oj.uz

Submission #1042999

# Submission time Handle Problem Language Result Execution time Memory
1042999 2024-08-03T17:20:55 Z thatsgonzalez Werewolf (IOI18_werewolf) C++14
0 / 100
 108 ms 52564 KB 
#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;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 480 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 480 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Runtime error 108 ms 52564 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 480 KB Output isn't correct
2 Halted 0 ms 0 KB -