#pragma GCC optimize("Ofast") #pragma GCC target("ssse3") #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define ii pair #define app push_back #define all(a) a.begin(), a.end() #define bp __builtin_popcountll #define ll long long #define mp make_pair #define x first #define y second #define Time (double)clock()/CLOCKS_PER_SEC #define debug(x) std::cerr << #x << ": " << x << '\n'; #define FOR(i, n) for (int i = 0; i < n; ++i) #define pb push_back #define trav(a, x) for (auto& a : x) using vi = vector; template std::ostream& operator <<(std::ostream& output, const pair & data) { output << "(" << data.x << "," << data.y << ")"; return output; } template std::ostream& operator <<(std::ostream& output, const std::vector& data) { for (const T& x : data) output << x << " "; return output; } ll div_up(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up ll div_down(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down ll math_mod(ll a, ll b) { return a - b * div_down(a, b); } #define tcT template using V = vector; tcT> void re(V& x) { trav(a, x) cin >> a; } tcT> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } // set a = min(a,b) tcT> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } ll gcd(ll a, ll b) { while (b) { tie(a, b) = mp(b, a % b); } return a; } const int N = 57; int gauss (vector < bitset > a, int n, int m, bitset & ans) { vector where (m, -1); for (int col=0, row=0; col > a; vi who[10001]; int sum[10001]; signed main() { #ifdef ONLINE_JUDGE #define endl '\n' ios_base::sync_with_stdio(0); cin.tie(0); #endif int n, m; cin >> n >> m; FOR (i, m) { int k; cin >> k; who[i].resize(k); re(who[i]); trav (e, who[i]) e--; cin >> sum[i]; bitset add; trav (e, who[i]) { add[e] = 1; } a.app(add); } vi ans(n); FOR (bit, 30) { FOR (i, m) { a[i][n] = (sum[i] >> bit)&1; } bitset b; gauss(a, a.size(), n, b); FOR (i, n) if (b[i]) ans[i] += 1 << bit; } trav (e, ans) cout << e << endl; }