Submission #1170009

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1170009	2025-03-19 11:00:57	antonn	Magic Tree (CEOI19_magictree)	C++20	0 / 100	28 ms	8132 KiB

magictree

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#include <bits/stdc++.h> 
#define F first
#define S second
 
using namespace std;
using ll = long long;
using pi = pair<int, int>;
using vi = vector<int>;
 
template<class T> bool ckmin(T& a, T b) { return b < a ? a = b, true : false; }
template<class T> bool ckmax(T& a, T b) { return a < b ? a = b, true : false; }
const int N = 1e5 + 7;
int v[N], d[N], w[N], val[N], weight[N], who[N], par[N];
ll dp[N];
vector<int> g[N], ord;
void dfs(int u) {
    for (auto v : g[u]) {
        par[v] = u;
        dfs(v);
    }
    ord.push_back(u);
}
int getfirst(int u) {
    int x = u;
    while (x != 0) {
 
 
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