# Advanced

Some of these topics have not appeared in Platinum and probably never will (ex. Matroid Intersection).

Others have appeared in Old Gold or Platinum very infrequently (ex. BCC, Suffix Array).

### Modules Progress

### Problems Progress

## Data Structures

Max Suffix Query with Insertions Only

Rare

A solution to USACO Gold - Springboards.

Wavelet Tree

Has Not Appeared

?

Updated: Last month

Counting Minimums with Segment Tree

Has Not Appeared

?

Segment Tree Beats

Rare

?

Persistent Data Structures

Rare

What if data structures could time travel?

Treaps

Not Frequent

A randomized binary search tree

Updated: 2 days ago

## Convexity

## Graphs

Shortest Paths with Negative Edge Weights

Has Not Appeared

Returning to Bellman-Ford and Floyd-Warshall.

Eulerian Tours

Has Not Appeared

Visiting all edges of a graph exactly once.

BCCs and 2CCs

Rare

Strongly Connected Components

Rare

Subsets of nodes in directed graphs where each node in a subset can reach each other node in the subset.

Offline Deletion

Has Not Appeared

Erasing from non-amortized insert-only data structures.

Euler's Formula

Rare

A formula for finding the number of faces in a planar graph.

Critical

Rare

CSES Critical Cities and Extensions

Link Cut Tree

Rare

Dynamic operations on a rooted forest

## Dynamic Programming

## Flows

## Polynomials

## Strings

## Misc. Topics

Extended Euclidean Algorithm

Rare

?

XOR Basis

Rare

?

Fracturing Search

Rare

A simple solution to "Robotic Cow Herd" that generalizes.

Game Theory

Has Not Appeared

?

Prefix Sums of Multiplicative Functions

Has Not Appeared

?

Matroid Intersection

Has Not Appeared

?

Interactive and Communication Problems

Rare

Some tips and tricks

Updated: 2 weeks ago

Vectorization in C++

?