제출 #259938

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
259938	2020-08-08 20:32:38	medk	통행료 (IOI18_highway)	C++14	51 / 100	253 ms	262148 KiB

highway

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#include <bits/stdc++.h>
#include "highway.h"
 
#define ll long long
#define pb push_back
#define x first
#define y second
#define sz(u) (int)(u.size())
#define all(u) u.begin(),u.end()
 
using namespace std;
 
vector<vector<pair<int,int>>> g;
vector<bool> blocked;
vector<int> sz, toask, edges;
vector<pair<int,int>> cand;
int n,m;
ll initdist,a,b,dist;
int fst,scd;
 
void calc_sz(int u, int par=-1){
  sz[u]=1;
  for(auto p:g[u]){
    if(p.x==par || blocked[p.x]) continue;
    calc_sz(p.x,u);
    sz[u]+=sz[p.x];
  }
}
 
int find_centroid(int u, int par, int comp){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 6 / 6
• Subtask 4: 33 / 33
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