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31 problems · filtered by 4 tags
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Rating
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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
2157E
Adjusting Drones
binary search
brute force
data structures
dp
dsu
greedy
implementation
sortings
+
1900
4.6k
2121H
Ice Baby
binary search
brute force
data structures
dp
implementation
sortings
+
2300
2.3k
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
2108C
Neo's Escape
binary search
brute force
data structures
dp
dsu
graphs
greedy
implementation
+
1500
15.1k
2038D
Divide OR Conquer
binary search
bitmasks
data structures
dp
implementation
+
2400
888
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
2026D
Sums of Segments
binary search
data structures
dp
implementation
math
+
1900
6.1k
2018B
Speedbreaker
binary search
data structures
dp
greedy
implementation
two pointers
+
1900
5.3k
2013F1
Game in Tree (Easy Version)
binary search
brute force
data structures
dp
games
greedy
implementation
trees
+
2700
679
1942D
Learning to Paint
binary search
data structures
dfs and similar
dp
greedy
implementation
sortings
+
2100
3.4k
1926E
Vlad and an Odd Ordering
binary search
bitmasks
data structures
dp
implementation
math
number theory
+
1500
15.2k
1918D
Blocking Elements
binary search
data structures
dp
implementation
two pointers
+
1900
6.4k
1902D
Robot Queries
binary search
data structures
dp
implementation
+
1900
5.4k
1870C
Colorful Table
binary search
data structures
dp
implementation
math
two pointers
+
1300
13.3k
1866K
Keen Tree Calculation
binary search
data structures
dp
geometry
graphs
implementation
trees
+
2500
585
1746G
Olympiad Training
binary search
data structures
dp
flows
geometry
implementation
sortings
+
3500
118
1626C
Monsters And Spells
binary search
data structures
dp
greedy
implementation
math
two pointers
+
1700
12k
1621E
New School
binary search
data structures
dp
greedy
implementation
sortings
+
2300
2k
1572A
Book
binary search
brute force
data structures
dp
graphs
implementation
sortings
+
1800
10.6k
1539E
Game with Cards
binary search
constructive algorithms
data structures
dp
greedy
implementation
+
2500
1.1k
1470E
Strange Permutation
binary search
combinatorics
data structures
dp
graphs
implementation
two pointers
+
3200
981
1437E
Make It Increasing
binary search
constructive algorithms
data structures
dp
implementation
+
2200
4k
1408D
Searchlights
binary search
brute force
data structures
dp
implementation
sortings
two pointers
+
2000
4.7k
1301E
Nanosoft
binary search
data structures
dp
implementation
+
2500
1.7k
1284B
New Year and Ascent Sequence
binary search
combinatorics
data structures
dp
implementation
sortings
+
1400
11.6k
777C
Alyona and Spreadsheet
binary search
data structures
dp
greedy
implementation
two pointers
+
1600
6.9k
385C
Bear and Prime Numbers
binary search
brute force
data structures
dp
implementation
math
number theory
+
1700
10.8k
showing 1–31 of 31