Submission #1042996

#	Time	Username	Problem	Language	Result	Execution time	Memory
1042996		thatsgonzalez	Werewolf (IOI18_werewolf)	C++14	Compilation error	0 ms	0 KiB

werewolf

#include <bits/stdc++.h>

using namespace std;

const int nmax = 1e5+100;

vector<vector<int>> g;
bitset <nmax> vis1, vis2;
bool res = false;


void dfs(int node, int endpoint, int l, int r, bool estado){
  
  if(!estado and node<l) {
    return;
  }
  if(estado and node>r) return;
  if(node == endpoint and estado){
    res = true; return;
  }

  if(!estado) vis1[node] = 1;
  else vis2[node] = 1;

  for(auto &x: g[node]){
    if(vis1[x] /*and !estado*/) continue;
    //if(vis2[x] and estado) continue;

    if(x>=l and x<=r and !estado){
      dfs(x,endpoint,l,r,estado);
      vis2.reset();
      dfs(x,endpoint,l,r,!estado);
    }
    else{
      dfs(x,endpoint,l,r,estado);
    }

  }

}

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();
  std::vector<int> ans(Q,0);

  g.resize(N);
  
  for(int i = 0; i<M; i++){

    g[X[i]].push_back(Y[i]);
    g[Y[i]].push_back(X[i]);

  }

  for(int q = 0; q<Q; q++){

    res = false;
    
    dfs(S[q],E[q],L[q],R[q],0);
    
    vis1.reset();

    ans[q] = res;
    //vis2.reset();

  }
  g.clear();

  return ans;
}


int main(){

  vector <int> ans = check_validity(6, {5, 1, 1, 3, 3, 5}, {1, 2, 3, 4, 0, 2},
                                    {4, 4, 5}, {2, 2, 4}, {1, 2, 3}, {2, 2, 4});

  vector <int> ans1 = check_validity(2, {0}, {1},
                                    {0}, {1}, {0}, {0});

  for(auto  &x: ans) cout<<x<<" "; cout<<endl;
  for(auto &x: ans1) cout<<x<<" ";


  return 0;
}

Compilation message (stderr)

werewolf.cpp: In function 'int main()':
werewolf.cpp:84:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   84 |   for(auto  &x: ans) cout<<x<<" "; cout<<endl;
      |   ^~~
werewolf.cpp:84:36: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   84 |   for(auto  &x: ans) cout<<x<<" "; cout<<endl;
      |                                    ^~~~
/usr/bin/ld: /tmp/ccvSctAz.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccgK70nw.o:werewolf.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status