Submission #1168366

#TimeUsernameProblemLanguageResultExecution timeMemory
1168366SyedSohaib_123Triumphal arch (POI13_luk)C++20
0 / 100
131 ms85048 KiB
#include <bits/stdc++.h>

using namespace std;

#define append push_back
#define int long long

const int N=3e6+10,LG=21;
int mod=1e9+7;

vector<int>g[N];
int h[N],cnt[N],s=0;

void dfs(int node,int par=-1){
    cnt[h[node]]++;
    for(auto i:g[node]){
        if(i==par) continue;
        h[i]=h[node]+1;
        dfs(i,node);
    }
}

void solve(int tst){
    int n;
    cin>>n;
    for(int i=1;i<n;i++){
        int a,b;
        cin>>a>>b;
        g[a].append(b);
        g[b].append(a);
    }
    dfs(1);
    cnt[0]=0;
    int ans=0;
    for(int i=1;i<=n;i++){
        s+=cnt[i];
        ans=max(ans,(s+i-1)/i);
    }
    cout<<ans<<endl;
}

signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t = 1;
    // cin >> t;
    for(int i=1;i<=t;i++){
        solve(i);
        // if(i!=t) cout<<endl;
    }
}
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