摘要：
Eugene likes working with arrays. And today he needs your help in solving one challenging task. An array cc is a subarray of an array bb if cc can be 阅读全文
摘要：
Once again, Boris needs the help of Anton in creating a task. This time Anton needs to solve the following problem: There are two arrays of integers a 阅读全文
摘要：
Young boy Artem tries to paint a picture, and he asks his mother Medina to help him. Medina is very busy, that's why she asked for your help. Artem wa 阅读全文