#include "werewolf.h"
#include <bits/stdc++.h>
using namespace std;
const int nmax = 1e5+100;
vector<vector<int>> g;
bitset <nmax> vis;
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;
}
else if(node == endpoint and node>=l and node<=r){
res = true; return;
}
vis[node]++;
for(auto &x: g[node]){
if(vis[x]) continue;
if(x>=l and x<=r and !estado){
dfs(x,endpoint,l,r,estado);
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);
ans[q] = res;
vis.reset();
}
return ans;
}
Compilation message
werewolf.cpp: In function 'void dfs(int, int, int, int, bool)':
werewolf.cpp:26:12: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
26 | vis[node]++;
| ~~~~~~~~~^~
