#include <bits/stdc++.h>
using namespace std;
ifstream fin("date.in");
ofstream fout("date.out");
#define cin fin
#define cout fout
#define N 300005
vector<int>adj[N];
int dist[N],frecv[N],maxim=1;
void bfs(int i)
{
queue<int>Q;
Q.push(i);
while(!Q.empty())
{
const int s=Q.front();
Q.pop();
for(const auto v:adj[s])
{
if(dist[v]==0)
{
dist[v]=dist[s]+1;
frecv[dist[v]]++;
maxim=max(maxim,frecv[dist[v]]);
Q.push(v);
}
}
}
}
int main()
{
int n;
cin>>n;
int x,y;
for(int i=1;i<n;i++)
{
cin>>x>>y;
adj[x].push_back(y);
adj[y].push_back(x);
}
dist[1]=1;
bfs(1);
cout<<maxim;
return 0;
}
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