/** * date : 2021-01-22 23:08:19 */ #define NDEBUG using namespace std; // intrinstic #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 #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 #include // utility namespace Nyaan { using ll = long long; using i64 = long long; using u64 = unsigned long long; using i128 = __int128_t; using u128 = __uint128_t; template using V = vector; template using VV = vector>; using vi = vector; using vl = vector; using vd = V; using vs = V; using vvi = vector>; using vvl = vector>; template struct P : pair { template P(Args... args) : pair(args...) {} using pair::first; using pair::second; T &x() { return first; } const T &x() const { return first; } U &y() { return second; } const U &y() const { return second; } P &operator+=(const P &r) { first += r.first; second += r.second; return *this; } P &operator-=(const P &r) { first -= r.first; second -= r.second; return *this; } P &operator*=(const P &r) { first *= r.first; second *= r.second; return *this; } P operator+(const P &r) const { return P(*this) += r; } P operator-(const P &r) const { return P(*this) -= r; } P operator*(const P &r) const { return P(*this) *= r; } }; using pl = P; using pi = P; using vp = V; constexpr int inf = 1001001001; constexpr long long infLL = 4004004004004004004LL; template int sz(const T &t) { return t.size(); } template void mem(T (&a)[N], int c) { memset(a, c, sizeof(T) * N); } template inline bool amin(T &x, U y) { return (y < x) ? (x = y, true) : false; } template inline bool amax(T &x, U y) { return (x < y) ? (x = y, true) : false; } template int lb(const vector &v, const T &a) { return lower_bound(begin(v), end(v), a) - begin(v); } template int ub(const vector &v, const T &a) { return upper_bound(begin(v), end(v), a) - begin(v); } constexpr long long TEN(int n) { long long ret = 1, x = 10; for (; n; x *= x, n >>= 1) ret *= (n & 1 ? x : 1); return ret; } template pair mkp(const T &t, const U &u) { return make_pair(t, u); } template vector mkrui(const vector &v, bool rev = false) { vector ret(v.size() + 1); if (rev) { for (int i = int(v.size()) - 1; i >= 0; i--) ret[i] = v[i] + ret[i + 1]; } else { for (int i = 0; i < int(v.size()); i++) ret[i + 1] = ret[i] + v[i]; } return ret; }; template vector mkuni(const vector &v) { vector ret(v); sort(ret.begin(), ret.end()); ret.erase(unique(ret.begin(), ret.end()), ret.end()); return ret; } template vector mkord(int N, F f) { vector ord(N); iota(begin(ord), end(ord), 0); sort(begin(ord), end(ord), f); return ord; } template vector reord(const vector &v, const vector &ord) { int N = v.size(); vector ret(N); for (int i = 0; i < N; i++) ret[i] = v[ord[i]]; return ret; }; template vector mkiota(int N) { vector ret(N); iota(begin(ret), end(ret), 0); return ret; } template vector mkinv(vector &v, int max_val = -1) { if (max_val < (int)v.size()) max_val = v.size() - 1; vector inv(max_val + 1, -1); for (int i = 0; i < (int)v.size(); i++) inv[v[i]] = i; return inv; } } // namespace Nyaan // bit operation namespace Nyaan { __attribute__((target("popcnt"))) inline int popcnt(const u64 &a) { return _mm_popcnt_u64(a); } __attribute__((target("bmi"))) inline int lsb(const u64 &a) { return _tzcnt_u64(a); } __attribute__((target("bmi"))) inline int ctz(const u64 &a) { return _tzcnt_u64(a); } __attribute__((target("lzcnt"))) inline int msb(const u64 &a) { return 63 - _lzcnt_u64(a); } __attribute__((target("lzcnt"))) inline int clz64(const u64 &a) { return _lzcnt_u64(a); } template inline int gbit(const T &a, int i) { return (a >> i) & 1; } template inline void sbit(T &a, int i, bool b) { a ^= (gbit(a, i) == b ? 0 : (T(b) << i)); } constexpr long long PW(int n) { return 1LL << n; } constexpr long long MSK(int n) { return (1LL << n) - 1; } } // namespace Nyaan // inout namespace Nyaan { template ostream &operator<<(ostream &os, const pair &p) { os << p.first << " " << p.second; return os; } template istream &operator>>(istream &is, pair &p) { is >> p.first >> p.second; return is; } template ostream &operator<<(ostream &os, const vector &v) { int s = (int)v.size(); for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i]; return os; } template istream &operator>>(istream &is, vector &v) { for (auto &x : v) is >> x; return is; } void in() {} template void in(T &t, U &... u) { cin >> t; in(u...); } void out() { cout << "\n"; } template void out(const T &t, const U &... u) { cout << t; if (sizeof...(u)) cout << sep; out(u...); } void outr() {} template void outr(const T &t, const U &... u) { cout << t; outr(u...); } struct IoSetupNya { IoSetupNya() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); cerr << fixed << setprecision(7); } } iosetupnya; } // namespace Nyaan // debug namespace DebugImpl { template struct is_specialize : false_type {}; template struct is_specialize< U, typename conditional::type> : true_type {}; template struct is_specialize< U, typename conditional::type> : true_type {}; template struct is_specialize::value, void>> : true_type { }; void dump(const char& t) { cerr << t; } void dump(const string& t) { cerr << t; } template ::value, nullptr_t> = nullptr> void dump(const U& t) { cerr << t; } template void dump(const T& t, enable_if_t::value>* = nullptr) { string res; if (t == Nyaan::inf) res = "inf"; if (is_signed::value) if (t == -Nyaan::inf) res = "-inf"; if (sizeof(T) == 8) { if (t == Nyaan::infLL) res = "inf"; if (is_signed::value) if (t == -Nyaan::infLL) res = "-inf"; } if (res.empty()) res = to_string(t); cerr << res; } template void dump(const pair&); template void dump(const pair&); template void dump(const T& t, enable_if_t::value>* = nullptr) { cerr << "[ "; for (auto it = t.begin(); it != t.end();) { dump(*it); cerr << (++it == t.end() ? "" : ", "); } cerr << " ]"; } template void dump(const pair& t) { cerr << "( "; dump(t.first); cerr << ", "; dump(t.second); cerr << " )"; } template void dump(const pair& t) { cerr << "[ "; for (int i = 0; i < t.second; i++) { dump(t.first[i]); cerr << (i == t.second - 1 ? "" : ", "); } cerr << " ]"; } void trace() { cerr << endl; } template void trace(Head&& head, Tail&&... tail) { cerr << " "; dump(head); if (sizeof...(tail) != 0) cerr << ","; trace(forward(tail)...); } } // namespace DebugImpl #ifdef NyaanDebug #define trc(...) \ do { \ cerr << "## " << #__VA_ARGS__ << " = "; \ DebugImpl::trace(__VA_ARGS__); \ } while (0) #else #define trc(...) #endif // macro #define each(x, v) for (auto&& x : v) #define each2(x, y, v) for (auto&& [x, y] : v) #define all(v) (v).begin(), (v).end() #define rep(i, N) for (long long i = 0; i < (long long)(N); i++) #define repr(i, N) for (long long i = (long long)(N)-1; i >= 0; i--) #define rep1(i, N) for (long long i = 1; i <= (long long)(N); i++) #define repr1(i, N) for (long long i = (N); (long long)(i) > 0; i--) #define reg(i, a, b) for (long long i = (a); i < (b); i++) #define regr(i, a, b) for (long long i = (b)-1; i >= (a); i--) #define repc(i, a, cond) for (long long i = (a); (cond); i++) #define enm(i, val, vec) \ for (long long i = 0; i < (long long)(vec).size(); i++) \ if (auto& val = vec[i]; false) \ ; \ else #define ini(...) \ int __VA_ARGS__; \ in(__VA_ARGS__) #define inl(...) \ long long __VA_ARGS__; \ in(__VA_ARGS__) #define ins(...) \ string __VA_ARGS__; \ in(__VA_ARGS__) #define inc(...) \ char __VA_ARGS__; \ in(__VA_ARGS__) #define in2(s, t) \ for (int i = 0; i < (int)s.size(); i++) { \ in(s[i], t[i]); \ } #define in3(s, t, u) \ for (int i = 0; i < (int)s.size(); i++) { \ in(s[i], t[i], u[i]); \ } #define in4(s, t, u, v) \ for (int i = 0; i < (int)s.size(); i++) { \ in(s[i], t[i], u[i], v[i]); \ } #define die(...) \ do { \ Nyaan::out(__VA_ARGS__); \ return; \ } while (0) namespace Nyaan { void solve(); } int main() { Nyaan::solve(); } // using namespace Nyaan; long long my_gcd(long long x, long long y) { long long z; if (x > y) swap(x, y); while (x) { x = y % (z = x); y = z; } return y; } long long my_lcm(long long x, long long y) { return 1LL * x / my_gcd(x, y) * y; } #define gcd my_gcd #define lcm my_lcm // totient function φ(N)=(1 ~ N , gcd(i,N) = 1) // {0, 1, 1, 2, 4, 2, 6, 4, ... } vector EulersTotientFunction(int N) { vector ret(N + 1, 0); for (int i = 0; i <= N; i++) ret[i] = i; for (int i = 2; i <= N; i++) { if (ret[i] == i) for (int j = i; j <= N; j += i) ret[j] = ret[j] / i * (i - 1); } return ret; } // Divisor ex) 12 -> {1, 2, 3, 4, 6, 12} vector Divisor(long long N) { vector v; for (long long i = 1; i * i <= N; i++) { if (N % i == 0) { v.push_back(i); if (i * i != N) v.push_back(N / i); } } return v; } // Factorization // ex) 18 -> { (2,1) , (3,2) } vector > PrimeFactors(long long N) { vector > ret; for (long long p = 2; p * p <= N; p++) if (N % p == 0) { ret.emplace_back(p, 0); while (N % p == 0) N /= p, ret.back().second++; } if (N >= 2) ret.emplace_back(N, 1); return ret; } // Factorization with Prime Sieve // ex) 18 -> { (2,1) , (3,2) } vector > PrimeFactors(long long N, const vector &prime) { vector > ret; for (auto &p : prime) { if (p * p > N) break; if (N % p == 0) { ret.emplace_back(p, 0); while (N % p == 0) N /= p, ret.back().second++; } } if (N >= 2) ret.emplace_back(N, 1); return ret; } // modpow for mod < 2 ^ 31 long long modpow(long long a, long long n, long long mod) { a %= mod; long long ret = 1; while (n > 0) { if (n & 1) ret = ret * a % mod; a = a * a % mod; n >>= 1; } return ret % mod; }; // Check if r is Primitive Root bool isPrimitiveRoot(long long r, long long mod) { r %= mod; if (r == 0) return false; auto pf = PrimeFactors(mod - 1); for (auto &x : pf) { if (modpow(r, (mod - 1) / x.first, mod) == 1) return false; } return true; } // Get Primitive Root long long PrimitiveRoot(long long mod) { if(mod == 2) return 1; long long ret = 1; while (isPrimitiveRoot(ret, mod) == false) ret++; return ret; } // Euler's phi function long long phi(long long n) { auto pf = PrimeFactors(n); long long ret = n; for (auto p : pf) { ret /= p.first; ret *= (p.first - 1); } return ret; } // Extended Euclidean algorithm // solve : ax + by = gcd(a, b) // return : pair(x, y) pair extgcd(long long a, long long b) { if (b == 0) return make_pair(1, 0); long long x, y; tie(y, x) = extgcd(b, a % b); y -= a / b * x; return make_pair(x, y); } // Check if n is Square Number // true : return d s.t. d * d == n // false : return -1 long long SqrtInt(long long n) { if (n == 0 || n == 1) return n; long long d = (long long)sqrt(n) - 1; while (d * d < n) ++d; return (d * d == n) ? d : -1; } // return a number of n's digit // zero ... return value if n = 0 (default -> 1) int isDigit(long long n, int zero = 1) { if (n == 0) return zero; int ret = 0; while (n) { n /= 10; ret++; } return ret; } void q() { inl(N, K, H, T); if (N < K) swap(N, K); if (N < H) swap(N, H); auto g = gcd(K, H); K /= g, H /= g; ll ans = 0; trc(K, H); rep(i, N + 1) { if (i * N > T) break; ll U = T - i * N; // K * x + H * y = U 数え上げ if (U % g != 0) continue; U /= g; auto [x, y] = extgcd(K, H); // K * x + H * y = 1 // 全体をU倍 x *= U, y *= U; // K * x + H * y = U if (x < 0) swap(K, H), swap(x, y); trc(i, x, K, y, H, U); // yが負 非負にしたい! if (y < 0) { ll quo = -y / K + !!(y % K); y += quo * K; x -= quo * H; } if (y >= K) { ll quo = y / K; y -= quo * K; x += quo * H; } trc(i, x, K, y, H, U); if (x >= 0) ans += 1 + x / H; trc(ans); } out(ans); } void Nyaan::solve() { ini(T); rep(i, T) q(); }