摘要： https://vjudge.net/problem/2065317/origin Vova has won nn trophies in different competitions. Each trophy is either golden or silver. The trophies are 阅读全文

摘要： https://vjudge.net/problem/2135718/origin You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of t 阅读全文