#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using lint = long long; using pint = pair; using plint = pair; struct fast_ios { fast_ios(){ cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_; #define ALL(x) (x).begin(), (x).end() #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i=i##_begin_;i--) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) template void ndarray(vector& vec, const V& val, int len) { vec.assign(len, val); } template void ndarray(vector& vec, const V& val, int len, Args... args) { vec.resize(len), for_each(begin(vec), end(vec), [&](T& v) { ndarray(v, val, args...); }); } template bool chmax(T &m, const T q) { return m < q ? (m = q, true) : false; } template bool chmin(T &m, const T q) { return m > q ? (m = q, true) : false; } const std::vector> grid_dxs{{1, 0}, {-1, 0}, {0, 1}, {0, -1}}; int floor_lg(long long x) { return x <= 0 ? -1 : 63 - __builtin_clzll(x); } template T1 floor_div(T1 num, T2 den) { return (num > 0 ? num / den : -((-num + den - 1) / den)); } template std::pair operator+(const std::pair &l, const std::pair &r) { return std::make_pair(l.first + r.first, l.second + r.second); } template std::pair operator-(const std::pair &l, const std::pair &r) { return std::make_pair(l.first - r.first, l.second - r.second); } template std::vector sort_unique(std::vector vec) { sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; } template int arglb(const std::vector &v, const T &x) { return std::distance(v.begin(), std::lower_bound(v.begin(), v.end(), x)); } template int argub(const std::vector &v, const T &x) { return std::distance(v.begin(), std::upper_bound(v.begin(), v.end(), x)); } template IStream &operator>>(IStream &is, std::vector &vec) { for (auto &v : vec) is >> v; return is; } template OStream &operator<<(OStream &os, const std::vector &vec); template OStream &operator<<(OStream &os, const std::array &arr); template OStream &operator<<(OStream &os, const std::unordered_set &vec); template OStream &operator<<(OStream &os, const pair &pa); template OStream &operator<<(OStream &os, const std::deque &vec); template OStream &operator<<(OStream &os, const std::set &vec); template OStream &operator<<(OStream &os, const std::multiset &vec); template OStream &operator<<(OStream &os, const std::unordered_multiset &vec); template OStream &operator<<(OStream &os, const std::pair &pa); template OStream &operator<<(OStream &os, const std::map &mp); template OStream &operator<<(OStream &os, const std::unordered_map &mp); template OStream &operator<<(OStream &os, const std::tuple &tpl); template OStream &operator<<(OStream &os, const std::vector &vec) { os << '['; for (auto v : vec) os << v << ','; os << ']'; return os; } template OStream &operator<<(OStream &os, const std::array &arr) { os << '['; for (auto v : arr) os << v << ','; os << ']'; return os; } template std::istream &operator>>(std::istream &is, std::tuple &tpl) { std::apply([&is](auto &&... args) { ((is >> args), ...);}, tpl); return is; } template OStream &operator<<(OStream &os, const std::tuple &tpl) { os << '('; std::apply([&os](auto &&... args) { ((os << args << ','), ...);}, tpl); return os << ')'; } template OStream &operator<<(OStream &os, const std::unordered_set &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::deque &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; } template OStream &operator<<(OStream &os, const std::set &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::multiset &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::unordered_multiset &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::pair &pa) { return os << '(' << pa.first << ',' << pa.second << ')'; } template OStream &operator<<(OStream &os, const std::map &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::unordered_map &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; } #ifdef HITONANODE_LOCAL const string COLOR_RESET = "\033[0m", BRIGHT_GREEN = "\033[1;32m", BRIGHT_RED = "\033[1;31m", BRIGHT_CYAN = "\033[1;36m", NORMAL_CROSSED = "\033[0;9;37m", RED_BACKGROUND = "\033[1;41m", NORMAL_FAINT = "\033[0;2m"; #define dbg(x) std::cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << std::endl #define dbgif(cond, x) ((cond) ? std::cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << std::endl : std::cerr) #else #define dbg(x) ((void)0) #define dbgif(cond, x) ((void)0) #endif #include // Nimber (64 bit) // Reference: // - https://judge.yosupo.jp/submission/4542 (Original implementation idea) // - https://en.wikipedia.org/wiki/Nimber // - https://kyopro-friends.hatenablog.com/entry/2020/04/07/195850 struct Nimber { using ull = unsigned long long; ull v; const static std::array, 256> small_table; const static std::array, 8>, 8> precalc; explicit operator bool() const { return v != 0; } Nimber(ull val = 0) : v(val) {} Nimber operator+(const Nimber &x) const { return Nimber(v ^ x.v); } Nimber operator-(const Nimber &x) const { return Nimber(v ^ x.v); } Nimber operator-() const { return *this; } Nimber &operator+=(const Nimber &x) { return *this = *this + x; } Nimber &operator-=(const Nimber &x) { return *this = *this + x; } template friend IStream &operator>>(IStream &is, Nimber &x) { ull v; return is >> v, x = Nimber(v), is; } template friend OStream &operator<<(OStream &os, const Nimber &x) { return os << x.v; } bool operator==(const Nimber &x) const { return v == x.v; } bool operator!=(const Nimber &x) const { return v != x.v; } bool operator<(const Nimber &x) const { return v < x.v; } static ull _rec(ull x, ull y) { if (x == 0 or y == 0) return 0; if (x < y) x ^= y, y ^= x, x ^= y; // Make x >= y if (y == 1) return x; for (int shift = 64 / 2;; shift >>= 1) { ull mask = (1ULL << shift) - 1; if (y >> shift) { ull v00 = _rec(x & mask, y & mask); ull v01 = _rec(x & mask, y >> shift); ull v10 = _rec(x >> shift, y & mask); ull v11 = _rec(x >> shift, y >> shift); return v00 ^ ((v01 ^ v10 ^ v11) << shift) ^ _rec(v11, 1ULL << (shift - 1)); } else if (x >> shift) { return (_rec(x >> shift, y) << shift) ^ _rec(x & mask, y); } } } Nimber operator*(const Nimber &x) const { ull ret = 0; for (int d = 0; d < 8; ++d) { for (int e = 0; e < 8; ++e) { ret ^= precalc[d][e][small_table[(v >> (d * 8)) & 255][(x.v >> (e * 8)) & 255]]; } } return Nimber(ret); } Nimber &operator*=(const Nimber &x) { return *this = *this * x; } }; const std::array, 256> Nimber::small_table = []() { std::array, 256> ret; for (int i = 0; i < 256; ++i) { for (int j = 0; j < 256; ++j) ret[i][j] = _rec(i, j); } return ret; }(); const std::array, 8>, 8> Nimber::precalc = []() { std::array, 8>, 8> ret; for (int d = 0; d < 8; ++d) { for (int e = 0; e < 8; ++e) { ull p = _rec(1ULL << (8 * d), 1ULL << (8 * e)); for (int i = 0; i < 256; ++i) ret[d][e][i] = _rec(p, i); } } return ret; }(); // UnionFind Tree (0-indexed), based on size of each disjoint set struct UnionFind { std::vector par, cou; UnionFind(int N = 0) : par(N), cou(N, 1) { iota(par.begin(), par.end(), 0); } int find(int x) { return (par[x] == x) ? x : (par[x] = find(par[x])); } bool unite(int x, int y) { x = find(x), y = find(y); if (x == y) return false; if (cou[x] < cou[y]) std::swap(x, y); par[y] = x, cou[x] += cou[y]; return true; } int count(int x) { return cou[find(x)]; } bool same(int x, int y) { return find(x) == find(y); } std::vector> groups() { std::vector> ret(par.size()); for (int i = 0; i < int(par.size()); ++i) ret[find(i)].push_back(i); ret.erase(std::remove_if(ret.begin(), ret.end(), [&](const std::vector &v) { return v.empty(); }), ret.end()); return ret; } }; #include #include #include // Weighted UnionFind template struct WeightedUnionFind { std::vector par, sz; std::vector pot; WeightedUnionFind(int N = 0) : par(N), sz(N, 1), pot(N) { std::iota(par.begin(), par.end(), 0); } int find(int x) { if (par[x] != x) { int r = find(par[x]); pot[x] = pot[x] + pot[par[x]], par[x] = r; } return par[x]; } bool unite(int s, int t, S rel_diff) { // Relate s and t by f[t] = f[s] + rel_diff // Return false iff contradiction happens. rel_diff = rel_diff + weight(s) + (-weight(t)); if ((s = find(s)) == (t = find(t))) return rel_diff == 0; if (sz[s] < sz[t]) std::swap(s, t), rel_diff = -rel_diff; par[t] = s, sz[s] += sz[t], pot[t] = rel_diff; return true; } S weight(int x) { return find(x), pot[x]; } S diff(int s, int t) { return weight(t) + (-weight(s)); } // return f[t] - f[s] int count(int x) { return sz[find(x)]; } bool same(int s, int t) { return find(s) == find(t); } }; constexpr int D = 30; struct S { // lint dist_sum = 0; int sz = 1; std::vector dv0cnt; S() : dv0cnt(D) {} int dist_sum() const { __int128 ret = 0; REP(d, D) { lint n1 = dv0cnt.at(d), n0 = sz - dv0cnt.at(d); ret += __int128(n1 * n0) << d; } // dbg(make_tuple(sz, dv0cnt, ret)); return ret % 998244353; } }; int main() { int N; lint X; int Q; cin >> N >> X >> Q; WeightedUnionFind wuf(N); UnionFind uf(N); vector components(N); // REP(i, N) components.at(i).vs.push_back(i); while (Q--) { int tp; cin >> tp; if (tp == 1) { int v; lint w; cin >> v >> w; wuf.unite(X, v, w); int s = uf.find(X), t = uf.find(v); uf.unite(s, t); if (uf.find(s) != s) swap(s, t); assert(uf.find(s) == s); w ^= wuf.diff(X, s).v ^ wuf.diff(t, v).v; REP(d, D) { if (((w >> d) & 1) == 0) components.at(s).dv0cnt.at(d) += components.at(t).dv0cnt.at(d); else components.at(s).dv0cnt.at(d) += components.at(t).sz - components.at(t).dv0cnt.at(d); } components.at(s).sz += components.at(t).sz; components.at(t) = S(); } else if (tp == 2) { int u, v; cin >> u >> v; if (uf.same(u, v)) { auto d = wuf.diff(u, v); cout << d << '\n'; X = (d.v + X) % N; } else { cout << -1 << '\n'; } } else if (tp == 3) { int v; cin >> v; v = uf.find(v); cout << components.at(v).dist_sum() << '\n'; } else if (tp == 4) { int value; cin >> value; X = (X + value) % N; } } }