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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
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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
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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