제출 #475689

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
475689	2021-09-23 16:42:29	AdamGS	경주 (Race) (IOI11_race)	C++14	100 / 100	539 ms	36460 KiB

race

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#include "race.h"
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=2e5+7, MAXK=1e6+7;
vector<pair<int,int>>V[LIM];
int usuniete[LIM], ile[LIM], rozmiar, ans, n, k, nr;
pair<int,int>T[MAXK];
queue<int>q;
void DFS(int x, int o) {
  q.push(x);
  ++rozmiar;
  ile[x]=1;
  for(auto i : V[x]) if(i.st!=o && !usuniete[i.st]) {
    DFS(i.st, x);
    ile[x]+=ile[i.st];
  }
}
int znajdz(int x) {
  rozmiar=0;
  DFS(x, x);
  int ma=LIM, cent=-1;
  while(!q.empty()) {
    int p=q.front(), akt=rozmiar-ile[p]; q.pop();
    for(auto i : V[p]) if(!usuniete[i.st]) {
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57