Submission #1066965

#	Time	Username	Problem	Language	Result	Execution time	Memory
1066965		Muhammad_Aneeq	Werewolf (IOI18_werewolf)	C++17	0 / 100	4062 ms	39148 KiB

werewolf

#include <vector>
#include <queue>
#include <iostream>
#include <algorithm>
#include "bits/stdc++.h"
using namespace std;
int const N=2e5+10;
vector<int>nei[N]={};
bool reach[N]={};
int l,r;
void dfs(int u,int form=0)
{
    reach[u]=1;
    for (auto i:nei[u])
    {
        if (reach[i])
            continue;
        if (i>r&&form==1)
            continue;
        if (u<l&&i>r)
            continue;
        if (u>r&&i<l)
            continue;
        if (i<l)
            dfs(i,1);
        else
            dfs(i,form);
    }
}
vector<int> check_validity(int N, vector<int> X, vector<int> Y,vector<int> S, vector<int> E,vector<int> L, vector<int> R)
{
    for (int i=0;i<X.size();i++)
    {
        nei[X[i]].push_back(Y[i]);
        nei[Y[i]].push_back(X[i]);
    }
    vector<int>ans;
    for (int i=0;i<S.size();i++)
    {
        l=L[i],r=R[i];
        dfs(S[i]);
        ans.push_back(reach[E[i]]);
        for (int j=0;j<N;j++)
            reach[j]=0;
    }
    return ans;
}

Compilation message (stderr)

werewolf.cpp: In function 'std::vector<int> check_validity(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
werewolf.cpp:32:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for (int i=0;i<X.size();i++)
      |                  ~^~~~~~~~~
werewolf.cpp:38:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for (int i=0;i<S.size();i++)
      |                  ~^~~~~~~~~

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