# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
700997 | angelo_torres | Factories (JOI14_factories) | C++17 | 685 ms | 524288 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "factories.h"
#define ff first
#define ss second
using namespace std;
typedef long long ll;
const ll N = 5e5 + 10;
const ll M = 2e6 + 20;
const ll inf = 1e17;
int n,t[N],p[N];
ll d[N],q[N];
vector<pair<int,ll>> g[N];
deque<ll> s[N];
void dfs(int v,int f){
t[v] = 1;
for(auto [u,w] : g[v]){
if(u == f) continue;
dfs(u,v);
t[v] += t[u];
}
}
int find(int v,int f,int tm){
for(auto [u,w] : g[v]){
if(u == f) continue;
if(t[u]*2 > tm) return find(u,v,tm);
}
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