Submission #1157365

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1157365	2025-02-25 16:16:33	nh0902	Hard route (IZhO17_road)	C++20	0 / 100	1 ms	2632 KiB

road

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 1e5 + 10;
int n, k;
vector<int> g[N];
int pa[N];
long long d_pa[N];
pair<int, long long> md[N][3];
long long ans;
long long cur_d;
int root;
void dfs(int u, int p) {
    pa[u] = p;
    for (int i = 0; i < 3; i ++) md[u][i] = {u, 0};
    for (int v : g[u]) if (v != p) {
        dfs(v, u);
 
 
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• Subtask 1: 0 / 19
• Subtask 2: 0 / 33
• Subtask 3: 0 / 48