# Session 7 — Recursive Functions

## Problems
- Problem O: https://codeforces.com/group/lRRb3iToWJ/contest/710988/problem/O
- log2: https://codeforces.com/group/MWSDmqGsZm/contest/223339/problem/P

## Recording
- https://drive.google.com/file/d/1kyX-Ki0PfwUgKQ-Fy8thHgmMjVzCjERq/view

## Concepts covered
Base case and call stack. See `/Concept_Resources/recursion.md`.