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33 problems · filtered by 3 tags
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Name
✎
Rating
↕
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2207F
Hanabi
binary search
data structures
dp
dsu
flows
graph matchings
graphs
greedy
+
2900
315
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
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
2129A
Double Perspective
constructive algorithms
dp
dsu
graphs
greedy
sortings
+
1300
18.3k
2108C
Neo's Escape
binary search
brute force
data structures
dp
dsu
graphs
greedy
implementation
+
1500
15.1k
2106F
Goblin
dfs and similar
dp
dsu
greedy
math
+
1900
4.5k
2086C
Disappearing Permutation
dfs and similar
dp
dsu
graphs
greedy
implementation
+
1300
16.6k
2041J
Bottle Arrangement
data structures
divide and conquer
dp
dsu
greedy
+
2700
273
2033D
Kousuke's Assignment
data structures
dp
dsu
greedy
math
+
1300
18.6k
2031D
Penchick and Desert Rabbit
binary search
data structures
dfs and similar
dp
dsu
greedy
implementation
two pointers
+
1700
10.1k
2021E1
Digital Village (Easy Version)
brute force
data structures
dfs and similar
dp
dsu
fft
graphs
greedy
implementation
math
trees
+
2300
2k
2021E3
Digital Village (Extreme Version)
data structures
dfs and similar
dp
dsu
graphs
greedy
math
trees
+
2800
725
2018D
Max Plus Min Plus Size
data structures
dp
dsu
greedy
implementation
matrices
sortings
+
2200
2.2k
1930D2
Sum over all Substrings (Hard Version)
bitmasks
divide and conquer
dp
dsu
greedy
implementation
strings
+
2100
3.1k
1927D
Find the Different Ones!
binary search
brute force
data structures
dp
dsu
greedy
two pointers
+
1300
35.3k
1895E
Infinite Card Game
binary search
brute force
data structures
dfs and similar
dp
dsu
games
graphs
greedy
sortings
two pointers
+
2300
1.9k
1859D
Andrey and Escape from Capygrad
binary search
data structures
dp
dsu
greedy
sortings
+
1800
8.1k
1845D
Rating System
binary search
brute force
data structures
dp
dsu
greedy
math
two pointers
+
1800
9.2k
1833G
Ksyusha and Chinchilla
constructive algorithms
dfs and similar
dp
dsu
greedy
implementation
trees
+
1800
6.5k
1827B1
Range Sorting (Easy Version)
binary search
dp
dsu
greedy
trees
two pointers
+
2000
4.6k
1824C
LuoTianyi and XOR-Tree
data structures
dfs and similar
dp
dsu
greedy
trees
+
2500
1.7k
1779D
Boris and His Amazing Haircut
constructive algorithms
data structures
dp
dsu
greedy
sortings
+
1700
9.2k
1521D
Nastia Plays with a Tree
constructive algorithms
data structures
dfs and similar
dp
dsu
greedy
implementation
trees
+
2500
2.4k
1370D
Odd-Even Subsequence
binary search
dp
dsu
greedy
implementation
+
2000
11.2k
1220E
Tourism
dfs and similar
dp
dsu
graphs
greedy
trees
+
2200
3.1k
1131D
Gourmet choice
dfs and similar
dp
dsu
graphs
greedy
+
2000
3.7k
1120D
Power Tree
dfs and similar
dp
dsu
graphs
greedy
trees
+
2500
1.8k
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
650C
Table Compression
dfs and similar
dp
dsu
graphs
greedy
+
2200
2.2k
77C
Beavermuncher-0xFF
dfs and similar
dp
dsu
greedy
trees
+
2100
1.3k
showing 1–33 of 33