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Today, I’m here to talk about a nice problem from Beecrowd called Daenerys’ Game of Trust . It’s a string and game problem, it has level 10, and at the time I’m writing this blog, only 97 out of 400 people have solved it. [Read More]

C++20/C++23 introduced new tools, and one of them is the ranges library, inspired by the well-known range-v3. This standard library made it possible to work with ranges in a way never seen before. Now you can use functions such as transform, filter, drop, take, join, and many others. All of... [Read More]

There is a problem in CSES known as Functional Graph Distribution that involves graphs and combinatorics. I solved this problem, but it was tough. I didn’t solve it at first sight, but one day I managed to solve it, and this story is about that day. To solve the problem,... [Read More]

I found a problem at Beecrowd called Impossible Followers that made me come up with a new idea: what if I build a Segment Tree with nodes that are data structures that solve the problem of a Convex Hull Trick. Then I could solve this problem, because I built a... [Read More]

After using the Prüfer code in my Scientific Initiation project to find all non-isomorphic trees of a given size, I came up with an idea to improve this algorithm, since it was slow and I could not generate the trees-or even count them for larger values of n. Therefore, I... [Read More]