Submission #1117444

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1117444	2024-11-23 15:53:34	vjudge1	Race (IOI11_race)	C++17	100 / 100	630 ms	42232 KiB

race

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#include <bits/stdc++.h>
using namespace std;
#define ll long long int
const int N = 2e5 + 1;
int n, k, max_depth;
int sz[N];
bool vis[N];
vector<pair<int, int>> adj[N];
int res = INT_MAX;
map<int, int> cnt;
int get_subtree_size(int u, int p)
{
    sz[u] = 1;
    for (auto [v, w] : adj[u])
    {
        if (v != p and !vis[v])
            sz[u] += get_subtree_size(v, u);
    }
    return sz[u];
}
int get_centroid(int u, int p, int tree_size)
{
    for (auto [v, w] : adj[u])
    {
        if (v != p and !vis[v] and (sz[v] * 2 > tree_size))
            return get_centroid(v, u, tree_size);
    }
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57