摘要:
2525: [Poi2011]Dynamite Description The Byteotian Cave is composed of n chambers and n-1 corridors that connect them. For every pair of chambers there 阅读全文
摘要:
2318: Spoj4060 game with probability Problem Description Alice和Bob在玩一个游戏。有n个石子在这里,Alice和Bob轮流投掷硬币,如果正面朝上,则从n个石子中取出一个石子,否则不做任何事。取到最后一颗石子的人胜利。Alice在投掷硬币 阅读全文