제출 #598614

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
598614	2022-07-18 15:12:06	Lucpp	장난감 기차 (IOI17_train)	C++17	100 / 100	1150 ms	1660 KiB

train

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#include "train.h"
#include <bits/stdc++.h>
using namespace std;
int n;
vector<int> own;
vector<int> charge;
vector<vector<int>> g;
vector<int> win;
vector<int> deg;
vector<bool> alive;
void go(int u){
  for(int i = 0; i < (int)g[u].size(); i++){
    int v = g[u][i];
    if(win[v] != -1) continue;
    if(own[v] == win[u]){
      win[v] = win[u];
      go(v);
    }
    else{
      swap(g[u][i], g[u].back());
      g[u].pop_back();
      i--;
      if(--deg[v] == 0){
        win[v] = win[u];
        go(v);
      }
    }
  }
 
 
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