摘要： Tree Maker Problem Description Tree Lover loves trees crazily.One day he invents an interesting game which is named Tree Maker.In this game, all trees 阅读全文

摘要： str2int Problem Description In this problem, you are given several strings that contain only digits from '0' to '9', inclusive.An example is shown bel 阅读全文

摘要： 3926: [Zjoi2015]诸神眷顾的幻想乡 Description 幽香是全幻想乡里最受人欢迎的萌妹子，这天，是幽香的2600岁生日，无数幽香的粉丝到了幽香家门前的太阳花田上来为幽香庆祝生日。 粉丝们非常热情，自发组织表演了一系列节目给幽香看。幽香当然也非常高兴啦。 这时幽香发现了一件非常有趣 阅读全文