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2 years ago
#include <bits/stdc++.h>
using namespace std;
#pragma region 并查集模板
int p[101]; //存储元素的父节点
int Rank[101]; //存储树的高度(秩)
//建立并查集
void Build(int n) {
for (int i = 1; i <= n; ++i) {
p[i] = i; //父结点是元素自身
}
}
//查找根结点//路径压缩
int Find(int x) {
if (p[x] != x)
p[x] = Find(p[x]);
return p[x];
}
//按秩合并集合
void Union(int x, int y) {
x = Find(x);
y = Find(y);
if (Rank[x] < Rank[y]) p[x] = y;
else {
p[y] = x;
if (Rank[y] == Rank[x]) Rank[x]++;
}
}
#pragma endregion 并查集模板
bool comp(const pair<int, int> &a, const pair<int, int> &b) {
return a.second > b.second;
}
int main() {
//输入+输出重定向
freopen("../1413.txt", "r", stdin);
int n, k;
cin >> n >> k;
//建立并查集
Build(n);
//合并集合
for (int i = 1; i <= k; ++i) {
int a, b;
cin >> a >> b;
Union(a, b);
}
//多少个家庭
unordered_map<int, int> _map;
for (int i = 1; i <= n; ++i) {
if (_map.count(p[i]) == 0) _map[p[i]] = 1;
else _map[p[i]]++;
}
cout << _map.size() << " ";
//迭代_map
//最大家庭人数(采用的技巧unordered_map的value排序)
vector<pair<int, int> > b;
for (auto x:_map) {
b.push_back(x);
}
sort(b.begin(), b.end(), comp);
cout << b[0].second << endl;
//关闭文件
fclose(stdin);
return 0;
}