Submission #1160036

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1160036	2025-03-01 16:36:58	nhphuc	Factories (JOI14_factories)	C++17	100 / 100	2851 ms	339144 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];
vector<int> modify;
vector<pair<int, long long>> par[N];
vector<pair<int, int>> adj[N];
void dfs (int u, int p = 0){
    sub[u] = 1;
    for (auto [v, d] : adj[u]){
        if (v != p && pos[v] == 0){
            dfs(v, u);
            sub[u] += sub[v];
        }
    }
}
void dfs2 (int u, int p, int root, long long dep){
    par[u].push_back({root, dep});
    for (auto [v, d] : adj[u]){
        if (v != p && pos[v] == 0){
            dfs2(v, u, root, dep + 1ll * d);
        }
    }
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 18 / 18
• Subtask 3: 67 / 67