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地址https://codeforces.com/contest/1139/problem/E原文地址https://www.lucien.ink/archives/410题意$n$ 个点,$m$ 个集合,每个点都有一个权值,且只属于一个集合,每次你可以从每个集合中选定至多一个点,你的目标是使这些选出来的点权值的 $Mex$ 最大。有 $d$ 个询问,每个询问为一个数字 $k$ ,代表在上一...
题目链接http://codeforces.com/gym/101606题目High-rise buildings in the wealthy retail district of Knightsbridge are usually built with exotic hoisting machines known, in construction circles, as cranes.W...