105 lines
2.5 KiB
Markdown
105 lines
2.5 KiB
Markdown
# TODO list
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List of unsolved problems that I should try again later. Putting everything here to clean
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my tabs
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## Codeforces
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Problem from codeforces.
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### Divs
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Official divs from codeforces
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- Educational
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1. [F. Frogs and Mosquitoes](https://codeforces.com/contest/609/problem/F)
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I have no clue where to even start.
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2. [E. Water Taps](https://codeforces.com/contest/954/problem/E)
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I have an idea, but it's really annoying to solve it.
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3. [F. Fibonacci String Subsequences](https://codeforces.com/contest/946/problem/F)
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Obviously DP, but not sure how to do it...
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4. [F. Imbalance Value of Tree](https://codeforces.com/contest/915/problem/F)
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Tree problem, looks interesting.
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5. [F. Clear The Matrix](https://codeforces.com/contest/903/problem/F)
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DP with optimization?
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- Div 1/2
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1. [D. Division Versus Addition](https://codeforces.com/contest/2152/problem/D)
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The idea is simple, but I have to think through it better.
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2. [D2. Inversion Graph Coloring](https://codeforces.com/contest/2143/problem/D2)
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DP with optimization.
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3. [E. Yet Another MEX Problem](https://codeforces.com/contest/2146/problem/E)
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Maybe MEX with two pointers?
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4. [D. A Cruel Segment's Thesis](https://codeforces.com/contest/2140/problem/D)
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Looks greedy.
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5. [F. Flint and Steel](https://codeforces.com/contest/2133/problem/F)
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I tried this a long time ago, don't remember what it's about, just remembered
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that I tried a greedy solution and it didn't work.
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- Div 3
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1. [G. Cry Me a River](https://codeforces.com/contest/2137/problem/G)
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Graph problem, don't remember the details.
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- Div 4
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1. [F. Gravity Falls](https://codeforces.com/contest/2148/problem/F)
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I barely read it, not sure were I found it either, but looks pretty easy.
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### GYM
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Gym from simulations or contests that I did
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- ICPC Brazil first phase
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1. [D. Dominoes](https://codeforces.com/gym/106073/problem/D)
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If I did this one, I would have passed into second phase, must try to solve it
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ASAP.
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- ICPC Northwestern European Regional
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[Link](https://codeforces.com/gym/104875) because it has no problem page in gym.
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1. L. Last Guess
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I think I can solve it with flow.
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- USP Try-outs
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1. [B. Tuk-Tuk Express](https://codeforces.com/gym/103934/problem/B)
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I have NO clue why my code keeps getting WA, awful implementation problem.
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2. [J. Apep, the Lord of Chaos](https://codeforces.com/gym/103934/problem/J)
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I don't remember what the problem was about, I just know that I tried it before.
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## Atcoder
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1. [F. Operate K](https://atcoder.jp/contests/abc386/tasks/abc386_f)
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DP with optimization.
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