2201D
Binary Not Search and Queries
data structures
greedy
implementation
+
2500
855
2200F
Mooclear Reactor 2
brute force
data structures
greedy
implementation
sortings
+
1900
3.2k
2189F
Zhora the Vacuum Cleaner
data structures
dfs and similar
dp
greedy
implementation
sortings
trees
+
2800
254
2183D2
Tree Coloring (Hard Version)
combinatorics
constructive algorithms
data structures
dfs and similar
greedy
implementation
trees
+
2100
2.6k
2176E
Remove at the lowest cost
data structures
dfs and similar
dp
dsu
greedy
implementation
trees
+
2400
1.3k
2171D
Rae Taylor and Trees (easy version)
binary search
data structures
dp
dsu
greedy
implementation
trees
+
1400
12.3k
2171F
Rae Taylor and Trees (hard version)
binary search
constructive algorithms
data structures
dp
dsu
greedy
implementation
trees
+
1600
7.6k
2167E
khba Loves to Sleep!
binary search
data structures
geometry
greedy
implementation
+
1600
9.6k
2159B
Rectangles
brute force
data structures
dp
dsu
greedy
implementation
two pointers
+
2100
3.4k
2157E
Adjusting Drones
binary search
brute force
data structures
dp
dsu
greedy
implementation
sortings
+
1900
4.6k
2156F1
Strange Operation (Easy Version)
brute force
data structures
greedy
implementation
sortings
+
2200
1.7k
2111D
Creating a Schedule
constructive algorithms
data structures
greedy
implementation
sortings
+
1400
12.3k
2111E
Changing the String
binary search
data structures
greedy
implementation
sortings
strings
+
1900
5.5k
2108C
Neo's Escape
binary search
brute force
data structures
dp
dsu
graphs
greedy
implementation
+
1500
15.1k
2104B
Move to the End
brute force
data structures
dp
greedy
implementation
+
1000
21.3k
2090C
Dining Hall
data structures
greedy
implementation
sortings
+
1700
6.5k
2084C
You Soared Afar With Grace
constructive algorithms
data structures
greedy
implementation
+
1400
12k
2077D
Maximum Polygon
brute force
data structures
greedy
implementation
math
+
3100
393
2066B
White Magic
constructive algorithms
data structures
dp
greedy
implementation
+
1900
5.6k
2066E
Tropical Season
binary search
data structures
greedy
implementation
+
3300
429
2063D
Game With Triangles
binary search
brute force
data structures
geometry
greedy
implementation
math
ternary search
two pointers
+
2000
5.2k
2057D
Gifts Order
data structures
greedy
implementation
math
matrices
+
2000
5.5k
2053F
Earnest Matrix Complement
brute force
data structures
dp
greedy
implementation
math
+
2600
963
2046F2
Yandex Cuneiform (Hard Version)
constructive algorithms
data structures
greedy
implementation
+
3500
110
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
2035D
Yet Another Real Number Problem
binary search
data structures
divide and conquer
greedy
implementation
math
+
1800
5.9k
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
2032E
Balanced
constructive algorithms
data structures
greedy
implementation
math
+
2400
1.4k
2031D
Penchick and Desert Rabbit
binary search
data structures
dfs and similar
dp
dsu
greedy
implementation
two pointers
+
1700
10.1k
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
2030F
Orangutan Approved Subarrays
binary search
data structures
dp
greedy
implementation
two pointers
+
2400
1.2k
2028D
Alice's Adventures in Cards
constructive algorithms
data structures
dp
graphs
greedy
implementation
ternary search
+
2000
3.8k
2027D2
The Endspeaker (Hard Version)
binary search
data structures
dp
greedy
implementation
two pointers
+
2200
1.9k
2026C
Action Figures
binary search
brute force
constructive algorithms
data structures
greedy
implementation
+
1500
12.9k
2021C2
Adjust The Presentation (Hard Version)
constructive algorithms
data structures
greedy
implementation
sortings
+
1900
4.6k
2021E1
Digital Village (Easy Version)
brute force
data structures
dfs and similar
dp
dsu
fft
graphs
greedy
implementation
math
trees
+
2300
2k
2018B
Speedbreaker
binary search
data structures
dp
greedy
implementation
two pointers
+
1900
5.3k
2018D
Max Plus Min Plus Size
data structures
dp
dsu
greedy
implementation
matrices
sortings
+
2200
2.2k
2014G
Milky Days
brute force
data structures
greedy
implementation
+
2200
1.8k
2013F1
Game in Tree (Easy Version)
binary search
brute force
data structures
dp
games
greedy
implementation
trees
+
2700
679
2008E
Alternating String
brute force
data structures
dp
greedy
implementation
strings
+
1500
13.8k
2006D
Iris and Adjacent Products
data structures
greedy
implementation
math
+
2600
997
2005E2
Subtangle Game (Hard Version)
data structures
dp
games
greedy
implementation
+
2500
1.1k
2004D
Colored Portals
binary search
brute force
data structures
graphs
greedy
implementation
shortest paths
+
1600
13.5k
2001D
Longest Max Min Subsequence
brute force
constructive algorithms
data structures
greedy
implementation
+
1900
6.6k
1998E2
Eliminating Balls With Merging (Hard Version)
binary search
brute force
data structures
divide and conquer
greedy
implementation
+
2500
927
1980E
Permutation of Rows and Columns
constructive algorithms
data structures
greedy
hashing
implementation
math
matrices
sortings
+
1600
13.3k
1978C
Manhattan Permutations
constructive algorithms
data structures
greedy
implementation
math
+
1300
18k
1978D
Elections
data structures
greedy
implementation
math
+
1600
13.9k
1978E
Computing Machine
brute force
data structures
dp
greedy
implementation
+
2000
4.7k
1954E
Chain Reaction
binary search
data structures
dsu
greedy
implementation
math
number theory
+
2200
3k
1942D
Learning to Paint
binary search
data structures
dfs and similar
dp
greedy
implementation
sortings
+
2100
3.4k
1936C
Pokémon Arena
data structures
graphs
greedy
implementation
shortest paths
sortings
+
2400
1.8k
1935F
Andrey's Tree
binary search
constructive algorithms
data structures
dfs and similar
dsu
greedy
implementation
trees
+
2800
634
1927F
Microcycle
data structures
dfs and similar
dsu
graphs
greedy
implementation
sortings
trees
+
1900
5.6k
1918B
Minimize Inversions
constructive algorithms
data structures
greedy
implementation
sortings
+
900
27.5k
1904D2
Set To Max (Hard Version)
constructive algorithms
data structures
divide and conquer
greedy
implementation
sortings
+
1800
5.8k
1868F
LIS?
data structures
greedy
implementation
+
3500
140
1848B
Vika and the Bridge
binary search
data structures
greedy
implementation
math
sortings
+
1200
26.1k
1847D
Professor Higashikata
data structures
dsu
greedy
implementation
strings
+
1900
4.3k
1837F
Editorial for Two
binary search
data structures
greedy
implementation
+
2400
2.7k
1834D
Survey in Class
brute force
data structures
greedy
implementation
sortings
+
1900
5.6k
1809F
Traveling in Berland
binary search
data structures
graphs
greedy
implementation
+
2500
972
1807G1
Subsequence Addition (Easy Version)
brute force
data structures
dp
greedy
implementation
sortings
+
1100
22.7k
1799A
Recent Actions
data structures
greedy
implementation
math
+
800
12.4k
1798B
Three Sevens
brute force
data structures
greedy
implementation
+
1000
19k
1794E
Labeling the Tree with Distances
data structures
dp
greedy
hashing
implementation
trees
+
2400
1.6k
1781E
Rectangle Shrinking
binary search
brute force
data structures
greedy
implementation
two pointers
+
2300
1.5k
1749C
Number Game
binary search
data structures
games
greedy
implementation
+
1400
15.9k
1748C
Zero-Sum Prefixes
brute force
data structures
dp
greedy
implementation
+
1600
13.3k
1720E
Misha and Paintings
constructive algorithms
data structures
greedy
implementation
math
+
2700
1k
1716C
Robot in a Hallway
data structures
dp
greedy
implementation
ternary search
+
2000
4.7k
1714B
Remove Prefix
data structures
greedy
implementation
+
800
34.3k
1710B
Rain
binary search
brute force
data structures
geometry
greedy
implementation
math
+
2100
2.8k
1697C
awoo's Favorite Problem
binary search
constructive algorithms
data structures
greedy
implementation
strings
two pointers
+
1400
15.9k
1690C
Restoring the Duration of Tasks
data structures
greedy
implementation
+
800
28.3k
1676F
Longest Strike
data structures
greedy
implementation
sortings
two pointers
+
1300
20.6k
1674F
Desktop Rearrangement
data structures
greedy
implementation
+
1800
5.7k
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
1654C
Alice and the Cake
data structures
greedy
implementation
sortings
+
1400
14.6k
1650E
Rescheduling the Exam
binary search
data structures
greedy
implementation
math
sortings
+
1900
4.5k
1638D
Big Brush
constructive algorithms
data structures
greedy
implementation
+
2000
4.8k
1626C
Monsters And Spells
binary search
data structures
dp
greedy
implementation
math
two pointers
+
1700
12k
1621B
Integers Shop
data structures
greedy
implementation
+
1500
14.6k
1621E
New School
binary search
data structures
dp
greedy
implementation
sortings
+
2300
2k
1621F
Strange Instructions
data structures
greedy
implementation
+
2700
662
1619E
MEX and Increments
constructive algorithms
data structures
dp
greedy
implementation
math
sortings
+
1700
10.3k
1593E
Gardener and Tree
brute force
data structures
dfs and similar
greedy
implementation
trees
+
1600
15.1k
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