Submission #841422

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
841422	2023-09-01 15:39:41	model_code	Beech Tree (IOI23_beechtree)	C++17	100 / 100	773 ms	138444 KiB

beechtree

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// correct/solution-amshz.cpp
#include "beechtree.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
#define F first
#define S second
const int xn = 2e5 + 10;
int n, m, par[xn], a[xn], sz[xn];
pii dsu[xn];
vector<int> adj[xn];
set<pii> st[xn], chil[xn];
bool ans[xn], ns[xn];
map<int, int> mp[xn];
bool is_ok(int v, int u)
{
    for (int x : adj[v])
        if (mp[u][a[x]] < sz[x])
            return false;
    return true;
}
int get_root(int v)
 
 
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