Exploring Competitive Programming Guide Math 21 Impartial Games 4
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- Problem: https://cses.fi/problemset/task/1726 This one is tricky! Linearity of expectation with indicator variables + adjacency matrix ...
- Problem: https://cses.fi/problemset/task/1725/ First probability problem. Once formulated properly, an easy DP.
- Problem: https://cses.fi/problemset/task/1095/ Covers: Modular arithmetic framework, exponentiation by squaring.
- General, yet also specific advice on why rating shouldn't matter, how you can learn from your mistakes in contests, and how you ...
- Problem: https://cses.fi/problemset/task/1723 Key fact: raising the adjacency matrix of a graph to a power gives the number of ...
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Problem: https://cses.fi/problemset/task/1098 This is also known as "staircase Nim". Here's another explanation (first part): ... Problem: https://cses.fi/problemset/task/1098 The general theory: ... Problem: https://cses.fi/problemset/task/1729 Easy DP once you have the idea. If you understand the example, you should be able ... Problem: https://cses.fi/problemset/task/1730 This is a tricky but important proof. If anyone has a good explanation
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