https://leetcode.com/problems/race-car

https://cses.fi/problemset/task/1195

https://cses.fi/problemset/task/1074

https://cses.fi/problemset/task/2183/

Max Flow Algorithm / Ford-Fulkerson

Eulerian Path/Cycle

Dijkstra vs Prims

Dijkstra and Bellman-ford

Monotonic Stack

How to check if two lines intersect

Move Semantics

Variadic Template

Const in C++

How C++ works

Fenwick Tree or Binary Indexed Tree

Integer representations

Floating point number representations

https://leetcode.com/problems/regions-cut-by-slashes/description/

Catalan Numbers / Counting Problem

https://leetcode.com/problems/uncrossed-lines/description/

https://leetcode.com/problems/divide-nodes-into-the-maximum-number-of-groups/description/

https://leetcode.com/problems/n-queens-ii/description/

https://leetcode.com/problems/substring-with-concatenation-of-all-words/description/

https://leetcode.com/problems/median-of-two-sorted-arrays/description/

Karatsuba algorithm is a fast integer multiplication algorithm using divide and conquer approach