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Problemset
58 problems · filtered by 4 tags
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Name
✎
Rating
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2229G
Roadworks
binary search
data structures
dp
greedy
two pointers
+
2900
345
2227E
It All Went Sideways
binary search
data structures
dp
greedy
+
1400
9.7k
2227F
It Just Keeps Going Sideways
binary search
data structures
dp
greedy
math
+
1700
4.4k
2207F
Hanabi
binary search
data structures
dp
dsu
flows
graph matchings
graphs
greedy
+
2900
315
2196E2
Fuzzy Concatenation (Hard version)
binary search
bitmasks
data structures
dp
greedy
string suffix structures
+
3000
238
2185H
BattleCows 2
binary search
brute force
data structures
dp
greedy
+
2500
752
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
2161D
Locked Out
binary search
data structures
dp
greedy
+
2100
2.9k
2157E
Adjusting Drones
binary search
brute force
data structures
dp
dsu
greedy
implementation
sortings
+
1900
4.6k
2156E
Best Time to Buy and Sell Stock
binary search
brute force
data structures
dp
games
graphs
greedy
+
2500
1k
2128E1
Submedians (Easy Version)
binary search
data structures
dp
greedy
math
+
1900
6.8k
2108C
Neo's Escape
binary search
brute force
data structures
dp
dsu
graphs
greedy
implementation
+
1500
15.1k
2107F2
Cycling (Hard Version)
binary search
brute force
data structures
dp
greedy
+
2800
566
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
2043C
Sums on Segments
binary search
brute force
data structures
dp
greedy
math
+
1600
11.5k
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
2029C
New Rating
binary search
data structures
dp
greedy
+
1700
7.8k
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
2013F1
Game in Tree (Easy Version)
binary search
brute force
data structures
dp
games
greedy
implementation
trees
+
2700
679
1982C
Boring Day
binary search
data structures
dp
greedy
two pointers
+
1200
22.3k
1969E
Unique Array
binary search
data structures
divide and conquer
dp
greedy
+
2400
1.9k
1942D
Learning to Paint
binary search
data structures
dfs and similar
dp
greedy
implementation
sortings
+
2100
3.4k
1935C
Messenger in MAC
binary search
brute force
constructive algorithms
data structures
dp
greedy
sortings
+
1800
9.9k
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
1895G
Two Characters, Two Colors
binary search
data structures
dp
flows
greedy
+
3100
405
1866G
Grouped Carriages
binary search
data structures
dp
flows
greedy
+
2100
2.3k
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
1827B2
Range Sorting (Hard Version)
binary search
data structures
dp
greedy
+
2400
2.4k
1801C
Music Festival
binary search
data structures
dp
greedy
sortings
+
1900
4.2k
1801D
The way home
binary search
data structures
dp
graphs
greedy
shortest paths
sortings
+
2100
2.9k
1795E
Explosions?
binary search
data structures
dp
greedy
math
+
2200
2.4k
1793E
Velepin and Marketing
binary search
data structures
dp
greedy
sortings
two pointers
+
2600
1.4k
1750E
Bracket Cost
binary search
data structures
divide and conquer
dp
greedy
strings
+
2400
1.7k
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
data structures
dp
greedy
sortings
+
1300
31.8k
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
1582E
Pchelyonok and Segments
binary search
data structures
dp
greedy
math
+
2000
4.3k
1539E
Game with Cards
binary search
constructive algorithms
data structures
dp
greedy
implementation
+
2500
1.1k
1535E
Gold Transfer
binary search
data structures
dp
greedy
interactive
trees
+
2200
3.1k
1503C
Travelling Salesman Problem
binary search
data structures
dp
greedy
shortest paths
sortings
two pointers
+
2200
3.9k
1492C
Maximum width
binary search
data structures
dp
greedy
two pointers
+
1500
17.6k
1416E
Split
binary search
data structures
dp
greedy
+
3200
546
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
1367F2
Flying Sort (Hard Version)
binary search
data structures
dp
greedy
sortings
two pointers
+
2400
2k
1334F
Strange Function
binary search
data structures
dp
greedy
+
2500
1.6k
1257D
Yet Another Monster Killing Problem
binary search
data structures
dp
greedy
sortings
two pointers
+
1700
8.2k
1059E
Split the Tree
binary search
data structures
dp
greedy
trees
+
2400
1.7k
1004E
Sonya and Ice Cream
binary search
data structures
dp
greedy
shortest paths
trees
+
2400
1.3k
985E
Pencils and Boxes
binary search
data structures
dp
greedy
two pointers
+
2100
4.3k
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
777C
Alyona and Spreadsheet
binary search
data structures
dp
greedy
implementation
two pointers
+
1600
6.9k
showing 1–58 of 58