Submission #44260

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
44260	2018-03-31 03:21:11	szawinis	Factories (JOI14_factories)	C++17	100 / 100	5952 ms	460600 KiB

factories

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#include "factories.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll INF = 1e17;
 
int n;
vector<int> sz, nxt;
vector<vector<pair<int,int> > > g;
vector<vector<ll> > d;
vector<bool> block;
vector<ll> mn;
 
void init_dfs(int u, int par, ll curr_dist = 0) {
  d[u].push_back(curr_dist);
  sz[u] = 1;
  for(auto p: g[u]) {
    int v, w; tie(v, w) = p;
    if(block[v] || v == par) continue;
    init_dfs(v, u, curr_dist + w);
    sz[u] += sz[v];
  }
}
 
void calc(int src, int par) {
  int cen = src;
  while(true) {
    bool found = false;
    for(auto p: g[cen]) if(sz[p.first] < sz[cen] && sz[p.first] << 1 >= sz[src]) {
      cen = p.first;
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 18 / 18
• Subtask 3: 67 / 67