The k-th Largest Group Time Limit: 2000MS   Memory Limit: 131072K Total Submissions: 8807   Accepted: 2875 Description Newman likes playing with cats. He possesses lots of cats in his home. Because the number of cats is really huge, Newman wants to g…

传送门 The k-th Largest Group Time Limit: 2000MS   Memory Limit: 131072K Total Submissions: 8690   Accepted: 2847 Description Newman likes playing with cats. He possesses lots of cats in his home. Because the number of cats is really huge, Newman wants…

The k-th Largest Group Time Limit: 2000MS   Memory Limit: 131072K Total Submissions: 8353   Accepted: 2712 Description Newman likes playing with cats. He possesses lots of cats in his home. Because the number of cats is really huge, Newman wants to g…

Description Newman likes playing with cats. He possesses lots of cats in his home. Because the number of cats is really huge, Newman wants to group some of the cats. To do that, he first offers a number to each of the cat (1, 2, 3, …, n). Then he occ…

Newman likes playing with cats. He possesses lots of cats in his home. Because the number of cats is really huge, Newman wants to group some of the cats. To do that, he first offers a number to each of the cat (1, 2, 3, …, n). Then he occasionally co…

POJ2985 比较简单的平衡树题目 树内不要添加容量为1的节点 否则会超时. #include<iostream> #include<cstdio> #include<cstdlib> #include<cmath> #include<cstring> #include<vector> #include<queue> #include<algorithm> using namespace std; const…

Problem 刚开始,每个数一个块. 有两个操作:0 x y 合并x,y所在的块 1 x 查询第x大的块 Solution 用并查集合并时,把原来的大小删去,加上两个块的大小和. Notice 非旋转Treap一直错... Code 旋转Treap(非旋转Treap总是TLE...) #include<cmath> #include<cstdio> #include<cstring> #include<iostream> #include<algor…

给你一个二分图 问你最大团为多大 解一:状压DP 解二:二分图最大匹配 二分图的最大团=补图的最大独立集 二分图最大独立集=二分图定点个数-最大匹配 //Hungary #include<bits/stdc++.h> using namespace std; #define N 50 int useif[N]; //记录y中节点是否使用 0表示没有访问过,1为访问过 int link[N]; //记录当前与y节点相连的x的节点 int mat[N][N]; //记录连接x和y的边,如果i和j之…

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 直接求 日期 题目地址:https://leetcode-cn.com/problems/count-largest-group/ 题目描述 Given an integer n. Each number from 1 to n is grouped according to the sum of its digits. Return how many…

题面题意:给你N个男生,N个女生,男生与男生之间都是朋友,女生之间也是,再给你m个关系,告诉你哪些男女是朋友,最后问你最多选几个人出来,大家互相是朋友. N最多为20 题解:很显然就像二分图了,男生一边女生一边的,然后一种解法就是 求图的最大独立集,(看起来很巧,实则也不知道为何2333) (最大独立集是一个点集,其中任意两点在图中无对应边,对于一般图来说,最大独立集是一个NP完全问题,对于二分图来说最大独立集=|V|-二分图的最大匹配数) 我们本来连边是,所有的朋友关系连边(男女就行了,同性都…