Submission #1176448

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1176448	2025-03-31 04:17:23	DangKhoizzzz	Cat in a tree (BOI17_catinatree)	C++20	0 / 100	3 ms	7488 KiB

catinatree

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#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int maxn = 3e5 + 7;
int n, D, dep[maxn], jump[maxn][23];
vector <int> g[maxn];
vector <int> chosen;
int leaf = 1;
void dfs(int u, int p)
{
    if(g[u].size() == 1) leaf = u;
    for(int v: g[u])
    {
        if(v == p) continue;
        dep[v] = dep[u] + 1;
        jump[v][0] = u;
        dfs(v, u);
    }
}
void build()
{
    dep[0] = -1;
    dfs(1, 1);
    for(int j = 1; j <= 19; j++)
 
 
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• Subtask 1: 0 / 11
• Subtask 2: 0 / 40
• Subtask 3: 0 / 49