Viewing insights from Codeforces 1648C: Tyler and Strings that are similar (thus shared) with ANY insight of USACO 2023 January Contest, Gold: Lights Off.
- Be careful when multiplying the ways to choose an element (from an array) with a certain value IF previous elements MIGHT have that same value. Consider using a BIT in this case if you can know for sure the number of previous elements with that value. by mathmastersd
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