## Overview
### General Tips
- Strings
- Consider the length of the average string
### Cheatsheets
#### Algorithms
| Algorithm | Time Complexity |
| ------------- | --------------- |
| Sorting Array | O(nlog(n)) |
#### Data Structures
| Data Structure | | | [[Big O - Time Complexity]] |
| -------------- | --------- | ------------------- | --------------------------- |
| [[Arrays]] | Access... | *by index* | O(1) |
| | Add... | *before first node* | O(N) |
| | | *after given node* | O(N) |
| | | *after last node* | O(1) |
| | Delete... | *the first node* | O(N) |
| | | *a given node* | O(N) |
| | | *the last node* | O(1) |
| | Search... | *a given node* | O(N) |