Looking for Number of cases & Probability Problems & Materials.

Правка en1, от Konijntje, 2019-06-03 12:18:04

Recently, I felt lack of knowledge and techniques for solving various number of cases, probability and expected number.

I did not managed to solve a lot of problems including

(For the first three problems, I did not managed to solve problem in contest. And, I think it lead to unsatisfying results.)

I really want to be good at this kind of problems, and could anyone can give sufficient number of problems, or materials (including book) to improve my skill?

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  Rev. Язык Кто Когда Δ Комментарий
en2 Английский Konijntje 2019-06-03 12:20:43 19 Some typo and grammar fixes
en1 Английский Konijntje 2019-06-03 12:18:04 871 Initial revision (published)