WebMay 26, 2024 · 题意：有nnn个点mmm条边，qqq次询问连接区间[L,R][L,R][L,R]中的边后的连通块个数。强制在线。n,m,q≤2×105n,m,q\leq 2\times10^5n,m,q≤2×105显然连通块个数=n−任意一个生成森林的边数连通块个数=n-任意一个生成森林的边数连通块个数=n−任意一个生成森林的边数先遍历一遍所有边，用LCT维护标号的最大生成树 ... WebCode Chef
bzoj3514 Codechef MARCH14 GERALD07加强版 - zbtrs - 博客园
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WebJan 28, 2024 · Bzoj3514: Codechef MARCH14 GERALD07加强版 题面传送门Sol首先每次加入边的两个点不联通，那么联通块的个数就要减1" role="presentation">111 那么考虑怎么做 莫名想到LCT" role="presentation">LCTLCTLCT 然后就不会了。 WebDec 8, 2024 · 【BZOJ3514】Codechef MARCH14 GERALD07加强版 Description N个点M条边的无向图，询问保留图中编号在[l,r]的边的时候图中的联通块个数。 Input 第一行四个整数N、M、K、type，代表点数、边数、询问数以及询问是否加密。 WebNov 4, 2024 · #include #include #include #include #include #define maxn 400005 #define maxm 200005 #define maxk 4000005 states ranked by total tax burden 2022