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New posts in data-structures
Checking if a 800million entry hashmap contains an element
Feb 03, 2026
java
algorithm
data-structures
Is there a container for modeling publisher-subscriber relationship with fast lookup for either?
Feb 03, 2026
c++
data-structures
containers
What are the concerns with using a hash table with a low # of inputs?
Feb 04, 2026
c++
data-structures
hash
hashtable
Case Insensitive Ternary Search Tree
Feb 03, 2026
java
data-structures
ternary-tree
ternary-search-tree
Returning null in a function that should return an integer
Feb 03, 2026
java
data-structures
null
How can I rearrange loaded time series data?
Feb 03, 2026
r
data-structures
load
reshape
Time complexity of Search operation in TRIE data structure
Feb 02, 2026
python
algorithm
data-structures
trie
Find binary search trees based on traversal in prolog
Jan 31, 2026
data-structures
prolog
binary-tree
binary-search-tree
How can we understand what data structure is needed? [closed]
Feb 02, 2026
data-structures
Custom sort of a list of tuples
Feb 01, 2026
python
list
sorting
data-structures
How to perform DFS or BFS when the edge list is given?
Feb 01, 2026
algorithm
data-structures
graph
depth-first-search
breadth-first-search
Looking a data structure that is a Map but in which keys can be values, values can be keys
Jan 31, 2026
java
algorithm
data-structures
dictionary
Write an algorithm to return an array such that every number k from 1..n is occurring exactly twice and is k distance apart from its replica
Jan 31, 2026
algorithm
data-structures
std::make_heap with pairs
Jan 31, 2026
c++
data-structures
std-pair
Objective-C implementation of a histogram or bag datastructure
Jan 31, 2026
objective-c
data-structures
histogram
multimap
bag
Java: Is there a way to efficiently insert or remove many elements from the middle of a LinkedList?
Jan 30, 2026
java
data-structures
linked-list
Confuse with log(n) behaviour
Jan 30, 2026
algorithm
data-structures
time-complexity
big-o
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