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43 problems · filtered by 3 tags
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✎
Rating
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2194E
The Turtle Strikes Back
dp
graphs
greedy
implementation
+
2000
2.8k
2193H
Remove the Grail Tree
dfs and similar
dp
graphs
greedy
implementation
trees
+
2400
1.1k
2127H
23 Rises Again
brute force
dfs and similar
dp
flows
graph matchings
graphs
greedy
implementation
probabilities
trees
+
3100
1.9k
2118D1
Red Light, Green Light (Easy version)
brute force
dfs and similar
dp
graphs
implementation
number theory
+
1700
8.6k
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
2097B
Baggage Claim
combinatorics
dfs and similar
dp
dsu
graphs
implementation
math
trees
+
2300
2k
2086C
Disappearing Permutation
dfs and similar
dp
dsu
graphs
greedy
implementation
+
1300
16.6k
2063F1
Counting Is Not Fun (Easy Version)
combinatorics
data structures
dfs and similar
dp
dsu
graphs
hashing
implementation
math
trees
+
2400
1.6k
2044G2
Medium Demon Problem (hard version)
dfs and similar
dp
dsu
graphs
implementation
trees
+
1900
4k
2028D
Alice's Adventures in Cards
constructive algorithms
data structures
dp
graphs
greedy
implementation
ternary search
+
2000
3.8k
2027D1
The Endspeaker (Easy Version)
binary search
dp
graphs
greedy
implementation
two pointers
+
1700
7.1k
2021E1
Digital Village (Easy Version)
brute force
data structures
dfs and similar
dp
dsu
fft
graphs
greedy
implementation
math
trees
+
2300
2k
2003D2
Turtle and a MEX Problem (Hard Version)
dfs and similar
dp
graphs
greedy
implementation
math
+
2100
4.7k
1950G
Shuffling Songs
bitmasks
dfs and similar
dp
graphs
hashing
implementation
strings
+
1900
6.3k
1926G
Vlad and Trouble at MIT
dfs and similar
dp
flows
graphs
greedy
implementation
trees
+
1900
4.7k
1900E
Transitive Graph
dfs and similar
dp
dsu
graphs
implementation
+
2100
2.7k
1866K
Keen Tree Calculation
binary search
data structures
dp
geometry
graphs
implementation
trees
+
2500
585
1826E
Walk the Runway
bitmasks
brute force
data structures
dp
graphs
implementation
sortings
+
2400
2k
1737D
Ela and the Wiring Wizard
brute force
dp
graphs
greedy
implementation
shortest paths
+
2200
2.1k
1704E
Count Seconds
brute force
constructive algorithms
dp
graphs
implementation
math
+
2200
2.7k
1697E
Coloring
brute force
combinatorics
constructive algorithms
dp
geometry
graphs
greedy
implementation
math
+
2400
1.5k
1617E
Christmas Chocolates
dfs and similar
dp
games
graphs
implementation
math
number theory
shortest paths
trees
+
2700
1.1k
1572A
Book
binary search
brute force
data structures
dp
graphs
implementation
sortings
+
1800
10.6k
1549B
Gregor and the Pawn Game
dfs and similar
dp
flows
graph matchings
graphs
greedy
implementation
+
800
27.2k
1498D
Bananas in a Microwave
dfs and similar
dp
graphs
implementation
+
2200
2.5k
1470E
Strange Permutation
binary search
combinatorics
data structures
dp
graphs
implementation
two pointers
+
3200
981
1360E
Polygon
dp
graphs
implementation
shortest paths
+
1300
28.3k
1244D
Paint the Tree
brute force
constructive algorithms
dp
graphs
implementation
trees
+
1800
8.4k
1200F
Graph Traveler
brute force
data structures
dfs and similar
dp
graphs
implementation
math
number theory
+
2300
1.2k
1183E
Subsequences (easy version)
dp
graphs
implementation
shortest paths
+
2000
5.6k
1137C
Museums Tour
dp
graphs
implementation
+
2500
1.4k
959E
Mahmoud and Ehab and the xor-MST
bitmasks
dp
graphs
implementation
math
+
1900
3.8k
830E
Perpetual Motion Machine
constructive algorithms
dp
graphs
implementation
math
trees
+
3100
373
763A
Timofey and a tree
dfs and similar
dp
dsu
graphs
implementation
trees
+
1600
12.1k
704C
Black Widow
dp
graphs
implementation
math
+
2900
562
463D
Gargari and Permutations
dfs and similar
dp
graphs
implementation
+
1900
7.4k
386D
Game with Points
dp
graphs
implementation
shortest paths
+
2100
584
374C
Inna and Dima
dfs and similar
dp
graphs
implementation
+
1900
3k
89B
Widget Library
dp
expression parsing
graphs
implementation
+
2300
615
87D
Beautiful Road
dfs and similar
dp
dsu
graphs
implementation
sortings
trees
+
2300
1.1k
81E
Pairs
dfs and similar
dp
dsu
graphs
implementation
trees
+
2700
460
67A
Partial Teacher
dp
graphs
greedy
implementation
+
1800
2.6k
showing 1–43 of 43