Submission #1025575

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1025575	2024-07-17 07:34:28	Gray	Beech Tree (IOI23_beechtree)	C++17	9 / 100	2056 ms	33472 KiB

beechtree

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#include "beechtree.h"
#include <algorithm>
#define ll long long
#define ff first
#define ss second
#define ln "\n"
#define pll pair<ll, ll>
using namespace std;
vector<vector<ll>> A;
vector<int> col;
ll n, m;
void dfs(ll u, ll p, vector<ll> &child){
    child.push_back(u);
    for (auto v:A[u]){
        if (v==p) continue;
        dfs(v, u, child);
    }
}
std::vector<int> beechtree(int N, int M, std::vector<int> P, std::vector<int> C)
{
    n=N; m=M;
    A.resize(n);
    col=C;
    for (ll i=1; i<n; i++){
        A[P[i]].push_back(i);
    }
    vector<int> ans(n);
 
 
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