Submission #1155093

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1155093	2025-02-21 21:24:19	ace5	Newspapers (CEOI21_newspapers)	C++20	54 / 100	38 ms	4680 KiB

newspapers

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#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> g;
bool cyc = 0;
vector<int> vis;
void dfs1(int v,int p)
{
    vis[v] = 1;
    for(auto u:g[v])
    {
        if(!vis[u])
            dfs1(u,v);
        else if(u != p)
            cyc = 1;
    }
    return ;
}
pair<int,int> dfs2(int v,int p)
{
    pair<int,int> ans  ={v,0};
    for(auto u:g[v])
    {
        if(u != p)
        {
            pair<int,int> ne = dfs2(u,v);
            if(ne.second + 1 > ans.second)
 
 
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• Subtask 1: 6 / 12
• Subtask 2: 8 / 8
• Subtask 3: 40 / 80