摘要：
Description Description We know that Ivan gives Saya three problems to solve (Problem F), and this is the first problem. “We need a programmer to help 阅读全文
摘要：
Description Description Kudo’s real name is not Kudo. Her name is Kudryavka Anatolyevna Strugatskia, and Kudo is only her nickname. Now, she is facing 阅读全文