「codeforces - 888G」Xor-MST
link。给一种不一样的写法,避开了常数较大的函数式字典树 并获得了更大的其他常数。考虑 Borůvka 的过程:每次找到一个连通块到其他连通块最小的出边并合并连通块,复杂度分析同启发式合并。我...
In mathematics you don't understand things, you just get used to them.
In mathematics you don't understand things, you just get used to them.