Submission #1012808

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012808		Malix	Werewolf (IOI18_werewolf)	C++14	0 / 100	4021 ms	42240 KiB

werewolf

#include "werewolf.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> tii;

#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define LSOne(s) ((s)&(-s))

ll INF=1e18+10;
int inf=1e9+10;
ll M=1e9+7;

vii a;vi vis;

int bfs(int x,int y,int l,int r,bool k){
  if(vis[x])return 0;
  vis[x]=1;
  if(x==y)return 1;
  if(k&&x<l)return 0;
  if(x>r)k=1;
  bool flag=0;
  for(auto u:a[x])flag|=bfs(u,y,l,r,k);
  return flag;
}

std::vector<int> check_validity(int N, std::vector<int> X, std::vector<int> Y,
                                std::vector<int> S, std::vector<int> E,
                                std::vector<int> L, std::vector<int> R) {
  int Q = S.size();
  int m=X.size();
  a.resize(N);
  REP(i,0,m){
    a[X[i]].PB(Y[i]);
    a[Y[i]].PB(X[i]);
  }
  vi ans(Q);
  REP(i,0,Q){
    vis.clear();
    vis.resize(N);
    ans[i]=bfs(S[i],E[i],L[i],R[i],0);
  }
  return ans;
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 8
• Subtask 3: 0 / 34
• Subtask 4: 0 / 51