Submission #1160028

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1160028	2025-03-01 16:23:55	nhphuc	Factories (JOI14_factories)	C++17	0 / 100	12 ms	18240 KiB

factories

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#include <bits/stdc++.h>
#include "factories.h"
using namespace std;
const int N = 500500;
const long long inf = 1e18;
int sub[N], pos[N];
long long dis[N], mn[N];
pair<int, long long> par[N];
vector<int> modify;
vector<pair<int, int>> adj[N];
void dfs (int u, int p = 0, long long dep = 0){
    sub[u] = 1;
    dis[u] = dep;
    for (auto [v, d] : adj[u]){
        if (v != p && pos[v] == 0){
            dfs(v, u, dep + 1ll * d);
            sub[u] += sub[v];
        }
    }
}
int centroid (int u, int p, int n){
    for (auto [v, d] : adj[u]){
        if (v != p && pos[v] == 0 && sub[v] * 2 > n){
            return centroid(v, u, n);
        }
    }
 
 
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• Subtask 1: 0 / 15
• Subtask 2: 0 / 18
• Subtask 3: 0 / 67