> ## Documentation Index
> Fetch the complete documentation index at: https://docs.hnuicpc.tech/llms.txt
> Use this file to discover all available pages before exploring further.

# Sheet 5: STLs 1

> Problem sheet for Session 5 — STLs 1.

## Problems

| # | Problem                                 | Link                                                                     |
| - | --------------------------------------- | ------------------------------------------------------------------------ |
| A | Regular Bracket Sequence (Easy Version) | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/A) |
| B | Regular Bracket Sequence (Hard Version) | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/B) |
| C | Prepend and Append                      | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/C) |
| D | Case of the Zeros and Ones              | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/D) |
| E | Permutation Minimization by Deque       | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/E) |
| F | Table Tennis                            | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/F) |
| G | Meximization                            | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/G) |
| H | Queue                                   | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/H) |
| I | Kefa and First Steps                    | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/I) |
| J | Bad Prices                              | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/J) |
| K | Game with string                        | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/K) |
| L | Alternating Current                     | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/L) |
| M | Potions (Hard Version)                  | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/M) |
| N | Powering the Hero (hard version)        | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/N) |
| O | Minimal string                          | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/O) |
| P | Catch Overflow!                         | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/672744/problem/P) |

<Card title="Session Tutorial" icon="graduation-cap" href="/level-0/sessions/stls-1" horizontal>
  Learn the concepts needed to solve these problems.
</Card>

<Card title="Sheet Editorial" icon="book-open" href="/level-0/sheet-editorials/sheet-5" horizontal>
  Solutions and explanations for all problems.
</Card>