Submission #749956

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
749956	2023-05-29 02:18:49	bgnbvnbv	Putovanje (COCI20_putovanje)	C++14	110 / 110	166 ms	34548 KiB

putovanje

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#include<bits/stdc++.h>
#define TASKNAME "codeforce"
#define pb push_back
#define pli pair<int,int>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=3e5;
const ll inf=1e18;
const ll mod=1e9+7;
ll P[maxN][20],h[maxN];
vector<pli>g[maxN];
ll n,id[maxN];
void dfs(ll u=1,ll p=1)
{
    P[u][0]=p;
    for(int i=1;i<=18;i++) P[u][i]=P[P[u][i-1]][i-1];
    for(auto vv:g[u])
    {
        ll v=vv.fi;
        ll e=vv.se;
        if(v!=p)
        {
            h[v]=h[u]+1;
            dfs(v,u);
            id[e]=v;
        }
    }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 65 / 65