摘要:
Yet another round on DecoForces is coming! Grandpa Maks wanted to participate in it but someone has stolen his precious sofa! And how can one perform 阅读全文
摘要:
某国的足球联赛中有N支参赛球队,编号从1至N。联赛采用主客场双循环赛制,参赛球队两两之间在双方主场各赛一场。 联赛战罢,结果已经尘埃落定。此时,联赛主席突发奇想,希望从中找出一条包含所有球队的“食物链”,来说明联赛的精彩程度。“食物链”为一个1至N的排列{ T1,T2⋯ TN },满足:球队T 阅读全文