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43 problems · filtered by 3 tags
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2122D
Traffic Lights
brute force
data structures
divide and conquer
dp
graphs
greedy
shortest paths
+
2400
2.8k
2091G
Gleb and Boating
brute force
constructive algorithms
data structures
dp
graphs
greedy
math
number theory
shortest paths
+
2300
1.6k
2068E
Porto Vs. Benfica
data structures
dfs and similar
dsu
graphs
shortest paths
+
2800
384
2059D
Graph and Graph
data structures
graphs
greedy
shortest paths
+
1900
6.7k
2053I2
Affectionate Arrays (Hard Version)
data structures
dp
graphs
greedy
math
shortest paths
two pointers
+
3500
110
2004D
Colored Portals
binary search
brute force
data structures
graphs
greedy
implementation
shortest paths
+
1600
13.5k
1998D
Determine Winning Islands in Race
data structures
dp
graphs
greedy
shortest paths
+
2100
4.2k
1936C
Pokémon Arena
data structures
graphs
greedy
implementation
shortest paths
sortings
+
2400
1.8k
1920F1
Smooth Sailing (Easy Version)
binary search
brute force
data structures
dfs and similar
dsu
graphs
shortest paths
+
2500
1.3k
1860E
Fast Travel Text Editor
data structures
dfs and similar
graphs
shortest paths
+
2400
1.9k
1859F
Teleportation in Byteland
data structures
dfs and similar
divide and conquer
graphs
shortest paths
trees
+
3200
583
1801D
The way home
binary search
data structures
dp
graphs
greedy
shortest paths
sortings
+
2100
2.9k
1715E
Long Way Home
data structures
divide and conquer
dp
geometry
graphs
greedy
shortest paths
+
2400
2.4k
1695C
Zero Path
brute force
data structures
dp
graphs
greedy
shortest paths
+
1700
14.5k
1662F
Antennas
data structures
dfs and similar
graphs
implementation
shortest paths
+
unrated
1.3k
1654G
Snowy Mountain
data structures
dfs and similar
graphs
greedy
shortest paths
trees
+
2900
474
1651D
Nearest Excluded Points
binary search
data structures
dfs and similar
graphs
shortest paths
+
1900
6.7k
1650G
Counting Shortcuts
data structures
dfs and similar
dp
graphs
shortest paths
+
2100
3.1k
1632E1
Distance Tree (easy version)
binary search
data structures
dfs and similar
graphs
shortest paths
trees
+
2400
1.4k
1615H
Reindeer Games
binary search
constructive algorithms
data structures
divide and conquer
flows
graphs
shortest paths
+
3000
457
1601B
Frog Traveler
data structures
dfs and similar
dp
graphs
shortest paths
two pointers
+
1900
5.6k
1580E
Railway Construction
brute force
constructive algorithms
data structures
graphs
shortest paths
+
3400
126
1566G
Four Vertices
constructive algorithms
data structures
graphs
greedy
implementation
shortest paths
+
3100
433
1550F
Jumping Around
binary search
data structures
divide and conquer
dp
dsu
graphs
shortest paths
+
2700
959
1307D
Cow and Fields
binary search
data structures
dfs and similar
graphs
greedy
shortest paths
sortings
+
1900
7.4k
1209F
Koala and Notebook
data structures
dfs and similar
graphs
shortest paths
strings
trees
+
2600
1.4k
1163F
Indecisive Taxi Fee
data structures
graphs
shortest paths
+
3000
1.5k
1106D
Lunar New Year and a Wander
data structures
dfs and similar
graphs
greedy
shortest paths
+
1500
20.7k
938D
Buy a Ticket
data structures
graphs
shortest paths
+
2000
7.4k
912D
Fishes
data structures
graphs
greedy
probabilities
shortest paths
+
2100
2.2k
877D
Olya and Energy Drinks
data structures
dfs and similar
graphs
shortest paths
+
2100
5.3k
827F
Dirty Arkady's Kitchen
data structures
dp
graphs
shortest paths
+
3200
604
786B
Legacy
data structures
graphs
shortest paths
+
2300
8.4k
763D
Timofey and a flat tree
data structures
graphs
hashing
shortest paths
trees
+
2900
682
757F
Team Rocket Rises Again
data structures
graphs
shortest paths
+
2800
1.5k
677D
Vanya and Treasure
data structures
dp
graphs
shortest paths
+
2300
2.1k
525D
Arthur and Walls
constructive algorithms
data structures
graphs
greedy
shortest paths
+
2400
2.3k
464E
The Classic Problem
data structures
graphs
shortest paths
+
3000
2k
311C
Fetch the Treasure
brute force
data structures
graphs
shortest paths
+
2500
597
253C
Text Editor
data structures
dfs and similar
graphs
greedy
shortest paths
+
1600
2.9k
229B
Planets
binary search
data structures
graphs
shortest paths
+
1700
5.9k
175F
Gnomes of Might and Magic
data structures
graphs
implementation
shortest paths
+
3000
77
144D
Missile Silos
data structures
dfs and similar
graphs
shortest paths
+
1900
5.2k
showing 1–43 of 43