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53 lines (48 loc) · 1.47 KB
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Copy pathch.cpp
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53 lines (48 loc) · 1.47 KB
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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
template<class T> using uset = unordered_set<T>;
template<class T, class U> using umap = unordered_map<T, U>;
template<class T> using mset = multiset<T>;
template<class T, class U> using mmap = multimap<T, U>;
template<class T> using umset = unordered_multiset<T>;
template<class T, class U> using ummap = unordered_multimap<T, U>;
#define REP(i, n, m) for(ll i=n; i<(ll)m; ++i)
#define IREP(i, n, m) for(ll i=n-1; i>=m; --i)
#define rep(i, n) REP(i, 0, n)
#define irep(i, n) IREP(i, n, 0)
#define all(v) v.begin(), v.end()
#define vprint(v) for(auto e:v){cout<<e<<" ";};cout<<endl;
#define vvprint(vv) for(auto v:vv){vprint(v)};
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
cout << setprecision(20);
ll N, Q;
cin >> N >> Q;
vll x(Q), y(Q), z(Q), w(Q);
rep(i, Q) cin >> x[i] >> y[i] >> z[i] >> w[i];
ll ans = 1;
rep(i, 60){
ll m = 0;
rep(j, 1<<N){
bool ok = true;
rep(k, Q){
ll bx = (j>>(x[k]-1)) & 1;
ll by = (j>>(y[k]-1)) & 1;
ll bz = (j>>(z[k]-1)) & 1;
ll bw = (w[k]>>i) & 1;
if((bx|by|bz)!=bw){
ok = false;
break;
}
}
if(ok) ++m;
}
ans = ans * m % 1000000007;
}
cout << ans << endl;
}