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179 problems · filtered by 2 tags
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Name
✎
Rating
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1494D
Dogeforces
constructive algorithms
data structures
dfs and similar
divide and conquer
dsu
greedy
sortings
trees
+
2300
2.9k
1482E
Skyline Photo
data structures
divide and conquer
dp
+
2100
3.9k
1461D
Divide and Summarize
binary search
brute force
data structures
divide and conquer
implementation
sortings
+
1600
10.4k
1446C
Xor Tree
binary search
bitmasks
data structures
divide and conquer
dp
trees
+
2100
4.2k
1442D
Sum
data structures
divide and conquer
dp
greedy
+
2800
3k
1439C
Greedy Shopping
binary search
data structures
divide and conquer
greedy
implementation
+
2600
2.3k
1428F
Fruit Sequences
binary search
data structures
divide and conquer
dp
two pointers
+
2400
2.6k
1423H
Virus
data structures
divide and conquer
dsu
graphs
+
2500
669
1420C2
Pokémon Army (hard version)
data structures
divide and conquer
dp
greedy
implementation
+
2100
5.3k
1418G
Three Occurrences
data structures
divide and conquer
hashing
two pointers
+
2500
2.9k
1416C
XOR Inverse
bitmasks
data structures
divide and conquer
dp
greedy
math
sortings
strings
trees
+
2000
5.2k
1400E
Clear the Multiset
data structures
divide and conquer
dp
greedy
+
2200
6.5k
1386C
Joker
*special
bitmasks
data structures
divide and conquer
dsu
+
2800
698
1379F2
Chess Strikes Back (hard version)
data structures
divide and conquer
+
2800
624
1373G
Pawns
data structures
divide and conquer
greedy
+
2600
972
1371F
Raging Thunder
data structures
divide and conquer
implementation
+
2800
746
1336F
Journey
data structures
divide and conquer
graphs
trees
+
3500
284
1316F
Battalion Strength
data structures
divide and conquer
probabilities
+
2800
954
1311F
Moving Points
data structures
divide and conquer
implementation
sortings
+
1900
4.9k
1303G
Sum of Prefix Sums
data structures
divide and conquer
geometry
trees
+
2700
1.1k
1295E
Permutation Separation
data structures
divide and conquer
+
2200
2.9k
1223F
Stack Exterminable Arrays
data structures
divide and conquer
dp
hashing
+
2600
2.3k
1217F
Forced Online Queries Problem
data structures
divide and conquer
dsu
graphs
trees
+
2600
744
1192B
Dynamic Diameter
*special
data structures
dfs and similar
divide and conquer
trees
+
unrated
1.6k
1190D
Tokitsukaze and Strange Rectangle
data structures
divide and conquer
sortings
two pointers
+
2000
2.7k
1175E
Minimal Segment Cover
data structures
dfs and similar
divide and conquer
dp
greedy
implementation
trees
+
2200
4.7k
1175F
The Number of Subpermutations
brute force
data structures
divide and conquer
hashing
math
+
2500
2.8k
1175G
Yet Another Partiton Problem
data structures
divide and conquer
dp
geometry
two pointers
+
3000
859
1156E
Special Segments of Permutation
data structures
divide and conquer
dsu
two pointers
+
2200
4.2k
1155D
Beautiful Array
brute force
data structures
divide and conquer
dp
greedy
+
1900
7.9k
1146E
Hot is Cold
bitmasks
data structures
divide and conquer
implementation
+
2400
1.1k
1140F
Extending Set of Points
data structures
divide and conquer
dsu
+
2600
1.6k
1140G
Double Tree
data structures
divide and conquer
shortest paths
trees
+
2700
658
1139F
Dish Shopping
data structures
divide and conquer
+
2500
556
1114F
Please, another Queries on Array?
bitmasks
data structures
divide and conquer
math
number theory
+
2400
2.6k
1100F
Ivan and Burgers
data structures
divide and conquer
greedy
math
+
2500
3.9k
1043G
Speckled Band
data structures
divide and conquer
hashing
string suffix structures
strings
+
3500
329
1042D
Petya and Array
data structures
divide and conquer
two pointers
+
1800
7.6k
1041F
Ray in the tube
data structures
divide and conquer
dp
math
+
2500
1.7k
1019E
Raining season
data structures
divide and conquer
trees
+
3200
515
1004F
Sonya and Bitwise OR
bitmasks
data structures
divide and conquer
+
2600
985
1000F
One Occurrence
data structures
divide and conquer
+
2400
5.1k
981E
Addition on Segments
bitmasks
data structures
divide and conquer
dp
+
2200
2.6k
936E
Iqea
data structures
dfs and similar
divide and conquer
dsu
shortest paths
trees
+
3400
261
914E
Palindromes in a Tree
bitmasks
data structures
divide and conquer
trees
+
2400
2k
875D
High Cry
binary search
bitmasks
combinatorics
data structures
divide and conquer
+
2200
2.6k
848C
Goodbye Souvenir
data structures
divide and conquer
+
2600
1.7k
833B
The Bakery
binary search
data structures
divide and conquer
dp
two pointers
+
2200
6.8k
833D
Red-Black Cobweb
data structures
divide and conquer
implementation
trees
+
2800
524
817D
Imbalanced Array
data structures
divide and conquer
dsu
sortings
+
1900
6.6k
793F
Julia the snail
data structures
divide and conquer
dp
+
3000
848
793G
Oleg and chess
data structures
divide and conquer
flows
graph matchings
+
3400
519
786C
Till I Collapse
data structures
divide and conquer
+
2400
3.9k
776F
Sherlock's bet to Moriarty
constructive algorithms
data structures
divide and conquer
geometry
graphs
implementation
trees
+
2800
543
763E
Timofey and our friends animals
data structures
divide and conquer
dsu
+
2900
623
757G
Can Bash Save the Day?
data structures
divide and conquer
graphs
trees
+
3400
660
750E
New Year and Old Subsequence
data structures
divide and conquer
dp
matrices
+
2600
2k
678F
Lena and Queries
data structures
divide and conquer
geometry
+
2500
1.1k
665E
Beautiful Subarrays
data structures
divide and conquer
strings
trees
+
2100
4.7k
660F
Bear and Bowling 4
binary search
data structures
divide and conquer
geometry
ternary search
+
2500
2.5k
627C
Package Delivery
data structures
divide and conquer
greedy
+
2200
1.4k
603E
Pastoral Oddities
data structures
divide and conquer
dsu
math
trees
+
3000
1.6k
573D
Bear and Cavalry
data structures
divide and conquer
dp
+
3000
831
549F
Yura and Developers
data structures
divide and conquer
+
2800
1.1k
536E
Tavas on the Path
data structures
divide and conquer
trees
+
3100
554
526F
Pudding Monsters
data structures
divide and conquer
+
3000
3.6k
480E
Parking Lot
data structures
divide and conquer
+
2800
660
459D
Pashmak and Parmida's problem
data structures
divide and conquer
sortings
+
1800
13.3k
452F
Permutation
data structures
divide and conquer
hashing
+
2700
1.9k
429D
Tricky Function
data structures
divide and conquer
geometry
+
2200
3.3k
413E
Maze 2D
data structures
divide and conquer
+
2200
875
379F
New Year Tree
data structures
divide and conquer
trees
+
2400
2.8k
342E
Xenia and Tree
data structures
divide and conquer
trees
+
2400
11.3k
321E
Ciel and Gondolas
data structures
divide and conquer
dp
+
2600
6.6k
293E
Close Vertices
data structures
divide and conquer
trees
+
2700
2.1k
167D
Wizards and Roads
data structures
divide and conquer
graph matchings
graphs
greedy
+
3000
303
150E
Freezing with Style
binary search
data structures
divide and conquer
trees
+
3000
1.1k
117E
Tree or not Tree
data structures
divide and conquer
graphs
implementation
trees
+
2900
451
68D
Half-decay tree
data structures
divide and conquer
dp
math
probabilities
+
2500
540
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