#include<cstdio>#include<cstring>#include<algorithm>#include<iostream>#include<vector>#include<queue>#include<stack>#include<cmath>using namespace std;//union findfather 通过根节点得到组数const int m
题目描述 When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A social cluster is a set of people who have some o
You are given a binary matrix A of size n×n. Let’s denote an x-compression of the given matrix as a matrix B of size nx×nx such that for every i∈[1,n],j∈[1,n] the condition A[i][j]=B[⌈ix⌉][⌈jx⌉] is me
1107. Social Clusters (30) When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A “social cluster” is a set o