indy256 / repository

codelibrary

:gem:Collection of algorithms and data structures

#algorithm#cpp#data-structures#java#kotlin

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Collection of algorithms and data structures in C++, Java, Kotlin, Python and Rust

Data structures

Segment tree c++ java kotlin
Segment tree without recursion c++ java
2d tree c++ java
Fenwick tree c++ java kotlin rust
Fenwick tree with extended operations c++ java
Persistent tree java kotlin rust
Centroid decomposition c++ java
Heavy/light decomposition

Graph algorithms

String algorithms

Sorting algorithms

Sorting algorithms c++ java
N-th element java

Geometry algorithms

Segments intersection c++ java
Line operations java
Circle operations java
Convex hull c++ java
Point in polygon query c++ java
Closest pair of points java
Furthest pair of points c++
Implement quaternion (contribute a link or implementation)

Optimization

Simplex algorithm java

Numerical algorithms

Fast Fourier transform (FFT) c++ java
Long arithmetics c++
Fast subset convolution java
Fast Walsh-Hadamar transform java
Karatsuba multiplication java
Newton interpolation java
Laguerre's root-finding algorithm c++

Number theory

Combinatorics

Linear algebra

Gaussian elimination c++ java kotlin
Determinant calculation java
Matrix operations c++ java

c++

java

Link/cut tree c++ java

Link/cut tree for connectivity query java

Link/cut tree for LCA query java

Binary heap java

Binary heap with change priority c++ java

Disjoint sets c++ java rust

Treap c++ java kotlin rust

Treap with indexed key c++ java

k-d tree for point query c++ java

k-d tree for rectangular query java

R-tree java

Metric tree java

Quadtree java

Mergeable heap java rust

Queue with minimum c++ java

Sparse table c++ java java

Sparse segment tree c++

Wavelet tree c++ java

Mo's algorithm java

Mo's algorithm with point updates c++

contribute a link or implementation

Minimum augmentation to strong connectivity (contribute a link or implementation)

Minimum augmentation to biconnectivity (contribute a link or implementation)

c++

java

Hashing c++ java

Parsing java c++

Palindrome tree (contribute a link or implementation)

Sorting strings in linear time (contribute a link or implementation)