> ## 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 6: STLs 2

> Problem sheet for Session 6 — STLs 2.

## Problems

| # | Problem                    | Link                                                                     |
| - | -------------------------- | ------------------------------------------------------------------------ |
| A | Powering the Hero          | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/A) |
| B | You Are So Beautiful       | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/B) |
| C | Registration System        | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/C) |
| D | Andryusha and Socks        | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/D) |
| E | Unique Elements            | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/E) |
| F | Anton and Letters          | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/F) |
| G | Restoring Password         | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/G) |
| H | Balanced Tunnel            | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/H) |
| I | Train and Queries          | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/I) |
| J | Pangram                    | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/J) |
| K | Lecture                    | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/K) |
| L | Laptops                    | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/L) |
| M | Same Differences           | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/M) |
| N | Enemy is weak              | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/N) |
| O | Chat Order                 | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/O) |
| P | Misha and Changing Handles | [Link](https://codeforces.com/group/OL5YI9AjCF/contest/674693/problem/P) |

<Card title="Session Tutorial" icon="graduation-cap" href="/level-0/sessions/stls-2" horizontal>
  Learn the concepts needed to solve these problems.
</Card>

<Card title="Sheet Editorial" icon="book-open" href="/level-0/sheet-editorials/sheet-6" horizontal>
  Solutions and explanations for all problems.
</Card>